snapraid/cov/cmdline/unix.c.gcov.html
Andrea Mazzoleni a53ac4a175 Auto update
2026-03-15 18:52:43 +01:00

2519 lines
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<title>LCOV - lcov.info - cmdline/unix.c</title>
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<tr><td class="title">LCOV - code coverage report</td></tr>
<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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<td width="10%" class="headerItem">Current view:</td>
<td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">cmdline</a> - unix.c<span style="font-size: 80%;"> (source / <a href="unix.c.func-sort-c.html">functions</a>)</span></td>
<td width="5%"></td>
<td width="15%"></td>
<td width="10%" class="headerCovTableHead">Hit</td>
<td width="10%" class="headerCovTableHead">Total</td>
<td width="15%" class="headerCovTableHead">Coverage</td>
</tr>
<tr>
<td class="headerItem">Test:</td>
<td class="headerValue">lcov.info</td>
<td></td>
<td class="headerItem">Lines:</td>
<td class="headerCovTableEntry">488</td>
<td class="headerCovTableEntry">646</td>
<td class="headerCovTableEntryMed">75.5 %</td>
</tr>
<tr>
<td class="headerItem">Date:</td>
<td class="headerValue">2026-03-15 15:58:19</td>
<td></td>
<td class="headerItem">Functions:</td>
<td class="headerCovTableEntry">35</td>
<td class="headerCovTableEntry">41</td>
<td class="headerCovTableEntryMed">85.4 %</td>
</tr>
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<pre class="sourceHeading"> Line data Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum"> 1 </span> : /*</a>
<a name="2"><span class="lineNum"> 2 </span> : * Copyright (C) 2013 Andrea Mazzoleni</a>
<a name="3"><span class="lineNum"> 3 </span> : *</a>
<a name="4"><span class="lineNum"> 4 </span> : * This program is free software: you can redistribute it and/or modify</a>
<a name="5"><span class="lineNum"> 5 </span> : * it under the terms of the GNU General Public License as published by</a>
<a name="6"><span class="lineNum"> 6 </span> : * the Free Software Foundation, either version 3 of the License, or</a>
<a name="7"><span class="lineNum"> 7 </span> : * (at your option) any later version.</a>
<a name="8"><span class="lineNum"> 8 </span> : *</a>
<a name="9"><span class="lineNum"> 9 </span> : * This program is distributed in the hope that it will be useful,</a>
<a name="10"><span class="lineNum"> 10 </span> : * but WITHOUT ANY WARRANTY; without even the implied warranty of</a>
<a name="11"><span class="lineNum"> 11 </span> : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</a>
<a name="12"><span class="lineNum"> 12 </span> : * GNU General Public License for more details.</a>
<a name="13"><span class="lineNum"> 13 </span> : *</a>
<a name="14"><span class="lineNum"> 14 </span> : * You should have received a copy of the GNU General Public License</a>
<a name="15"><span class="lineNum"> 15 </span> : * along with this program. If not, see &lt;http://www.gnu.org/licenses/&gt;.</a>
<a name="16"><span class="lineNum"> 16 </span> : */</a>
<a name="17"><span class="lineNum"> 17 </span> : </a>
<a name="18"><span class="lineNum"> 18 </span> : #include &quot;portable.h&quot;</a>
<a name="19"><span class="lineNum"> 19 </span> : </a>
<a name="20"><span class="lineNum"> 20 </span> : #ifndef __MINGW32__ /* Only for Unix */</a>
<a name="21"><span class="lineNum"> 21 </span> : </a>
<a name="22"><span class="lineNum"> 22 </span> : #include &quot;support.h&quot;</a>
<a name="23"><span class="lineNum"> 23 </span> : </a>
<a name="24"><span class="lineNum"> 24 </span> : /**</a>
<a name="25"><span class="lineNum"> 25 </span> : * Exit codes.</a>
<a name="26"><span class="lineNum"> 26 </span> : */</a>
<a name="27"><span class="lineNum"> 27 </span> : int exit_success = 0;</a>
<a name="28"><span class="lineNum"> 28 </span> : int exit_failure = 1;</a>
<a name="29"><span class="lineNum"> 29 </span> : int exit_sync_needed = 2;</a>
<a name="30"><span class="lineNum"> 30 </span> : </a>
<a name="31"><span class="lineNum"> 31 </span><span class="lineCov"> 1785762 : int open_noatime(const char* file, int flags)</span></a>
<a name="32"><span class="lineNum"> 32 </span> : {</a>
<a name="33"><span class="lineNum"> 33 </span> : #ifdef O_NOATIME</a>
<a name="34"><span class="lineNum"> 34 </span><span class="lineCov"> 1785762 : int f = open(file, flags | O_NOATIME);</span></a>
<a name="35"><span class="lineNum"> 35 </span> : </a>
<a name="36"><span class="lineNum"> 36 </span> : /* only root is allowed to use O_NOATIME, in case retry without it */</a>
<a name="37"><span class="lineNum"> 37 </span><span class="lineCov"> 1785762 : if (f == -1 &amp;&amp; errno == EPERM)</span></a>
<a name="38"><span class="lineNum"> 38 </span><span class="lineNoCov"> 0 : f = open(file, flags);</span></a>
<a name="39"><span class="lineNum"> 39 </span><span class="lineCov"> 1785762 : return f;</span></a>
<a name="40"><span class="lineNum"> 40 </span> : #else</a>
<a name="41"><span class="lineNum"> 41 </span> : return open(file, flags);</a>
<a name="42"><span class="lineNum"> 42 </span> : #endif</a>
<a name="43"><span class="lineNum"> 43 </span> : }</a>
<a name="44"><span class="lineNum"> 44 </span> : </a>
<a name="45"><span class="lineNum"> 45 </span><span class="lineNoCov"> 0 : int dirent_hidden(struct dirent* dd)</span></a>
<a name="46"><span class="lineNum"> 46 </span> : {</a>
<a name="47"><span class="lineNum"> 47 </span><span class="lineNoCov"> 0 : return dd-&gt;d_name[0] == '.';</span></a>
<a name="48"><span class="lineNum"> 48 </span> : }</a>
<a name="49"><span class="lineNum"> 49 </span> : </a>
<a name="50"><span class="lineNum"> 50 </span><span class="lineNoCov"> 0 : const char* stat_desc(struct stat* st)</span></a>
<a name="51"><span class="lineNum"> 51 </span> : {</a>
<a name="52"><span class="lineNum"> 52 </span><span class="lineNoCov"> 0 : if (S_ISREG(st-&gt;st_mode))</span></a>
<a name="53"><span class="lineNum"> 53 </span><span class="lineNoCov"> 0 : return &quot;regular&quot;;</span></a>
<a name="54"><span class="lineNum"> 54 </span><span class="lineNoCov"> 0 : if (S_ISDIR(st-&gt;st_mode))</span></a>
<a name="55"><span class="lineNum"> 55 </span><span class="lineNoCov"> 0 : return &quot;directory&quot;;</span></a>
<a name="56"><span class="lineNum"> 56 </span><span class="lineNoCov"> 0 : if (S_ISCHR(st-&gt;st_mode))</span></a>
<a name="57"><span class="lineNum"> 57 </span><span class="lineNoCov"> 0 : return &quot;character&quot;;</span></a>
<a name="58"><span class="lineNum"> 58 </span><span class="lineNoCov"> 0 : if (S_ISBLK(st-&gt;st_mode))</span></a>
<a name="59"><span class="lineNum"> 59 </span><span class="lineNoCov"> 0 : return &quot;block-device&quot;;</span></a>
<a name="60"><span class="lineNum"> 60 </span><span class="lineNoCov"> 0 : if (S_ISFIFO(st-&gt;st_mode))</span></a>
<a name="61"><span class="lineNum"> 61 </span><span class="lineNoCov"> 0 : return &quot;fifo&quot;;</span></a>
<a name="62"><span class="lineNum"> 62 </span><span class="lineNoCov"> 0 : if (S_ISLNK(st-&gt;st_mode))</span></a>
<a name="63"><span class="lineNum"> 63 </span><span class="lineNoCov"> 0 : return &quot;link&quot;;</span></a>
<a name="64"><span class="lineNum"> 64 </span><span class="lineNoCov"> 0 : if (S_ISLNK(st-&gt;st_mode))</span></a>
<a name="65"><span class="lineNum"> 65 </span><span class="lineNoCov"> 0 : return &quot;symbolic-link&quot;;</span></a>
<a name="66"><span class="lineNum"> 66 </span><span class="lineNoCov"> 0 : if (S_ISSOCK(st-&gt;st_mode))</span></a>
<a name="67"><span class="lineNum"> 67 </span><span class="lineNoCov"> 0 : return &quot;socket&quot;;</span></a>
<a name="68"><span class="lineNum"> 68 </span><span class="lineNoCov"> 0 : return &quot;unknown&quot;;</span></a>
<a name="69"><span class="lineNum"> 69 </span> : }</a>
<a name="70"><span class="lineNum"> 70 </span> : </a>
<a name="71"><span class="lineNum"> 71 </span> : static const char* smartctl_paths[] = {</a>
<a name="72"><span class="lineNum"> 72 </span> : /* Linux &amp; BSD */</a>
<a name="73"><span class="lineNum"> 73 </span> : &quot;/usr/sbin/smartctl&quot;,</a>
<a name="74"><span class="lineNum"> 74 </span> : &quot;/sbin/smartctl&quot;,</a>
<a name="75"><span class="lineNum"> 75 </span> : &quot;/usr/local/sbin/smartctl&quot;,</a>
<a name="76"><span class="lineNum"> 76 </span> : &quot;/usr/bin/smartctl&quot;,</a>
<a name="77"><span class="lineNum"> 77 </span> : &quot;/usr/local/bin/smartctl&quot;,</a>
<a name="78"><span class="lineNum"> 78 </span> : /* macOS (Intel &amp; Apple Silicon) */</a>
<a name="79"><span class="lineNum"> 79 </span> : &quot;/opt/homebrew/sbin/smartctl&quot;,</a>
<a name="80"><span class="lineNum"> 80 </span> : 0</a>
<a name="81"><span class="lineNum"> 81 </span> : };</a>
<a name="82"><span class="lineNum"> 82 </span> : </a>
<a name="83"><span class="lineNum"> 83 </span><span class="lineCov"> 71 : const char* find_smartctl(void)</span></a>
<a name="84"><span class="lineNum"> 84 </span> : {</a>
<a name="85"><span class="lineNum"> 85 </span> : int i;</a>
<a name="86"><span class="lineNum"> 86 </span> : </a>
<a name="87"><span class="lineNum"> 87 </span><span class="lineCov"> 71 : for (i = 0; smartctl_paths[i]; ++i) {</span></a>
<a name="88"><span class="lineNum"> 88 </span><span class="lineCov"> 71 : if (access(smartctl_paths[i], X_OK) == 0)</span></a>
<a name="89"><span class="lineNum"> 89 </span><span class="lineCov"> 71 : return smartctl_paths[i];</span></a>
<a name="90"><span class="lineNum"> 90 </span> : }</a>
<a name="91"><span class="lineNum"> 91 </span> : </a>
<a name="92"><span class="lineNum"> 92 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="93"><span class="lineNum"> 93 </span> : }</a>
<a name="94"><span class="lineNum"> 94 </span> : </a>
<a name="95"><span class="lineNum"> 95 </span> : /**</a>
<a name="96"><span class="lineNum"> 96 </span> : * Read a file from sys</a>
<a name="97"><span class="lineNum"> 97 </span> : *</a>
<a name="98"><span class="lineNum"> 98 </span> : * Return -1 on error, otherwise the size of data read</a>
<a name="99"><span class="lineNum"> 99 </span> : */</a>
<a name="100"><span class="lineNum"> 100 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="101"><span class="lineNum"> 101 </span><span class="lineCov"> 704 : static int sysread(const char* path, char* buf, size_t buf_size)</span></a>
<a name="102"><span class="lineNum"> 102 </span> : {</a>
<a name="103"><span class="lineNum"> 103 </span> : int f;</a>
<a name="104"><span class="lineNum"> 104 </span> : int ret;</a>
<a name="105"><span class="lineNum"> 105 </span> : int len;</a>
<a name="106"><span class="lineNum"> 106 </span> : </a>
<a name="107"><span class="lineNum"> 107 </span><span class="lineCov"> 704 : f = open(path, O_RDONLY);</span></a>
<a name="108"><span class="lineNum"> 108 </span><span class="lineCov"> 704 : if (f == -1) {</span></a>
<a name="109"><span class="lineNum"> 109 </span> : /* LCOV_EXCL_START */</a>
<a name="110"><span class="lineNum"> 110 </span> : return -1;</a>
<a name="111"><span class="lineNum"> 111 </span> : /* LCOV_EXCL_STOP */</a>
<a name="112"><span class="lineNum"> 112 </span> : }</a>
<a name="113"><span class="lineNum"> 113 </span> : </a>
<a name="114"><span class="lineNum"> 114 </span><span class="lineCov"> 650 : len = read(f, buf, buf_size);</span></a>
<a name="115"><span class="lineNum"> 115 </span><span class="lineCov"> 650 : if (len &lt; 0) {</span></a>
<a name="116"><span class="lineNum"> 116 </span> : /* LCOV_EXCL_START */</a>
<a name="117"><span class="lineNum"> 117 </span> : close(f);</a>
<a name="118"><span class="lineNum"> 118 </span> : return -1;</a>
<a name="119"><span class="lineNum"> 119 </span> : /* LCOV_EXCL_STOP */</a>
<a name="120"><span class="lineNum"> 120 </span> : }</a>
<a name="121"><span class="lineNum"> 121 </span> : </a>
<a name="122"><span class="lineNum"> 122 </span><span class="lineCov"> 650 : ret = close(f);</span></a>
<a name="123"><span class="lineNum"> 123 </span><span class="lineCov"> 650 : if (ret != 0) {</span></a>
<a name="124"><span class="lineNum"> 124 </span> : /* LCOV_EXCL_START */</a>
<a name="125"><span class="lineNum"> 125 </span> : return -1;</a>
<a name="126"><span class="lineNum"> 126 </span> : /* LCOV_EXCL_STOP */</a>
<a name="127"><span class="lineNum"> 127 </span> : }</a>
<a name="128"><span class="lineNum"> 128 </span> : </a>
<a name="129"><span class="lineNum"> 129 </span><span class="lineCov"> 650 : return len;</span></a>
<a name="130"><span class="lineNum"> 130 </span> : }</a>
<a name="131"><span class="lineNum"> 131 </span> : #endif</a>
<a name="132"><span class="lineNum"> 132 </span> : </a>
<a name="133"><span class="lineNum"> 133 </span> : /**</a>
<a name="134"><span class="lineNum"> 134 </span> : * Read a file from sys.</a>
<a name="135"><span class="lineNum"> 135 </span> : * Trim spaces.</a>
<a name="136"><span class="lineNum"> 136 </span> : * Always put an ending 0.</a>
<a name="137"><span class="lineNum"> 137 </span> : * Do not report error on reading.</a>
<a name="138"><span class="lineNum"> 138 </span> : * Return an error if truncated</a>
<a name="139"><span class="lineNum"> 139 </span> : *</a>
<a name="140"><span class="lineNum"> 140 </span> : * Return -1 on error, 0 on success</a>
<a name="141"><span class="lineNum"> 141 </span> : */</a>
<a name="142"><span class="lineNum"> 142 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="143"><span class="lineNum"> 143 </span><span class="lineCov"> 102 : static int sysattr(const char* path, char* buf, size_t buf_size)</span></a>
<a name="144"><span class="lineNum"> 144 </span> : {</a>
<a name="145"><span class="lineNum"> 145 </span> : int len;</a>
<a name="146"><span class="lineNum"> 146 </span> : </a>
<a name="147"><span class="lineNum"> 147 </span><span class="lineCov"> 102 : len = sysread(path, buf, buf_size);</span></a>
<a name="148"><span class="lineNum"> 148 </span><span class="lineCov"> 102 : if (len &lt; 0) {</span></a>
<a name="149"><span class="lineNum"> 149 </span> : /* LCOV_EXCL_START */</a>
<a name="150"><span class="lineNum"> 150 </span> : return -1;</a>
<a name="151"><span class="lineNum"> 151 </span> : /* LCOV_EXCL_STOP */</a>
<a name="152"><span class="lineNum"> 152 </span> : }</a>
<a name="153"><span class="lineNum"> 153 </span> : </a>
<a name="154"><span class="lineNum"> 154 </span><span class="lineCov"> 48 : if ((size_t)len + 1 &gt; buf_size) {</span></a>
<a name="155"><span class="lineNum"> 155 </span> : /* LCOV_EXCL_START */</a>
<a name="156"><span class="lineNum"> 156 </span> : return -1;</a>
<a name="157"><span class="lineNum"> 157 </span> : /* LCOV_EXCL_STOP */</a>
<a name="158"><span class="lineNum"> 158 </span> : }</a>
<a name="159"><span class="lineNum"> 159 </span> : </a>
<a name="160"><span class="lineNum"> 160 </span><span class="lineCov"> 48 : buf[len] = 0;</span></a>
<a name="161"><span class="lineNum"> 161 </span> : </a>
<a name="162"><span class="lineNum"> 162 </span><span class="lineCov"> 48 : strtrim(buf);</span></a>
<a name="163"><span class="lineNum"> 163 </span> : </a>
<a name="164"><span class="lineNum"> 164 </span><span class="lineCov"> 48 : return 0;</span></a>
<a name="165"><span class="lineNum"> 165 </span> : }</a>
<a name="166"><span class="lineNum"> 166 </span> : #endif</a>
<a name="167"><span class="lineNum"> 167 </span> : </a>
<a name="168"><span class="lineNum"> 168 </span> : /**</a>
<a name="169"><span class="lineNum"> 169 </span> : * Get the device file from the device number.</a>
<a name="170"><span class="lineNum"> 170 </span> : *</a>
<a name="171"><span class="lineNum"> 171 </span> : * It uses /proc/self/mountinfo.</a>
<a name="172"><span class="lineNum"> 172 </span> : *</a>
<a name="173"><span class="lineNum"> 173 </span> : * Null devices (major==0) are resolved to the device indicated in mountinfo.</a>
<a name="174"><span class="lineNum"> 174 </span> : */</a>
<a name="175"><span class="lineNum"> 175 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="176"><span class="lineNum"> 176 </span><span class="lineCov"> 4 : static int devresolve_proc(uint64_t device, char* path, size_t path_size)</span></a>
<a name="177"><span class="lineNum"> 177 </span> : {</a>
<a name="178"><span class="lineNum"> 178 </span> : FILE* f;</a>
<a name="179"><span class="lineNum"> 179 </span> : char match[32];</a>
<a name="180"><span class="lineNum"> 180 </span> : </a>
<a name="181"><span class="lineNum"> 181 </span> : /* generate the matching string */</a>
<a name="182"><span class="lineNum"> 182 </span><span class="lineCov"> 4 : snprintf(match, sizeof(match), &quot;%u:%u&quot;, major(device), minor(device));</span></a>
<a name="183"><span class="lineNum"> 183 </span> : </a>
<a name="184"><span class="lineNum"> 184 </span><span class="lineCov"> 4 : f = fopen(&quot;/proc/self/mountinfo&quot;, &quot;r&quot;);</span></a>
<a name="185"><span class="lineNum"> 185 </span><span class="lineCov"> 4 : if (!f) {</span></a>
<a name="186"><span class="lineNum"> 186 </span><span class="lineNoCov"> 0 : log_tag(&quot;resolve:proc:%u:%u: failed to open /proc/self/mountinfo\n&quot;, major(device), minor(device));</span></a>
<a name="187"><span class="lineNum"> 187 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="188"><span class="lineNum"> 188 </span> : }</a>
<a name="189"><span class="lineNum"> 189 </span> : </a>
<a name="190"><span class="lineNum"> 190 </span> : /*</a>
<a name="191"><span class="lineNum"> 191 </span> : * mountinfo format</a>
<a name="192"><span class="lineNum"> 192 </span> : * 0 - mount ID</a>
<a name="193"><span class="lineNum"> 193 </span> : * 1 - parent ID</a>
<a name="194"><span class="lineNum"> 194 </span> : * 2 - major:minor</a>
<a name="195"><span class="lineNum"> 195 </span> : * 3 - root</a>
<a name="196"><span class="lineNum"> 196 </span> : * 4 - mount point</a>
<a name="197"><span class="lineNum"> 197 </span> : * 5 - options</a>
<a name="198"><span class="lineNum"> 198 </span> : * 6 - &quot;-&quot; (separator)</a>
<a name="199"><span class="lineNum"> 199 </span> : * 7 - fs</a>
<a name="200"><span class="lineNum"> 200 </span> : * 8 - mount source - /dev/device</a>
<a name="201"><span class="lineNum"> 201 </span> : */</a>
<a name="202"><span class="lineNum"> 202 </span> : </a>
<a name="203"><span class="lineNum"> 203 </span><span class="lineCov"> 192 : while (1) {</span></a>
<a name="204"><span class="lineNum"> 204 </span> : char buf[256];</a>
<a name="205"><span class="lineNum"> 205 </span> : char* first_map[8];</a>
<a name="206"><span class="lineNum"> 206 </span> : unsigned first_mac;</a>
<a name="207"><span class="lineNum"> 207 </span> : char* second_map[8];</a>
<a name="208"><span class="lineNum"> 208 </span> : unsigned second_mac;</a>
<a name="209"><span class="lineNum"> 209 </span> : char* s;</a>
<a name="210"><span class="lineNum"> 210 </span> : struct stat st;</a>
<a name="211"><span class="lineNum"> 211 </span> : char* separator;</a>
<a name="212"><span class="lineNum"> 212 </span> : char* majorminor;</a>
<a name="213"><span class="lineNum"> 213 </span> : char* mountpoint;</a>
<a name="214"><span class="lineNum"> 214 </span> : char* fs;</a>
<a name="215"><span class="lineNum"> 215 </span> : char* mountsource;</a>
<a name="216"><span class="lineNum"> 216 </span> : </a>
<a name="217"><span class="lineNum"> 217 </span><span class="lineCov"> 196 : s = fgets(buf, sizeof(buf), f);</span></a>
<a name="218"><span class="lineNum"> 218 </span><span class="lineCov"> 196 : if (s == 0)</span></a>
<a name="219"><span class="lineNum"> 219 </span><span class="lineCov"> 4 : break;</span></a>
<a name="220"><span class="lineNum"> 220 </span> : </a>
<a name="221"><span class="lineNum"> 221 </span> : /* find the separator position */</a>
<a name="222"><span class="lineNum"> 222 </span><span class="lineCov"> 192 : separator = strstr(s, &quot; - &quot;);</span></a>
<a name="223"><span class="lineNum"> 223 </span><span class="lineCov"> 192 : if (!separator)</span></a>
<a name="224"><span class="lineNum"> 224 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="225"><span class="lineNum"> 225 </span> : </a>
<a name="226"><span class="lineNum"> 226 </span> : /* skip the separator */</a>
<a name="227"><span class="lineNum"> 227 </span><span class="lineCov"> 192 : *separator = 0;</span></a>
<a name="228"><span class="lineNum"> 228 </span><span class="lineCov"> 192 : separator += 3;</span></a>
<a name="229"><span class="lineNum"> 229 </span> : </a>
<a name="230"><span class="lineNum"> 230 </span> : /* split the line */</a>
<a name="231"><span class="lineNum"> 231 </span><span class="lineCov"> 192 : first_mac = strsplit(first_map, 8, s, &quot; \t\r\n&quot;);</span></a>
<a name="232"><span class="lineNum"> 232 </span><span class="lineCov"> 192 : second_mac = strsplit(second_map, 8, separator, &quot; \t\r\n&quot;);</span></a>
<a name="233"><span class="lineNum"> 233 </span> : </a>
<a name="234"><span class="lineNum"> 234 </span> : /* if too short, it's the wrong line */</a>
<a name="235"><span class="lineNum"> 235 </span><span class="lineCov"> 192 : if (first_mac &lt; 5)</span></a>
<a name="236"><span class="lineNum"> 236 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="237"><span class="lineNum"> 237 </span><span class="lineCov"> 192 : if (second_mac &lt; 2)</span></a>
<a name="238"><span class="lineNum"> 238 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="239"><span class="lineNum"> 239 </span> : </a>
<a name="240"><span class="lineNum"> 240 </span><span class="lineCov"> 192 : majorminor = first_map[2];</span></a>
<a name="241"><span class="lineNum"> 241 </span><span class="lineCov"> 192 : mountpoint = first_map[4];</span></a>
<a name="242"><span class="lineNum"> 242 </span><span class="lineCov"> 192 : fs = second_map[0];</span></a>
<a name="243"><span class="lineNum"> 243 </span><span class="lineCov"> 192 : mountsource = second_map[1];</span></a>
<a name="244"><span class="lineNum"> 244 </span> : </a>
<a name="245"><span class="lineNum"> 245 </span> : /* compare major:minor from mountinfo */</a>
<a name="246"><span class="lineNum"> 246 </span><span class="lineCov"> 192 : if (strcmp(majorminor, match) == 0) {</span></a>
<a name="247"><span class="lineNum"> 247 </span> : /*</a>
<a name="248"><span class="lineNum"> 248 </span> : * Accept only /dev/... mountsource</a>
<a name="249"><span class="lineNum"> 249 </span> : *</a>
<a name="250"><span class="lineNum"> 250 </span> : * This excludes ZFS that uses a bare label for mountsource, like &quot;tank&quot;.</a>
<a name="251"><span class="lineNum"> 251 </span> : *</a>
<a name="252"><span class="lineNum"> 252 </span> : * 410 408 0:193 / /XXX rw,relatime shared:217 - zfs tank/system/data/var/lib/docker/XXX rw,xattr,noacl</a>
<a name="253"><span class="lineNum"> 253 </span> : *</a>
<a name="254"><span class="lineNum"> 254 </span> : * Also excludes AUTOFS unmounted devices that point to a fake filesystem</a>
<a name="255"><span class="lineNum"> 255 </span> : * used to remount them at the first use.</a>
<a name="256"><span class="lineNum"> 256 </span> : *</a>
<a name="257"><span class="lineNum"> 257 </span> : * 97 25 0:42 / /XXX rw,relatime shared:76 - autofs /etc/auto.seed rw,fd=6,pgrp=952,timeout=30,minproto=5,maxproto=5,indirect</a>
<a name="258"><span class="lineNum"> 258 </span> : */</a>
<a name="259"><span class="lineNum"> 259 </span><span class="lineNoCov"> 0 : if (strncmp(mountsource, &quot;/dev/&quot;, 5) != 0) {</span></a>
<a name="260"><span class="lineNum"> 260 </span><span class="lineNoCov"> 0 : log_tag(&quot;resolve:proc:%u:%u: match skipped for not /dev/ mountsource for %s %s\n&quot;, major(device), minor(device), fs, mountsource);</span></a>
<a name="261"><span class="lineNum"> 261 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="262"><span class="lineNum"> 262 </span> : }</a>
<a name="263"><span class="lineNum"> 263 </span> : </a>
<a name="264"><span class="lineNum"> 264 </span><span class="lineNoCov"> 0 : pathcpy(path, path_size, mountsource);</span></a>
<a name="265"><span class="lineNum"> 265 </span> : </a>
<a name="266"><span class="lineNum"> 266 </span><span class="lineNoCov"> 0 : log_tag(&quot;resolve:proc:%u:%u: found device %s matching device %s\n&quot;, major(device), minor(device), path, match);</span></a>
<a name="267"><span class="lineNum"> 267 </span> : </a>
<a name="268"><span class="lineNum"> 268 </span><span class="lineNoCov"> 0 : fclose(f);</span></a>
<a name="269"><span class="lineNum"> 269 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="270"><span class="lineNum"> 270 </span> : }</a>
<a name="271"><span class="lineNum"> 271 </span> : </a>
<a name="272"><span class="lineNum"> 272 </span> : /* get the device of the mount point */</a>
<a name="273"><span class="lineNum"> 273 </span> : /* in Btrfs it could be different than the one in mountinfo */</a>
<a name="274"><span class="lineNum"> 274 </span><span class="lineCov"> 192 : if (stat(mountpoint, &amp;st) == 0 &amp;&amp; st.st_dev == device) {</span></a>
<a name="275"><span class="lineNum"> 275 </span><span class="lineNoCov"> 0 : if (strncmp(mountsource, &quot;/dev/&quot;, 5) != 0) {</span></a>
<a name="276"><span class="lineNum"> 276 </span><span class="lineNoCov"> 0 : log_tag(&quot;resolve:proc:%u:%u: match skipped for not /dev/ mountsource for %s %s\n&quot;, major(device), minor(device), fs, mountsource);</span></a>
<a name="277"><span class="lineNum"> 277 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="278"><span class="lineNum"> 278 </span> : }</a>
<a name="279"><span class="lineNum"> 279 </span> : </a>
<a name="280"><span class="lineNum"> 280 </span><span class="lineNoCov"> 0 : pathcpy(path, path_size, mountsource);</span></a>
<a name="281"><span class="lineNum"> 281 </span> : </a>
<a name="282"><span class="lineNum"> 282 </span><span class="lineNoCov"> 0 : log_tag(&quot;resolve:proc:%u:%u: found device %s matching mountpoint %s\n&quot;, major(device), minor(device), path, mountpoint);</span></a>
<a name="283"><span class="lineNum"> 283 </span> : </a>
<a name="284"><span class="lineNum"> 284 </span><span class="lineNoCov"> 0 : fclose(f);</span></a>
<a name="285"><span class="lineNum"> 285 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="286"><span class="lineNum"> 286 </span> : }</a>
<a name="287"><span class="lineNum"> 287 </span> : }</a>
<a name="288"><span class="lineNum"> 288 </span> : </a>
<a name="289"><span class="lineNum"> 289 </span><span class="lineCov"> 4 : log_tag(&quot;resolve:proc:%u:%u: not found\n&quot;, major(device), minor(device));</span></a>
<a name="290"><span class="lineNum"> 290 </span> : </a>
<a name="291"><span class="lineNum"> 291 </span><span class="lineCov"> 4 : fclose(f);</span></a>
<a name="292"><span class="lineNum"> 292 </span><span class="lineCov"> 4 : return -1;</span></a>
<a name="293"><span class="lineNum"> 293 </span> : }</a>
<a name="294"><span class="lineNum"> 294 </span> : #endif</a>
<a name="295"><span class="lineNum"> 295 </span> : </a>
<a name="296"><span class="lineNum"> 296 </span> : /**</a>
<a name="297"><span class="lineNum"> 297 </span> : * Get the device of a virtual superblock.</a>
<a name="298"><span class="lineNum"> 298 </span> : *</a>
<a name="299"><span class="lineNum"> 299 </span> : * This is intended to resolve the case of Btrfs filesystems that</a>
<a name="300"><span class="lineNum"> 300 </span> : * create a virtual superblock (major==0) not backed by any low</a>
<a name="301"><span class="lineNum"> 301 </span> : * level device.</a>
<a name="302"><span class="lineNum"> 302 </span> : *</a>
<a name="303"><span class="lineNum"> 303 </span> : * See:</a>
<a name="304"><span class="lineNum"> 304 </span> : * Bug 711881 - too funny btrfs st_dev numbers</a>
<a name="305"><span class="lineNum"> 305 </span> : * https://bugzilla.redhat.com/show_bug.cgi?id=711881</a>
<a name="306"><span class="lineNum"> 306 </span> : */</a>
<a name="307"><span class="lineNum"> 307 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="308"><span class="lineNum"> 308 </span><span class="lineCov"> 4 : static int devdereference(uint64_t device, uint64_t* new_device)</span></a>
<a name="309"><span class="lineNum"> 309 </span> : {</a>
<a name="310"><span class="lineNum"> 310 </span> : char path[PATH_MAX];</a>
<a name="311"><span class="lineNum"> 311 </span> : struct stat st;</a>
<a name="312"><span class="lineNum"> 312 </span> : </a>
<a name="313"><span class="lineNum"> 313 </span> : /* use the proc interface to get the device containing the filesystem */</a>
<a name="314"><span class="lineNum"> 314 </span><span class="lineCov"> 4 : if (devresolve_proc(device, path, sizeof(path)) != 0) {</span></a>
<a name="315"><span class="lineNum"> 315 </span> : /* LCOV_EXCL_START */</a>
<a name="316"><span class="lineNum"> 316 </span> : return -1;</a>
<a name="317"><span class="lineNum"> 317 </span> : /* LCOV_EXCL_STOP */</a>
<a name="318"><span class="lineNum"> 318 </span> : }</a>
<a name="319"><span class="lineNum"> 319 </span> : </a>
<a name="320"><span class="lineNum"> 320 </span> : /* check the device */</a>
<a name="321"><span class="lineNum"> 321 </span><span class="lineNoCov"> 0 : if (stat(path, &amp;st) != 0) {</span></a>
<a name="322"><span class="lineNum"> 322 </span> : /* LCOV_EXCL_START */</a>
<a name="323"><span class="lineNum"> 323 </span> : log_tag(&quot;dereference:%u:%u: failed to stat %s\n&quot;, major(device), minor(device), path);</a>
<a name="324"><span class="lineNum"> 324 </span> : return -1;</a>
<a name="325"><span class="lineNum"> 325 </span> : /* LCOV_EXCL_STOP */</a>
<a name="326"><span class="lineNum"> 326 </span> : }</a>
<a name="327"><span class="lineNum"> 327 </span> : </a>
<a name="328"><span class="lineNum"> 328 </span><span class="lineNoCov"> 0 : if (major(st.st_rdev) == 0) {</span></a>
<a name="329"><span class="lineNum"> 329 </span> : /* LCOV_EXCL_START */</a>
<a name="330"><span class="lineNum"> 330 </span> : log_tag(&quot;dereference:%u:%u: still null device %s -&gt; %u:%u\n&quot;, major(device), minor(device), path, major(st.st_rdev), minor(st.st_rdev));</a>
<a name="331"><span class="lineNum"> 331 </span> : return -1;</a>
<a name="332"><span class="lineNum"> 332 </span> : /* LCOV_EXCL_STOP */</a>
<a name="333"><span class="lineNum"> 333 </span> : }</a>
<a name="334"><span class="lineNum"> 334 </span> : </a>
<a name="335"><span class="lineNum"> 335 </span><span class="lineNoCov"> 0 : *new_device = st.st_rdev;</span></a>
<a name="336"><span class="lineNum"> 336 </span><span class="lineNoCov"> 0 : log_tag(&quot;dereference:%u:%u: found %u:%u\n&quot;, major(device), minor(device), major(st.st_rdev), minor(st.st_rdev));</span></a>
<a name="337"><span class="lineNum"> 337 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="338"><span class="lineNum"> 338 </span> : }</a>
<a name="339"><span class="lineNum"> 339 </span> : #endif</a>
<a name="340"><span class="lineNum"> 340 </span> : </a>
<a name="341"><span class="lineNum"> 341 </span> : /**</a>
<a name="342"><span class="lineNum"> 342 </span> : * Read a file extracting the specified tag TAG=VALUE format.</a>
<a name="343"><span class="lineNum"> 343 </span> : * Return !=0 on error.</a>
<a name="344"><span class="lineNum"> 344 </span> : */</a>
<a name="345"><span class="lineNum"> 345 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="346"><span class="lineNum"> 346 </span><span class="lineCov"> 403 : static int tagread(const char* path, const char* tag, char* value, size_t value_size)</span></a>
<a name="347"><span class="lineNum"> 347 </span> : {</a>
<a name="348"><span class="lineNum"> 348 </span> : int ret;</a>
<a name="349"><span class="lineNum"> 349 </span> : char buf[512];</a>
<a name="350"><span class="lineNum"> 350 </span> : size_t tag_len;</a>
<a name="351"><span class="lineNum"> 351 </span> : char* i;</a>
<a name="352"><span class="lineNum"> 352 </span> : char* e;</a>
<a name="353"><span class="lineNum"> 353 </span> : </a>
<a name="354"><span class="lineNum"> 354 </span><span class="lineCov"> 403 : ret = sysread(path, buf, sizeof(buf));</span></a>
<a name="355"><span class="lineNum"> 355 </span><span class="lineCov"> 403 : if (ret &lt; 0) {</span></a>
<a name="356"><span class="lineNum"> 356 </span> : /* LCOV_EXCL_START */</a>
<a name="357"><span class="lineNum"> 357 </span> : log_fatal(errno, &quot;Failed to read '%s'.\n&quot;, path);</a>
<a name="358"><span class="lineNum"> 358 </span> : return -1;</a>
<a name="359"><span class="lineNum"> 359 </span> : /* LCOV_EXCL_STOP */</a>
<a name="360"><span class="lineNum"> 360 </span> : }</a>
<a name="361"><span class="lineNum"> 361 </span><span class="lineCov"> 403 : if ((size_t)ret + 1 &gt; sizeof(buf)) {</span></a>
<a name="362"><span class="lineNum"> 362 </span> : /* LCOV_EXCL_START */</a>
<a name="363"><span class="lineNum"> 363 </span> : log_fatal(EEXTERNAL, &quot;Too long read '%s'.\n&quot;, path);</a>
<a name="364"><span class="lineNum"> 364 </span> : return -1;</a>
<a name="365"><span class="lineNum"> 365 </span> : /* LCOV_EXCL_STOP */</a>
<a name="366"><span class="lineNum"> 366 </span> : }</a>
<a name="367"><span class="lineNum"> 367 </span> : </a>
<a name="368"><span class="lineNum"> 368 </span> : /* ending 0 */</a>
<a name="369"><span class="lineNum"> 369 </span><span class="lineCov"> 403 : buf[ret] = 0;</span></a>
<a name="370"><span class="lineNum"> 370 </span> : </a>
<a name="371"><span class="lineNum"> 371 </span><span class="lineCov"> 403 : tag_len = strlen(tag);</span></a>
<a name="372"><span class="lineNum"> 372 </span> : </a>
<a name="373"><span class="lineNum"> 373 </span><span class="lineCov"> 7087 : for (i = buf; *i; ++i) {</span></a>
<a name="374"><span class="lineNum"> 374 </span><span class="lineCov"> 7087 : char* p = i;</span></a>
<a name="375"><span class="lineNum"> 375 </span> : </a>
<a name="376"><span class="lineNum"> 376 </span> : /* start with a space */</a>
<a name="377"><span class="lineNum"> 377 </span><span class="lineCov"> 7087 : if (p != buf) {</span></a>
<a name="378"><span class="lineNum"> 378 </span><span class="lineCov"> 6684 : if (!isspace(*p))</span></a>
<a name="379"><span class="lineNum"> 379 </span><span class="lineCov"> 5878 : continue;</span></a>
<a name="380"><span class="lineNum"> 380 </span><span class="lineCov"> 806 : ++p;</span></a>
<a name="381"><span class="lineNum"> 381 </span> : }</a>
<a name="382"><span class="lineNum"> 382 </span> : </a>
<a name="383"><span class="lineNum"> 383 </span><span class="lineCov"> 1209 : if (strncmp(p, tag, tag_len) != 0)</span></a>
<a name="384"><span class="lineNum"> 384 </span><span class="lineCov"> 806 : continue;</span></a>
<a name="385"><span class="lineNum"> 385 </span><span class="lineCov"> 403 : p += tag_len;</span></a>
<a name="386"><span class="lineNum"> 386 </span> : </a>
<a name="387"><span class="lineNum"> 387 </span> : /* end with a = */</a>
<a name="388"><span class="lineNum"> 388 </span><span class="lineCov"> 403 : if (*p != '=')</span></a>
<a name="389"><span class="lineNum"> 389 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="390"><span class="lineNum"> 390 </span><span class="lineCov"> 403 : ++p;</span></a>
<a name="391"><span class="lineNum"> 391 </span> : </a>
<a name="392"><span class="lineNum"> 392 </span> : /* found */</a>
<a name="393"><span class="lineNum"> 393 </span><span class="lineCov"> 403 : i = p;</span></a>
<a name="394"><span class="lineNum"> 394 </span><span class="lineCov"> 403 : break;</span></a>
<a name="395"><span class="lineNum"> 395 </span> : }</a>
<a name="396"><span class="lineNum"> 396 </span><span class="lineCov"> 403 : if (!*i) {</span></a>
<a name="397"><span class="lineNum"> 397 </span> : /* LCOV_EXCL_START */</a>
<a name="398"><span class="lineNum"> 398 </span> : log_fatal(EEXTERNAL, &quot;Missing tag '%s' for '%s'.\n&quot;, tag, path);</a>
<a name="399"><span class="lineNum"> 399 </span> : return -1;</a>
<a name="400"><span class="lineNum"> 400 </span> : /* LCOV_EXCL_STOP */</a>
<a name="401"><span class="lineNum"> 401 </span> : }</a>
<a name="402"><span class="lineNum"> 402 </span> : </a>
<a name="403"><span class="lineNum"> 403 </span> : /* terminate at the first space */</a>
<a name="404"><span class="lineNum"> 404 </span><span class="lineCov"> 403 : e = i;</span></a>
<a name="405"><span class="lineNum"> 405 </span><span class="lineCov"> 1781 : while (*e != 0 &amp;&amp; !isspace(*e))</span></a>
<a name="406"><span class="lineNum"> 406 </span><span class="lineCov"> 1378 : ++e;</span></a>
<a name="407"><span class="lineNum"> 407 </span><span class="lineCov"> 403 : *e = 0;</span></a>
<a name="408"><span class="lineNum"> 408 </span> : </a>
<a name="409"><span class="lineNum"> 409 </span><span class="lineCov"> 403 : if (!*i) {</span></a>
<a name="410"><span class="lineNum"> 410 </span> : /* LCOV_EXCL_START */</a>
<a name="411"><span class="lineNum"> 411 </span> : log_fatal(EEXTERNAL, &quot;Empty tag '%s' for '%s'.\n&quot;, tag, path);</a>
<a name="412"><span class="lineNum"> 412 </span> : return -1;</a>
<a name="413"><span class="lineNum"> 413 </span> : /* LCOV_EXCL_STOP */</a>
<a name="414"><span class="lineNum"> 414 </span> : }</a>
<a name="415"><span class="lineNum"> 415 </span> : </a>
<a name="416"><span class="lineNum"> 416 </span><span class="lineCov"> 403 : pathprint(value, value_size, &quot;%s&quot;, i);</span></a>
<a name="417"><span class="lineNum"> 417 </span> : </a>
<a name="418"><span class="lineNum"> 418 </span><span class="lineCov"> 403 : return 0;</span></a>
<a name="419"><span class="lineNum"> 419 </span> : }</a>
<a name="420"><span class="lineNum"> 420 </span> : #endif</a>
<a name="421"><span class="lineNum"> 421 </span> : </a>
<a name="422"><span class="lineNum"> 422 </span> : /**</a>
<a name="423"><span class="lineNum"> 423 </span> : * Get the device file from the device number.</a>
<a name="424"><span class="lineNum"> 424 </span> : *</a>
<a name="425"><span class="lineNum"> 425 </span> : * It uses /sys/dev/block/.../uevent.</a>
<a name="426"><span class="lineNum"> 426 </span> : *</a>
<a name="427"><span class="lineNum"> 427 </span> : * For null device (major==0) it fails.</a>
<a name="428"><span class="lineNum"> 428 </span> : */</a>
<a name="429"><span class="lineNum"> 429 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="430"><span class="lineNum"> 430 </span><span class="lineCov"> 403 : static int devresolve_sys(dev_t device, char* path, size_t path_size)</span></a>
<a name="431"><span class="lineNum"> 431 </span> : {</a>
<a name="432"><span class="lineNum"> 432 </span> : struct stat st;</a>
<a name="433"><span class="lineNum"> 433 </span> : char buf[PATH_MAX];</a>
<a name="434"><span class="lineNum"> 434 </span> : </a>
<a name="435"><span class="lineNum"> 435 </span> : /* default device path from device number */</a>
<a name="436"><span class="lineNum"> 436 </span><span class="lineCov"> 403 : pathprint(path, path_size, &quot;/sys/dev/block/%u:%u/uevent&quot;, major(device), minor(device));</span></a>
<a name="437"><span class="lineNum"> 437 </span> : </a>
<a name="438"><span class="lineNum"> 438 </span><span class="lineCov"> 403 : if (tagread(path, &quot;DEVNAME&quot;, buf, sizeof(buf)) != 0) {</span></a>
<a name="439"><span class="lineNum"> 439 </span> : /* LCOV_EXCL_START */</a>
<a name="440"><span class="lineNum"> 440 </span> : log_tag(&quot;resolve:sys:%u:%u: failed to read DEVNAME tag '%s'\n&quot;, major(device), minor(device), path);</a>
<a name="441"><span class="lineNum"> 441 </span> : return -1;</a>
<a name="442"><span class="lineNum"> 442 </span> : /* LCOV_EXCL_STOP */</a>
<a name="443"><span class="lineNum"> 443 </span> : }</a>
<a name="444"><span class="lineNum"> 444 </span> : </a>
<a name="445"><span class="lineNum"> 445 </span> : /* set the real device path */</a>
<a name="446"><span class="lineNum"> 446 </span><span class="lineCov"> 403 : pathprint(path, path_size, &quot;/dev/%s&quot;, buf);</span></a>
<a name="447"><span class="lineNum"> 447 </span> : </a>
<a name="448"><span class="lineNum"> 448 </span> : /* check the device */</a>
<a name="449"><span class="lineNum"> 449 </span><span class="lineCov"> 403 : if (stat(path, &amp;st) != 0) {</span></a>
<a name="450"><span class="lineNum"> 450 </span> : /* LCOV_EXCL_START */</a>
<a name="451"><span class="lineNum"> 451 </span> : log_tag(&quot;resolve:sys:%u:%u: failed to stat '%s'\n&quot;, major(device), minor(device), path);</a>
<a name="452"><span class="lineNum"> 452 </span> : return -1;</a>
<a name="453"><span class="lineNum"> 453 </span> : /* LCOV_EXCL_STOP */</a>
<a name="454"><span class="lineNum"> 454 </span> : }</a>
<a name="455"><span class="lineNum"> 455 </span><span class="lineCov"> 403 : if (st.st_rdev != device) {</span></a>
<a name="456"><span class="lineNum"> 456 </span> : /* LCOV_EXCL_START */</a>
<a name="457"><span class="lineNum"> 457 </span> : log_tag(&quot;resolve:sys:%u:%u: unexpected device '%u:%u' for '%s'.\n&quot;, major(device), minor(device), major(st.st_rdev), minor(st.st_rdev), path);</a>
<a name="458"><span class="lineNum"> 458 </span> : return -1;</a>
<a name="459"><span class="lineNum"> 459 </span> : /* LCOV_EXCL_STOP */</a>
<a name="460"><span class="lineNum"> 460 </span> : }</a>
<a name="461"><span class="lineNum"> 461 </span> : </a>
<a name="462"><span class="lineNum"> 462 </span><span class="lineCov"> 403 : log_tag(&quot;resolve:sys:%u:%u:%s: found\n&quot;, major(device), minor(device), path);</span></a>
<a name="463"><span class="lineNum"> 463 </span> : </a>
<a name="464"><span class="lineNum"> 464 </span><span class="lineCov"> 403 : return 0;</span></a>
<a name="465"><span class="lineNum"> 465 </span> : }</a>
<a name="466"><span class="lineNum"> 466 </span> : #endif</a>
<a name="467"><span class="lineNum"> 467 </span> : </a>
<a name="468"><span class="lineNum"> 468 </span> : /**</a>
<a name="469"><span class="lineNum"> 469 </span> : * Get the device file from the device number.</a>
<a name="470"><span class="lineNum"> 470 </span> : */</a>
<a name="471"><span class="lineNum"> 471 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="472"><span class="lineNum"> 472 </span><span class="lineCov"> 403 : static int devresolve(uint64_t device, char* path, size_t path_size)</span></a>
<a name="473"><span class="lineNum"> 473 </span> : {</a>
<a name="474"><span class="lineNum"> 474 </span><span class="lineCov"> 403 : if (devresolve_sys(device, path, path_size) == 0)</span></a>
<a name="475"><span class="lineNum"> 475 </span><span class="lineCov"> 403 : return 0;</span></a>
<a name="476"><span class="lineNum"> 476 </span> : </a>
<a name="477"><span class="lineNum"> 477 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="478"><span class="lineNum"> 478 </span> : }</a>
<a name="479"><span class="lineNum"> 479 </span> : #endif</a>
<a name="480"><span class="lineNum"> 480 </span> : </a>
<a name="481"><span class="lineNum"> 481 </span> : /**</a>
<a name="482"><span class="lineNum"> 482 </span> : * Cache used by blkid.</a>
<a name="483"><span class="lineNum"> 483 </span> : */</a>
<a name="484"><span class="lineNum"> 484 </span> : #if HAVE_BLKID</a>
<a name="485"><span class="lineNum"> 485 </span> : static blkid_cache cache = 0;</a>
<a name="486"><span class="lineNum"> 486 </span> : #endif</a>
<a name="487"><span class="lineNum"> 487 </span> : </a>
<a name="488"><span class="lineNum"> 488 </span> : /**</a>
<a name="489"><span class="lineNum"> 489 </span> : * Get the UUID using the /dev/disk/by-uuid/ links.</a>
<a name="490"><span class="lineNum"> 490 </span> : * It doesn't require root permission, and the uuid are always updated.</a>
<a name="491"><span class="lineNum"> 491 </span> : * It doesn't work with Btrfs file-systems that don't export the main UUID</a>
<a name="492"><span class="lineNum"> 492 </span> : * in /dev/disk/by-uuid/.</a>
<a name="493"><span class="lineNum"> 493 </span> : */</a>
<a name="494"><span class="lineNum"> 494 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="495"><span class="lineNum"> 495 </span><span class="lineCov"> 10908 : static int devuuid_dev(uint64_t device, char* uuid, size_t uuid_size)</span></a>
<a name="496"><span class="lineNum"> 496 </span> : {</a>
<a name="497"><span class="lineNum"> 497 </span> : int ret;</a>
<a name="498"><span class="lineNum"> 498 </span> : DIR* d;</a>
<a name="499"><span class="lineNum"> 499 </span> : struct dirent* dd;</a>
<a name="500"><span class="lineNum"> 500 </span> : struct stat st;</a>
<a name="501"><span class="lineNum"> 501 </span> : </a>
<a name="502"><span class="lineNum"> 502 </span> : /* scan the UUID directory searching for the device */</a>
<a name="503"><span class="lineNum"> 503 </span><span class="lineCov"> 10908 : d = opendir(&quot;/dev/disk/by-uuid&quot;);</span></a>
<a name="504"><span class="lineNum"> 504 </span><span class="lineCov"> 10908 : if (!d) {</span></a>
<a name="505"><span class="lineNum"> 505 </span><span class="lineNoCov"> 0 : log_tag(&quot;uuid:by-uuid:%u:%u: opendir(/dev/disk/by-uuid) failed, %s\n&quot;, major(device), minor(device), strerror(errno));</span></a>
<a name="506"><span class="lineNum"> 506 </span> : /* directory missing?, likely we are not in Linux */</a>
<a name="507"><span class="lineNum"> 507 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="508"><span class="lineNum"> 508 </span> : }</a>
<a name="509"><span class="lineNum"> 509 </span> : </a>
<a name="510"><span class="lineNum"> 510 </span><span class="lineCov"> 10908 : int dir_fd = dirfd(d);</span></a>
<a name="511"><span class="lineNum"> 511 </span><span class="lineCov"> 10908 : if (dir_fd == -1) {</span></a>
<a name="512"><span class="lineNum"> 512 </span><span class="lineNoCov"> 0 : log_tag(&quot;uuid:by-uuid:%u:%u: dirfd(/dev/disk/by-uuid) failed, %s\n&quot;, major(device), minor(device), strerror(errno));</span></a>
<a name="513"><span class="lineNum"> 513 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="514"><span class="lineNum"> 514 </span> : }</a>
<a name="515"><span class="lineNum"> 515 </span> : </a>
<a name="516"><span class="lineNum"> 516 </span><span class="lineCov"> 174036 : while ((dd = readdir(d)) != 0) {</span></a>
<a name="517"><span class="lineNum"> 517 </span> : /* skip &quot;.&quot; and &quot;..&quot; files, UUIDs never start with '.' */</a>
<a name="518"><span class="lineNum"> 518 </span><span class="lineCov"> 174036 : if (dd-&gt;d_name[0] == '.')</span></a>
<a name="519"><span class="lineNum"> 519 </span><span class="lineCov"> 21816 : continue;</span></a>
<a name="520"><span class="lineNum"> 520 </span> : </a>
<a name="521"><span class="lineNum"> 521 </span><span class="lineCov"> 152220 : ret = fstatat(dir_fd, dd-&gt;d_name, &amp;st, 0);</span></a>
<a name="522"><span class="lineNum"> 522 </span><span class="lineCov"> 152220 : if (ret != 0) {</span></a>
<a name="523"><span class="lineNum"> 523 </span><span class="lineNoCov"> 0 : log_tag(&quot;uuid:by-uuid:%u:%u: fstatat(%s) failed, %s\n&quot;, major(device), minor(device), dd-&gt;d_name, strerror(errno));</span></a>
<a name="524"><span class="lineNum"> 524 </span> : /* generic error, ignore and continue the search */</a>
<a name="525"><span class="lineNum"> 525 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="526"><span class="lineNum"> 526 </span> : }</a>
<a name="527"><span class="lineNum"> 527 </span> : </a>
<a name="528"><span class="lineNum"> 528 </span> : /* if it matches, we have the uuid */</a>
<a name="529"><span class="lineNum"> 529 </span><span class="lineCov"> 152220 : if (S_ISBLK(st.st_mode) &amp;&amp; st.st_rdev == (dev_t)device) {</span></a>
<a name="530"><span class="lineNum"> 530 </span> : char buf[PATH_MAX];</a>
<a name="531"><span class="lineNum"> 531 </span> : char path[PATH_MAX];</a>
<a name="532"><span class="lineNum"> 532 </span> : </a>
<a name="533"><span class="lineNum"> 533 </span> : /* resolve the link */</a>
<a name="534"><span class="lineNum"> 534 </span><span class="lineCov"> 10908 : pathprint(path, sizeof(path), &quot;/dev/disk/by-uuid/%s&quot;, dd-&gt;d_name);</span></a>
<a name="535"><span class="lineNum"> 535 </span><span class="lineCov"> 10908 : ret = readlink(path, buf, sizeof(buf));</span></a>
<a name="536"><span class="lineNum"> 536 </span><span class="lineCov"> 10908 : if (ret &lt; 0 || ret &gt;= PATH_MAX) {</span></a>
<a name="537"><span class="lineNum"> 537 </span><span class="lineNoCov"> 0 : log_tag(&quot;uuid:by-uuid:%u:%u: readlink(/dev/disk/by-uuid/%s) failed, %s\n&quot;, major(device), minor(device), dd-&gt;d_name, strerror(errno));</span></a>
<a name="538"><span class="lineNum"> 538 </span> : /* generic error, ignore and continue the search */</a>
<a name="539"><span class="lineNum"> 539 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="540"><span class="lineNum"> 540 </span> : }</a>
<a name="541"><span class="lineNum"> 541 </span><span class="lineCov"> 10908 : buf[ret] = 0;</span></a>
<a name="542"><span class="lineNum"> 542 </span> : </a>
<a name="543"><span class="lineNum"> 543 </span> : /* found */</a>
<a name="544"><span class="lineNum"> 544 </span><span class="lineCov"> 10908 : pathcpy(uuid, uuid_size, dd-&gt;d_name);</span></a>
<a name="545"><span class="lineNum"> 545 </span> : </a>
<a name="546"><span class="lineNum"> 546 </span><span class="lineCov"> 10908 : log_tag(&quot;uuid:by-uuid:%u:%u:%s: found %s\n&quot;, major(device), minor(device), uuid, buf);</span></a>
<a name="547"><span class="lineNum"> 547 </span> : </a>
<a name="548"><span class="lineNum"> 548 </span><span class="lineCov"> 10908 : closedir(d);</span></a>
<a name="549"><span class="lineNum"> 549 </span><span class="lineCov"> 10908 : return 0;</span></a>
<a name="550"><span class="lineNum"> 550 </span> : }</a>
<a name="551"><span class="lineNum"> 551 </span> : }</a>
<a name="552"><span class="lineNum"> 552 </span> : </a>
<a name="553"><span class="lineNum"> 553 </span><span class="lineNoCov"> 0 : log_tag(&quot;uuid:by-uuid:%u:%u: /dev/disk/by-uuid doesn't contain a matching block device\n&quot;, major(device), minor(device));</span></a>
<a name="554"><span class="lineNum"> 554 </span> : </a>
<a name="555"><span class="lineNum"> 555 </span> : /* not found */</a>
<a name="556"><span class="lineNum"> 556 </span><span class="lineNoCov"> 0 : closedir(d);</span></a>
<a name="557"><span class="lineNum"> 557 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="558"><span class="lineNum"> 558 </span> : }</a>
<a name="559"><span class="lineNum"> 559 </span> : #endif</a>
<a name="560"><span class="lineNum"> 560 </span> : </a>
<a name="561"><span class="lineNum"> 561 </span> : /**</a>
<a name="562"><span class="lineNum"> 562 </span> : * Get the UUID using libblkid.</a>
<a name="563"><span class="lineNum"> 563 </span> : * It uses a cache to work without root permission, resulting in UUID</a>
<a name="564"><span class="lineNum"> 564 </span> : * not necessarily recent.</a>
<a name="565"><span class="lineNum"> 565 </span> : * We could call blkid_probe_all() to refresh the UUID, but it would</a>
<a name="566"><span class="lineNum"> 566 </span> : * require root permission to read the superblocks, and resulting in</a>
<a name="567"><span class="lineNum"> 567 </span> : * all the disks spinning.</a>
<a name="568"><span class="lineNum"> 568 </span> : */</a>
<a name="569"><span class="lineNum"> 569 </span> : #if HAVE_BLKID</a>
<a name="570"><span class="lineNum"> 570 </span><span class="lineNoCov"> 0 : static int devuuid_blkid(uint64_t device, char* uuid, size_t uuid_size)</span></a>
<a name="571"><span class="lineNum"> 571 </span> : {</a>
<a name="572"><span class="lineNum"> 572 </span> : char* devname;</a>
<a name="573"><span class="lineNum"> 573 </span> : char* uuidname;</a>
<a name="574"><span class="lineNum"> 574 </span> : </a>
<a name="575"><span class="lineNum"> 575 </span><span class="lineNoCov"> 0 : devname = blkid_devno_to_devname(device);</span></a>
<a name="576"><span class="lineNum"> 576 </span><span class="lineNoCov"> 0 : if (!devname) {</span></a>
<a name="577"><span class="lineNum"> 577 </span><span class="lineNoCov"> 0 : log_tag(&quot;uuid:blkid:%u:%u: blkid_devno_to_devname() failed, %s\n&quot;, major(device), minor(device), strerror(errno));</span></a>
<a name="578"><span class="lineNum"> 578 </span> : /* device mapping failed */</a>
<a name="579"><span class="lineNum"> 579 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="580"><span class="lineNum"> 580 </span> : }</a>
<a name="581"><span class="lineNum"> 581 </span> : </a>
<a name="582"><span class="lineNum"> 582 </span><span class="lineNoCov"> 0 : uuidname = blkid_get_tag_value(cache, &quot;UUID&quot;, devname);</span></a>
<a name="583"><span class="lineNum"> 583 </span><span class="lineNoCov"> 0 : if (!uuidname) {</span></a>
<a name="584"><span class="lineNum"> 584 </span><span class="lineNoCov"> 0 : log_tag(&quot;uuid:blkid:%u:%u: blkid_get_tag_value(UUID,%s) failed, %s\n&quot;, major(device), minor(device), devname, strerror(errno));</span></a>
<a name="585"><span class="lineNum"> 585 </span> : /* uuid mapping failed */</a>
<a name="586"><span class="lineNum"> 586 </span><span class="lineNoCov"> 0 : free(devname);</span></a>
<a name="587"><span class="lineNum"> 587 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="588"><span class="lineNum"> 588 </span> : }</a>
<a name="589"><span class="lineNum"> 589 </span> : </a>
<a name="590"><span class="lineNum"> 590 </span><span class="lineNoCov"> 0 : pathcpy(uuid, uuid_size, uuidname);</span></a>
<a name="591"><span class="lineNum"> 591 </span> : </a>
<a name="592"><span class="lineNum"> 592 </span><span class="lineNoCov"> 0 : log_tag(&quot;uuid:blkid:%u:%u:%s: found %s\n&quot;, major(device), minor(device), uuid, devname);</span></a>
<a name="593"><span class="lineNum"> 593 </span> : </a>
<a name="594"><span class="lineNum"> 594 </span><span class="lineNoCov"> 0 : free(devname);</span></a>
<a name="595"><span class="lineNum"> 595 </span><span class="lineNoCov"> 0 : free(uuidname);</span></a>
<a name="596"><span class="lineNum"> 596 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="597"><span class="lineNum"> 597 </span> : }</a>
<a name="598"><span class="lineNum"> 598 </span> : #endif</a>
<a name="599"><span class="lineNum"> 599 </span> : </a>
<a name="600"><span class="lineNum"> 600 </span> : </a>
<a name="601"><span class="lineNum"> 601 </span> : /**</a>
<a name="602"><span class="lineNum"> 602 </span> : * Get the LABEL using libblkid.</a>
<a name="603"><span class="lineNum"> 603 </span> : * It uses a cache to work without root permission, resulting in LABEL</a>
<a name="604"><span class="lineNum"> 604 </span> : * not necessarily recent.</a>
<a name="605"><span class="lineNum"> 605 </span> : */</a>
<a name="606"><span class="lineNum"> 606 </span> : #if HAVE_BLKID</a>
<a name="607"><span class="lineNum"> 607 </span><span class="lineCov"> 5919 : static int devuuid_label(uint64_t device, char* label, size_t label_size)</span></a>
<a name="608"><span class="lineNum"> 608 </span> : {</a>
<a name="609"><span class="lineNum"> 609 </span> : char* devname;</a>
<a name="610"><span class="lineNum"> 610 </span> : char* labelname;</a>
<a name="611"><span class="lineNum"> 611 </span> : </a>
<a name="612"><span class="lineNum"> 612 </span><span class="lineCov"> 5919 : devname = blkid_devno_to_devname(device);</span></a>
<a name="613"><span class="lineNum"> 613 </span><span class="lineCov"> 5919 : if (!devname) {</span></a>
<a name="614"><span class="lineNum"> 614 </span><span class="lineNoCov"> 0 : log_tag(&quot;label:blkid:%u:%u: blkid_devno_to_devname() failed, %s\n&quot;, major(device), minor(device), strerror(errno));</span></a>
<a name="615"><span class="lineNum"> 615 </span> : /* device mapping failed */</a>
<a name="616"><span class="lineNum"> 616 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="617"><span class="lineNum"> 617 </span> : }</a>
<a name="618"><span class="lineNum"> 618 </span> : </a>
<a name="619"><span class="lineNum"> 619 </span><span class="lineCov"> 5919 : labelname = blkid_get_tag_value(cache, &quot;LABEL&quot;, devname);</span></a>
<a name="620"><span class="lineNum"> 620 </span><span class="lineCov"> 5919 : if (!labelname) {</span></a>
<a name="621"><span class="lineNum"> 621 </span><span class="lineNoCov"> 0 : log_tag(&quot;label:blkid:%u:%u: blkid_get_tag_value(LABEL,%s) failed, %s\n&quot;, major(device), minor(device), devname, strerror(errno));</span></a>
<a name="622"><span class="lineNum"> 622 </span><span class="lineNoCov"> 0 : free(devname);</span></a>
<a name="623"><span class="lineNum"> 623 </span> : /* label mapping failed */</a>
<a name="624"><span class="lineNum"> 624 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="625"><span class="lineNum"> 625 </span> : }</a>
<a name="626"><span class="lineNum"> 626 </span> : </a>
<a name="627"><span class="lineNum"> 627 </span><span class="lineCov"> 5919 : pathcpy(label, label_size, labelname);</span></a>
<a name="628"><span class="lineNum"> 628 </span> : </a>
<a name="629"><span class="lineNum"> 629 </span><span class="lineCov"> 5919 : log_tag(&quot;label:blkid:%u:%u:%s: found %s\n&quot;, major(device), minor(device), label, devname);</span></a>
<a name="630"><span class="lineNum"> 630 </span> : </a>
<a name="631"><span class="lineNum"> 631 </span><span class="lineCov"> 5919 : free(devname);</span></a>
<a name="632"><span class="lineNum"> 632 </span><span class="lineCov"> 5919 : free(labelname);</span></a>
<a name="633"><span class="lineNum"> 633 </span><span class="lineCov"> 5919 : return 0;</span></a>
<a name="634"><span class="lineNum"> 634 </span> : }</a>
<a name="635"><span class="lineNum"> 635 </span> : #endif</a>
<a name="636"><span class="lineNum"> 636 </span> : </a>
<a name="637"><span class="lineNum"> 637 </span> : </a>
<a name="638"><span class="lineNum"> 638 </span> : #ifdef __APPLE__</a>
<a name="639"><span class="lineNum"> 639 </span> : static int devuuid_darwin(const char* path, char* uuid, size_t uuid_size)</a>
<a name="640"><span class="lineNum"> 640 </span> : {</a>
<a name="641"><span class="lineNum"> 641 </span> : CFStringRef path_apple = 0;</a>
<a name="642"><span class="lineNum"> 642 </span> : DASessionRef session = 0;</a>
<a name="643"><span class="lineNum"> 643 </span> : CFURLRef path_appler = 0;</a>
<a name="644"><span class="lineNum"> 644 </span> : int result = -1;</a>
<a name="645"><span class="lineNum"> 645 </span> : </a>
<a name="646"><span class="lineNum"> 646 </span> : *uuid = 0;</a>
<a name="647"><span class="lineNum"> 647 </span> : </a>
<a name="648"><span class="lineNum"> 648 </span> : path_apple = CFStringCreateWithCString(kCFAllocatorDefault, path, kCFStringEncodingUTF8);</a>
<a name="649"><span class="lineNum"> 649 </span> : if (!path_apple)</a>
<a name="650"><span class="lineNum"> 650 </span> : goto bail;</a>
<a name="651"><span class="lineNum"> 651 </span> : </a>
<a name="652"><span class="lineNum"> 652 </span> : session = DASessionCreate(kCFAllocatorDefault);</a>
<a name="653"><span class="lineNum"> 653 </span> : if (!session)</a>
<a name="654"><span class="lineNum"> 654 </span> : goto bail;</a>
<a name="655"><span class="lineNum"> 655 </span> : </a>
<a name="656"><span class="lineNum"> 656 </span> : path_appler = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, path_apple, kCFURLPOSIXPathStyle, false);</a>
<a name="657"><span class="lineNum"> 657 </span> : if (!path_appler)</a>
<a name="658"><span class="lineNum"> 658 </span> : goto bail;</a>
<a name="659"><span class="lineNum"> 659 </span> : </a>
<a name="660"><span class="lineNum"> 660 </span> : /* find the mount point */</a>
<a name="661"><span class="lineNum"> 661 </span> : DADiskRef disk = NULL;</a>
<a name="662"><span class="lineNum"> 662 </span> : while (path_appler) {</a>
<a name="663"><span class="lineNum"> 663 </span> : disk = DADiskCreateFromVolumePath(kCFAllocatorDefault, session, path_appler);</a>
<a name="664"><span class="lineNum"> 664 </span> : if (disk)</a>
<a name="665"><span class="lineNum"> 665 </span> : break;</a>
<a name="666"><span class="lineNum"> 666 </span> : </a>
<a name="667"><span class="lineNum"> 667 </span> : CFURLRef parent = CFURLCreateCopyDeletingLastPathComponent(kCFAllocatorDefault, path_appler);</a>
<a name="668"><span class="lineNum"> 668 </span> : if (!parent)</a>
<a name="669"><span class="lineNum"> 669 </span> : break;</a>
<a name="670"><span class="lineNum"> 670 </span> : </a>
<a name="671"><span class="lineNum"> 671 </span> : /* check if we hit the root (parent == child) */</a>
<a name="672"><span class="lineNum"> 672 </span> : if (CFEqual(parent, path_appler)) {</a>
<a name="673"><span class="lineNum"> 673 </span> : CFRelease(parent);</a>
<a name="674"><span class="lineNum"> 674 </span> : break;</a>
<a name="675"><span class="lineNum"> 675 </span> : }</a>
<a name="676"><span class="lineNum"> 676 </span> : </a>
<a name="677"><span class="lineNum"> 677 </span> : CFRelease(path_appler);</a>
<a name="678"><span class="lineNum"> 678 </span> : path_appler = parent;</a>
<a name="679"><span class="lineNum"> 679 </span> : }</a>
<a name="680"><span class="lineNum"> 680 </span> : </a>
<a name="681"><span class="lineNum"> 681 </span> : /* safely extract the UUID */</a>
<a name="682"><span class="lineNum"> 682 </span> : if (disk) {</a>
<a name="683"><span class="lineNum"> 683 </span> : CFDictionaryRef description = DADiskCopyDescription(disk);</a>
<a name="684"><span class="lineNum"> 684 </span> : if (description) {</a>
<a name="685"><span class="lineNum"> 685 </span> : /* key might not exist for NTFS/ExFAT on some drivers */</a>
<a name="686"><span class="lineNum"> 686 </span> : const void* value = (CFUUIDRef)CFDictionaryGetValue(description, kDADiskDescriptionVolumeUUIDKey);</a>
<a name="687"><span class="lineNum"> 687 </span> : CFStringRef uuid_string = NULL;</a>
<a name="688"><span class="lineNum"> 688 </span> : </a>
<a name="689"><span class="lineNum"> 689 </span> : if (value) {</a>
<a name="690"><span class="lineNum"> 690 </span> : if (CFGetTypeID(value) == CFUUIDGetTypeID()) {</a>
<a name="691"><span class="lineNum"> 691 </span> : uuid_string = CFUUIDCreateString(kCFAllocatorDefault, (CFUUIDRef)value);</a>
<a name="692"><span class="lineNum"> 692 </span> : } else if (CFGetTypeID(value) == CFStringGetTypeID()) {</a>
<a name="693"><span class="lineNum"> 693 </span> : /* if it's already a string, retain it so we can release it later consistently */</a>
<a name="694"><span class="lineNum"> 694 </span> : uuid_string = (CFStringRef)CFRetain(value);</a>
<a name="695"><span class="lineNum"> 695 </span> : }</a>
<a name="696"><span class="lineNum"> 696 </span> : }</a>
<a name="697"><span class="lineNum"> 697 </span> : </a>
<a name="698"><span class="lineNum"> 698 </span> : if (uuid_string) {</a>
<a name="699"><span class="lineNum"> 699 </span> : if (CFStringGetCString(uuid_string, uuid, uuid_size, kCFStringEncodingUTF8)) {</a>
<a name="700"><span class="lineNum"> 700 </span> : result = 0; /* success */</a>
<a name="701"><span class="lineNum"> 701 </span> : }</a>
<a name="702"><span class="lineNum"> 702 </span> : CFRelease(uuid_string);</a>
<a name="703"><span class="lineNum"> 703 </span> : }</a>
<a name="704"><span class="lineNum"> 704 </span> : </a>
<a name="705"><span class="lineNum"> 705 </span> : CFRelease(description);</a>
<a name="706"><span class="lineNum"> 706 </span> : }</a>
<a name="707"><span class="lineNum"> 707 </span> : CFRelease(disk);</a>
<a name="708"><span class="lineNum"> 708 </span> : }</a>
<a name="709"><span class="lineNum"> 709 </span> : </a>
<a name="710"><span class="lineNum"> 710 </span> : bail:</a>
<a name="711"><span class="lineNum"> 711 </span> : /* clean up */</a>
<a name="712"><span class="lineNum"> 712 </span> : if (path_appler) CFRelease(path_appler);</a>
<a name="713"><span class="lineNum"> 713 </span> : if (session) CFRelease(session);</a>
<a name="714"><span class="lineNum"> 714 </span> : if (path_apple) CFRelease(path_apple);</a>
<a name="715"><span class="lineNum"> 715 </span> : </a>
<a name="716"><span class="lineNum"> 716 </span> : return result;</a>
<a name="717"><span class="lineNum"> 717 </span> : }</a>
<a name="718"><span class="lineNum"> 718 </span> : #endif</a>
<a name="719"><span class="lineNum"> 719 </span> : </a>
<a name="720"><span class="lineNum"> 720 </span><span class="lineCov"> 10912 : int devuuid(uint64_t device, const char* path, char* uuid, size_t uuid_size)</span></a>
<a name="721"><span class="lineNum"> 721 </span> : {</a>
<a name="722"><span class="lineNum"> 722 </span> : (void)path;</a>
<a name="723"><span class="lineNum"> 723 </span> : (void)device;</a>
<a name="724"><span class="lineNum"> 724 </span> : </a>
<a name="725"><span class="lineNum"> 725 </span> : #ifdef __APPLE__</a>
<a name="726"><span class="lineNum"> 726 </span> : if (devuuid_darwin(path, uuid, uuid_size) == 0)</a>
<a name="727"><span class="lineNum"> 727 </span> : return 0;</a>
<a name="728"><span class="lineNum"> 728 </span> : #endif</a>
<a name="729"><span class="lineNum"> 729 </span> : </a>
<a name="730"><span class="lineNum"> 730 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="731"><span class="lineNum"> 731 </span> : /* if the major is the null device */</a>
<a name="732"><span class="lineNum"> 732 </span><span class="lineCov"> 10912 : if (major(device) == 0) {</span></a>
<a name="733"><span class="lineNum"> 733 </span> : /* obtain the real device */</a>
<a name="734"><span class="lineNum"> 734 </span><span class="lineCov"> 4 : if (devdereference(device, &amp;device) != 0) {</span></a>
<a name="735"><span class="lineNum"> 735 </span> : /* LCOV_EXCL_START */</a>
<a name="736"><span class="lineNum"> 736 </span> : return -1;</a>
<a name="737"><span class="lineNum"> 737 </span> : /* LCOV_EXCL_STOP */</a>
<a name="738"><span class="lineNum"> 738 </span> : }</a>
<a name="739"><span class="lineNum"> 739 </span> : }</a>
<a name="740"><span class="lineNum"> 740 </span> : #endif</a>
<a name="741"><span class="lineNum"> 741 </span> : </a>
<a name="742"><span class="lineNum"> 742 </span> : /* first try with the /dev/disk/by-uuid version */</a>
<a name="743"><span class="lineNum"> 743 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="744"><span class="lineNum"> 744 </span><span class="lineCov"> 10908 : if (devuuid_dev(device, uuid, uuid_size) == 0)</span></a>
<a name="745"><span class="lineNum"> 745 </span><span class="lineCov"> 10908 : return 0;</span></a>
<a name="746"><span class="lineNum"> 746 </span> : #else</a>
<a name="747"><span class="lineNum"> 747 </span> : log_tag(&quot;uuid:by-uuid:%u:%u: by-uuid not supported\n&quot;, major(device), minor(device));</a>
<a name="748"><span class="lineNum"> 748 </span> : #endif</a>
<a name="749"><span class="lineNum"> 749 </span> : </a>
<a name="750"><span class="lineNum"> 750 </span> : /* fall back to blkid for other cases */</a>
<a name="751"><span class="lineNum"> 751 </span> : #if HAVE_BLKID</a>
<a name="752"><span class="lineNum"> 752 </span><span class="lineNoCov"> 0 : if (devuuid_blkid(device, uuid, uuid_size) == 0)</span></a>
<a name="753"><span class="lineNum"> 753 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="754"><span class="lineNum"> 754 </span> : #else</a>
<a name="755"><span class="lineNum"> 755 </span> : log_tag(&quot;uuid:blkid:%u:%u: blkid support not compiled in\n&quot;, major(device), minor(device));</a>
<a name="756"><span class="lineNum"> 756 </span> : #endif</a>
<a name="757"><span class="lineNum"> 757 </span> : </a>
<a name="758"><span class="lineNum"> 758 </span><span class="lineNoCov"> 0 : log_tag(&quot;uuid:notfound:%u:%u:\n&quot;, major(device), minor(device));</span></a>
<a name="759"><span class="lineNum"> 759 </span> : </a>
<a name="760"><span class="lineNum"> 760 </span> : /* not supported */</a>
<a name="761"><span class="lineNum"> 761 </span> : (void)uuid;</a>
<a name="762"><span class="lineNum"> 762 </span> : (void)uuid_size;</a>
<a name="763"><span class="lineNum"> 763 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="764"><span class="lineNum"> 764 </span> : }</a>
<a name="765"><span class="lineNum"> 765 </span> : </a>
<a name="766"><span class="lineNum"> 766 </span><span class="lineCov"> 11432 : int filephy(const char* path, uint64_t size, uint64_t* physical)</span></a>
<a name="767"><span class="lineNum"> 767 </span> : {</a>
<a name="768"><span class="lineNum"> 768 </span> : #if HAVE_LINUX_FIEMAP_H</a>
<a name="769"><span class="lineNum"> 769 </span> : /* In Linux get the real physical address of the file */</a>
<a name="770"><span class="lineNum"> 770 </span> : /* Note that FIEMAP doesn't require root permission */</a>
<a name="771"><span class="lineNum"> 771 </span> : int f;</a>
<a name="772"><span class="lineNum"> 772 </span> : struct fiemap* fiemap;</a>
<a name="773"><span class="lineNum"> 773 </span> : size_t fiemap_size;</a>
<a name="774"><span class="lineNum"> 774 </span> : unsigned int blknum;</a>
<a name="775"><span class="lineNum"> 775 </span> : </a>
<a name="776"><span class="lineNum"> 776 </span><span class="lineCov"> 11432 : f = open(path, O_RDONLY);</span></a>
<a name="777"><span class="lineNum"> 777 </span><span class="lineCov"> 11432 : if (f == -1) {</span></a>
<a name="778"><span class="lineNum"> 778 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="779"><span class="lineNum"> 779 </span> : }</a>
<a name="780"><span class="lineNum"> 780 </span> : </a>
<a name="781"><span class="lineNum"> 781 </span> : /* first try with FIEMAP */</a>
<a name="782"><span class="lineNum"> 782 </span> : /* if works for ext2, ext3, ext4, xfs, btrfs */</a>
<a name="783"><span class="lineNum"> 783 </span><span class="lineCov"> 11432 : fiemap_size = sizeof(struct fiemap) + sizeof(struct fiemap_extent);</span></a>
<a name="784"><span class="lineNum"> 784 </span><span class="lineCov"> 11432 : fiemap = malloc_nofail(fiemap_size);</span></a>
<a name="785"><span class="lineNum"> 785 </span><span class="lineCov"> 11432 : memset(fiemap, 0, fiemap_size);</span></a>
<a name="786"><span class="lineNum"> 786 </span><span class="lineCov"> 11432 : fiemap-&gt;fm_start = 0;</span></a>
<a name="787"><span class="lineNum"> 787 </span><span class="lineCov"> 11432 : fiemap-&gt;fm_length = ~0ULL;</span></a>
<a name="788"><span class="lineNum"> 788 </span><span class="lineCov"> 11432 : fiemap-&gt;fm_flags = FIEMAP_FLAG_SYNC; /* required to ensure that just created files report a valid address and not 0 */</span></a>
<a name="789"><span class="lineNum"> 789 </span><span class="lineCov"> 11432 : fiemap-&gt;fm_extent_count = 1; /* we are interested only at the first block */</span></a>
<a name="790"><span class="lineNum"> 790 </span> : </a>
<a name="791"><span class="lineNum"> 791 </span><span class="lineCov"> 11432 : if (ioctl(f, FS_IOC_FIEMAP, fiemap) != -1) {</span></a>
<a name="792"><span class="lineNum"> 792 </span><span class="lineCov"> 11432 : uint32_t flags = fiemap-&gt;fm_extents[0].fe_flags;</span></a>
<a name="793"><span class="lineNum"> 793 </span><span class="lineCov"> 11432 : uint64_t offset = fiemap-&gt;fm_extents[0].fe_physical;</span></a>
<a name="794"><span class="lineNum"> 794 </span> : </a>
<a name="795"><span class="lineNum"> 795 </span> : /* check some condition for validating the offset */</a>
<a name="796"><span class="lineNum"> 796 </span><span class="lineCov"> 11432 : if (flags &amp; FIEMAP_EXTENT_DATA_INLINE) {</span></a>
<a name="797"><span class="lineNum"> 797 </span> : /* if the data is inline, we don't have an offset to report */</a>
<a name="798"><span class="lineNum"> 798 </span><span class="lineNoCov"> 0 : *physical = FILEPHY_WITHOUT_OFFSET;</span></a>
<a name="799"><span class="lineNum"> 799 </span><span class="lineCov"> 11432 : } else if (flags &amp; FIEMAP_EXTENT_UNKNOWN) {</span></a>
<a name="800"><span class="lineNum"> 800 </span> : /* if the offset is unknown, we don't have an offset to report */</a>
<a name="801"><span class="lineNum"> 801 </span><span class="lineNoCov"> 0 : *physical = FILEPHY_WITHOUT_OFFSET;</span></a>
<a name="802"><span class="lineNum"> 802 </span><span class="lineCov"> 11432 : } else if (offset == 0) {</span></a>
<a name="803"><span class="lineNum"> 803 </span> : /* 0 is the general fallback for file-systems when */</a>
<a name="804"><span class="lineNum"> 804 </span> : /* they don't have an offset to report */</a>
<a name="805"><span class="lineNum"> 805 </span><span class="lineCov"> 14 : *physical = FILEPHY_WITHOUT_OFFSET;</span></a>
<a name="806"><span class="lineNum"> 806 </span> : } else {</a>
<a name="807"><span class="lineNum"> 807 </span> : /* finally report the real offset */</a>
<a name="808"><span class="lineNum"> 808 </span><span class="lineCov"> 11418 : *physical = offset + FILEPHY_REAL_OFFSET;</span></a>
<a name="809"><span class="lineNum"> 809 </span> : }</a>
<a name="810"><span class="lineNum"> 810 </span> : </a>
<a name="811"><span class="lineNum"> 811 </span><span class="lineCov"> 11432 : free(fiemap);</span></a>
<a name="812"><span class="lineNum"> 812 </span> : </a>
<a name="813"><span class="lineNum"> 813 </span><span class="lineCov"> 11432 : if (close(f) == -1)</span></a>
<a name="814"><span class="lineNum"> 814 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="815"><span class="lineNum"> 815 </span><span class="lineCov"> 11432 : return 0;</span></a>
<a name="816"><span class="lineNum"> 816 </span> : }</a>
<a name="817"><span class="lineNum"> 817 </span> : </a>
<a name="818"><span class="lineNum"> 818 </span><span class="lineNoCov"> 0 : free(fiemap);</span></a>
<a name="819"><span class="lineNum"> 819 </span> : </a>
<a name="820"><span class="lineNum"> 820 </span> : /* if the file is empty, FIBMAP doesn't work, and we don't even try to use it */</a>
<a name="821"><span class="lineNum"> 821 </span><span class="lineNoCov"> 0 : if (size == 0) {</span></a>
<a name="822"><span class="lineNum"> 822 </span><span class="lineNoCov"> 0 : *physical = FILEPHY_WITHOUT_OFFSET;</span></a>
<a name="823"><span class="lineNum"> 823 </span><span class="lineNoCov"> 0 : if (close(f) == -1)</span></a>
<a name="824"><span class="lineNum"> 824 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="825"><span class="lineNum"> 825 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="826"><span class="lineNum"> 826 </span> : }</a>
<a name="827"><span class="lineNum"> 827 </span> : </a>
<a name="828"><span class="lineNum"> 828 </span> : /* then try with FIBMAP */</a>
<a name="829"><span class="lineNum"> 829 </span> : /* it works for jfs, reiserfs, ntfs-3g */</a>
<a name="830"><span class="lineNum"> 830 </span> : /* in exfat it always returns 0, that it's anyway better than the fake inodes */</a>
<a name="831"><span class="lineNum"> 831 </span><span class="lineNoCov"> 0 : blknum = 0; /* first block */</span></a>
<a name="832"><span class="lineNum"> 832 </span><span class="lineNoCov"> 0 : if (ioctl(f, FIBMAP, &amp;blknum) != -1) {</span></a>
<a name="833"><span class="lineNum"> 833 </span><span class="lineNoCov"> 0 : *physical = blknum + FILEPHY_REAL_OFFSET;</span></a>
<a name="834"><span class="lineNum"> 834 </span><span class="lineNoCov"> 0 : if (close(f) == -1)</span></a>
<a name="835"><span class="lineNum"> 835 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="836"><span class="lineNum"> 836 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="837"><span class="lineNum"> 837 </span> : }</a>
<a name="838"><span class="lineNum"> 838 </span> : </a>
<a name="839"><span class="lineNum"> 839 </span> : /* otherwise don't use anything, and keep the directory traversal order */</a>
<a name="840"><span class="lineNum"> 840 </span> : /* at now this should happen only for vfat */</a>
<a name="841"><span class="lineNum"> 841 </span> : /* and it's surely better than using fake inodes */</a>
<a name="842"><span class="lineNum"> 842 </span><span class="lineNoCov"> 0 : *physical = FILEPHY_UNREPORTED_OFFSET;</span></a>
<a name="843"><span class="lineNum"> 843 </span><span class="lineNoCov"> 0 : if (close(f) == -1)</span></a>
<a name="844"><span class="lineNum"> 844 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="845"><span class="lineNum"> 845 </span> : #else</a>
<a name="846"><span class="lineNum"> 846 </span> : /* In a generic Unix use a dummy value for all the files */</a>
<a name="847"><span class="lineNum"> 847 </span> : /* We don't want to risk to use the inode without knowing */</a>
<a name="848"><span class="lineNum"> 848 </span> : /* if it really improves performance. */</a>
<a name="849"><span class="lineNum"> 849 </span> : /* In this way we keep them in the directory traversal order */</a>
<a name="850"><span class="lineNum"> 850 </span> : /* that at least keeps files in the same directory together. */</a>
<a name="851"><span class="lineNum"> 851 </span> : /* Note also that in newer file-system with snapshot, like ZFS, */</a>
<a name="852"><span class="lineNum"> 852 </span> : /* the inode doesn't represent even more the disk position, because files */</a>
<a name="853"><span class="lineNum"> 853 </span> : /* are not overwritten in place, but rewritten in another location */</a>
<a name="854"><span class="lineNum"> 854 </span> : /* of the disk. */</a>
<a name="855"><span class="lineNum"> 855 </span> : *physical = FILEPHY_UNREPORTED_OFFSET;</a>
<a name="856"><span class="lineNum"> 856 </span> : </a>
<a name="857"><span class="lineNum"> 857 </span> : (void)path; /* not used here */</a>
<a name="858"><span class="lineNum"> 858 </span> : (void)size;</a>
<a name="859"><span class="lineNum"> 859 </span> : #endif</a>
<a name="860"><span class="lineNum"> 860 </span> : </a>
<a name="861"><span class="lineNum"> 861 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="862"><span class="lineNum"> 862 </span> : }</a>
<a name="863"><span class="lineNum"> 863 </span> : </a>
<a name="864"><span class="lineNum"> 864 </span> : /* from man statfs */</a>
<a name="865"><span class="lineNum"> 865 </span> : #define ADFS_SUPER_MAGIC 0xadf5</a>
<a name="866"><span class="lineNum"> 866 </span> : #define AFFS_SUPER_MAGIC 0xADFF</a>
<a name="867"><span class="lineNum"> 867 </span> : #define BDEVFS_MAGIC 0x62646576</a>
<a name="868"><span class="lineNum"> 868 </span> : #define BEFS_SUPER_MAGIC 0x42465331</a>
<a name="869"><span class="lineNum"> 869 </span> : #define BFS_MAGIC 0x1BADFACE</a>
<a name="870"><span class="lineNum"> 870 </span> : #define BINFMTFS_MAGIC 0x42494e4d</a>
<a name="871"><span class="lineNum"> 871 </span> : #define BTRFS_SUPER_MAGIC 0x9123683E</a>
<a name="872"><span class="lineNum"> 872 </span> : #define CGROUP_SUPER_MAGIC 0x27e0eb</a>
<a name="873"><span class="lineNum"> 873 </span> : #define CIFS_MAGIC_NUMBER 0xFF534D42</a>
<a name="874"><span class="lineNum"> 874 </span> : #define CODA_SUPER_MAGIC 0x73757245</a>
<a name="875"><span class="lineNum"> 875 </span> : #define COH_SUPER_MAGIC 0x012FF7B7</a>
<a name="876"><span class="lineNum"> 876 </span> : #define CRAMFS_MAGIC 0x28cd3d45</a>
<a name="877"><span class="lineNum"> 877 </span> : #define DEBUGFS_MAGIC 0x64626720</a>
<a name="878"><span class="lineNum"> 878 </span> : #define DEVFS_SUPER_MAGIC 0x1373</a>
<a name="879"><span class="lineNum"> 879 </span> : #define DEVPTS_SUPER_MAGIC 0x1cd1</a>
<a name="880"><span class="lineNum"> 880 </span> : #define EFIVARFS_MAGIC 0xde5e81e4</a>
<a name="881"><span class="lineNum"> 881 </span> : #define EFS_SUPER_MAGIC 0x00414A53</a>
<a name="882"><span class="lineNum"> 882 </span> : #define EXT_SUPER_MAGIC 0x137D</a>
<a name="883"><span class="lineNum"> 883 </span> : #define EXT2_OLD_SUPER_MAGIC 0xEF51</a>
<a name="884"><span class="lineNum"> 884 </span> : #define EXT4_SUPER_MAGIC 0xEF53 /* also ext2/ext3 */</a>
<a name="885"><span class="lineNum"> 885 </span> : #define FUSE_SUPER_MAGIC 0x65735546</a>
<a name="886"><span class="lineNum"> 886 </span> : #define FUTEXFS_SUPER_MAGIC 0xBAD1DEA</a>
<a name="887"><span class="lineNum"> 887 </span> : #define HFS_SUPER_MAGIC 0x4244</a>
<a name="888"><span class="lineNum"> 888 </span> : #define HFSPLUS_SUPER_MAGIC 0x482b</a>
<a name="889"><span class="lineNum"> 889 </span> : #define HOSTFS_SUPER_MAGIC 0x00c0ffee</a>
<a name="890"><span class="lineNum"> 890 </span> : #define HPFS_SUPER_MAGIC 0xF995E849</a>
<a name="891"><span class="lineNum"> 891 </span> : #define HUGETLBFS_MAGIC 0x958458f6</a>
<a name="892"><span class="lineNum"> 892 </span> : #define ISOFS_SUPER_MAGIC 0x9660</a>
<a name="893"><span class="lineNum"> 893 </span> : #define JFFS2_SUPER_MAGIC 0x72b6</a>
<a name="894"><span class="lineNum"> 894 </span> : #define JFS_SUPER_MAGIC 0x3153464a</a>
<a name="895"><span class="lineNum"> 895 </span> : #define MINIX_SUPER_MAGIC 0x137F</a>
<a name="896"><span class="lineNum"> 896 </span> : #define MINIX_SUPER_MAGIC2 0x138F</a>
<a name="897"><span class="lineNum"> 897 </span> : #define MINIX2_SUPER_MAGIC 0x2468</a>
<a name="898"><span class="lineNum"> 898 </span> : #define MINIX2_SUPER_MAGIC2 0x2478</a>
<a name="899"><span class="lineNum"> 899 </span> : #define MINIX3_SUPER_MAGIC 0x4d5a</a>
<a name="900"><span class="lineNum"> 900 </span> : #define MQUEUE_MAGIC 0x19800202</a>
<a name="901"><span class="lineNum"> 901 </span> : #define MSDOS_SUPER_MAGIC 0x4d44</a>
<a name="902"><span class="lineNum"> 902 </span> : #define NCP_SUPER_MAGIC 0x564c</a>
<a name="903"><span class="lineNum"> 903 </span> : #define NFS_SUPER_MAGIC 0x6969</a>
<a name="904"><span class="lineNum"> 904 </span> : #define NILFS_SUPER_MAGIC 0x3434</a>
<a name="905"><span class="lineNum"> 905 </span> : #define NTFS_SB_MAGIC 0x5346544e</a>
<a name="906"><span class="lineNum"> 906 </span> : #define OCFS2_SUPER_MAGIC 0x7461636f</a>
<a name="907"><span class="lineNum"> 907 </span> : #define OPENPROM_SUPER_MAGIC 0x9fa1</a>
<a name="908"><span class="lineNum"> 908 </span> : #define PIPEFS_MAGIC 0x50495045</a>
<a name="909"><span class="lineNum"> 909 </span> : #define PROC_SUPER_MAGIC 0x9fa0</a>
<a name="910"><span class="lineNum"> 910 </span> : #define PSTOREFS_MAGIC 0x6165676C</a>
<a name="911"><span class="lineNum"> 911 </span> : #define QNX4_SUPER_MAGIC 0x002f</a>
<a name="912"><span class="lineNum"> 912 </span> : #define QNX6_SUPER_MAGIC 0x68191122</a>
<a name="913"><span class="lineNum"> 913 </span> : #define RAMFS_MAGIC 0x858458f6</a>
<a name="914"><span class="lineNum"> 914 </span> : #define REISERFS_SUPER_MAGIC 0x52654973</a>
<a name="915"><span class="lineNum"> 915 </span> : #define ROMFS_MAGIC 0x7275</a>
<a name="916"><span class="lineNum"> 916 </span> : #define SELINUX_MAGIC 0xf97cff8c</a>
<a name="917"><span class="lineNum"> 917 </span> : #define SMACK_MAGIC 0x43415d53</a>
<a name="918"><span class="lineNum"> 918 </span> : #define SMB_SUPER_MAGIC 0x517B</a>
<a name="919"><span class="lineNum"> 919 </span> : #define SOCKFS_MAGIC 0x534F434B</a>
<a name="920"><span class="lineNum"> 920 </span> : #define SQUASHFS_MAGIC 0x73717368</a>
<a name="921"><span class="lineNum"> 921 </span> : #define SYSFS_MAGIC 0x62656572</a>
<a name="922"><span class="lineNum"> 922 </span> : #define SYSV2_SUPER_MAGIC 0x012FF7B6</a>
<a name="923"><span class="lineNum"> 923 </span> : #define SYSV4_SUPER_MAGIC 0x012FF7B5</a>
<a name="924"><span class="lineNum"> 924 </span> : #define TMPFS_MAGIC 0x01021994</a>
<a name="925"><span class="lineNum"> 925 </span> : #define UDF_SUPER_MAGIC 0x15013346</a>
<a name="926"><span class="lineNum"> 926 </span> : #define UFS_MAGIC 0x00011954</a>
<a name="927"><span class="lineNum"> 927 </span> : #define USBDEVICE_SUPER_MAGIC 0x9fa2</a>
<a name="928"><span class="lineNum"> 928 </span> : #define V9FS_MAGIC 0x01021997</a>
<a name="929"><span class="lineNum"> 929 </span> : #define VXFS_SUPER_MAGIC 0xa501FCF5</a>
<a name="930"><span class="lineNum"> 930 </span> : #define XENFS_SUPER_MAGIC 0xabba1974</a>
<a name="931"><span class="lineNum"> 931 </span> : #define XENIX_SUPER_MAGIC 0x012FF7B4</a>
<a name="932"><span class="lineNum"> 932 </span> : #define XFS_SUPER_MAGIC 0x58465342</a>
<a name="933"><span class="lineNum"> 933 </span> : #define _XIAFS_SUPER_MAGIC 0x012FD16D</a>
<a name="934"><span class="lineNum"> 934 </span> : #define AFS_SUPER_MAGIC 0x5346414F</a>
<a name="935"><span class="lineNum"> 935 </span> : #define AUFS_SUPER_MAGIC 0x61756673</a>
<a name="936"><span class="lineNum"> 936 </span> : #define ANON_INODE_FS_SUPER_MAGIC 0x09041934</a>
<a name="937"><span class="lineNum"> 937 </span> : #define CEPH_SUPER_MAGIC 0x00C36400</a>
<a name="938"><span class="lineNum"> 938 </span> : #define ECRYPTFS_SUPER_MAGIC 0xF15F</a>
<a name="939"><span class="lineNum"> 939 </span> : #define FAT_SUPER_MAGIC 0x4006</a>
<a name="940"><span class="lineNum"> 940 </span> : #define FHGFS_SUPER_MAGIC 0x19830326</a>
<a name="941"><span class="lineNum"> 941 </span> : #define FUSEBLK_SUPER_MAGIC 0x65735546</a>
<a name="942"><span class="lineNum"> 942 </span> : #define FUSECTL_SUPER_MAGIC 0x65735543</a>
<a name="943"><span class="lineNum"> 943 </span> : #define GFS_SUPER_MAGIC 0x1161970</a>
<a name="944"><span class="lineNum"> 944 </span> : #define GPFS_SUPER_MAGIC 0x47504653</a>
<a name="945"><span class="lineNum"> 945 </span> : #define MTD_INODE_FS_SUPER_MAGIC 0x11307854</a>
<a name="946"><span class="lineNum"> 946 </span> : #define INOTIFYFS_SUPER_MAGIC 0x2BAD1DEA</a>
<a name="947"><span class="lineNum"> 947 </span> : #define ISOFS_R_WIN_SUPER_MAGIC 0x4004</a>
<a name="948"><span class="lineNum"> 948 </span> : #define ISOFS_WIN_SUPER_MAGIC 0x4000</a>
<a name="949"><span class="lineNum"> 949 </span> : #define JFFS_SUPER_MAGIC 0x07C0</a>
<a name="950"><span class="lineNum"> 950 </span> : #define KAFS_SUPER_MAGIC 0x6B414653</a>
<a name="951"><span class="lineNum"> 951 </span> : #define LUSTRE_SUPER_MAGIC 0x0BD00BD0</a>
<a name="952"><span class="lineNum"> 952 </span> : #define NFSD_SUPER_MAGIC 0x6E667364</a>
<a name="953"><span class="lineNum"> 953 </span> : #define PANFS_SUPER_MAGIC 0xAAD7AAEA</a>
<a name="954"><span class="lineNum"> 954 </span> : #define RPC_PIPEFS_SUPER_MAGIC 0x67596969</a>
<a name="955"><span class="lineNum"> 955 </span> : #define SECURITYFS_SUPER_MAGIC 0x73636673</a>
<a name="956"><span class="lineNum"> 956 </span> : #define UFS_BYTESWAPPED_SUPER_MAGIC 0x54190100</a>
<a name="957"><span class="lineNum"> 957 </span> : #define VMHGFS_SUPER_MAGIC 0xBACBACBC</a>
<a name="958"><span class="lineNum"> 958 </span> : #define VZFS_SUPER_MAGIC 0x565A4653</a>
<a name="959"><span class="lineNum"> 959 </span> : #define ZFS_SUPER_MAGIC 0x2FC12FC1</a>
<a name="960"><span class="lineNum"> 960 </span> : </a>
<a name="961"><span class="lineNum"> 961 </span> : struct filesystem_entry {</a>
<a name="962"><span class="lineNum"> 962 </span> : unsigned id;</a>
<a name="963"><span class="lineNum"> 963 </span> : const char* name;</a>
<a name="964"><span class="lineNum"> 964 </span> : int remote;</a>
<a name="965"><span class="lineNum"> 965 </span> : } FILESYSTEMS[] = {</a>
<a name="966"><span class="lineNum"> 966 </span> : { ADFS_SUPER_MAGIC, &quot;adfs&quot;, 0 },</a>
<a name="967"><span class="lineNum"> 967 </span> : { AFFS_SUPER_MAGIC, &quot;affs&quot;, 0 },</a>
<a name="968"><span class="lineNum"> 968 </span> : { AFS_SUPER_MAGIC, &quot;afs&quot;, 1 },</a>
<a name="969"><span class="lineNum"> 969 </span> : { AUFS_SUPER_MAGIC, &quot;aufs&quot;, 1 },</a>
<a name="970"><span class="lineNum"> 970 </span> : { BEFS_SUPER_MAGIC, &quot;befs&quot;, 0 },</a>
<a name="971"><span class="lineNum"> 971 </span> : { BDEVFS_MAGIC, &quot;bdevfs&quot;, 0 },</a>
<a name="972"><span class="lineNum"> 972 </span> : { BFS_MAGIC, &quot;bfs&quot;, 0 },</a>
<a name="973"><span class="lineNum"> 973 </span> : { BINFMTFS_MAGIC, &quot;binfmt_misc&quot;, 0 },</a>
<a name="974"><span class="lineNum"> 974 </span> : { BTRFS_SUPER_MAGIC, &quot;btrfs&quot;, 0 },</a>
<a name="975"><span class="lineNum"> 975 </span> : { CEPH_SUPER_MAGIC, &quot;ceph&quot;, 1 },</a>
<a name="976"><span class="lineNum"> 976 </span> : { CGROUP_SUPER_MAGIC, &quot;cgroupfs&quot;, 0 },</a>
<a name="977"><span class="lineNum"> 977 </span> : { CIFS_MAGIC_NUMBER, &quot;cifs&quot;, 1 },</a>
<a name="978"><span class="lineNum"> 978 </span> : { CODA_SUPER_MAGIC, &quot;coda&quot;, 1 },</a>
<a name="979"><span class="lineNum"> 979 </span> : { COH_SUPER_MAGIC, &quot;coh&quot;, 0 },</a>
<a name="980"><span class="lineNum"> 980 </span> : { CRAMFS_MAGIC, &quot;cramfs&quot;, 0 },</a>
<a name="981"><span class="lineNum"> 981 </span> : { DEBUGFS_MAGIC, &quot;debugfs&quot;, 0 },</a>
<a name="982"><span class="lineNum"> 982 </span> : { DEVFS_SUPER_MAGIC, &quot;devfs&quot;, 0 },</a>
<a name="983"><span class="lineNum"> 983 </span> : { DEVPTS_SUPER_MAGIC, &quot;devpts&quot;, 0 },</a>
<a name="984"><span class="lineNum"> 984 </span> : { ECRYPTFS_SUPER_MAGIC, &quot;ecryptfs&quot;, 0 },</a>
<a name="985"><span class="lineNum"> 985 </span> : { EFS_SUPER_MAGIC, &quot;efs&quot;, 0 },</a>
<a name="986"><span class="lineNum"> 986 </span> : { EXT_SUPER_MAGIC, &quot;ext&quot;, 0 },</a>
<a name="987"><span class="lineNum"> 987 </span> : { EXT4_SUPER_MAGIC, &quot;ext4&quot;, 0 },</a>
<a name="988"><span class="lineNum"> 988 </span> : { EXT2_OLD_SUPER_MAGIC, &quot;ext2&quot;, 0 },</a>
<a name="989"><span class="lineNum"> 989 </span> : { FAT_SUPER_MAGIC, &quot;fat&quot;, 0 },</a>
<a name="990"><span class="lineNum"> 990 </span> : { FHGFS_SUPER_MAGIC, &quot;fhgfs&quot;, 1 },</a>
<a name="991"><span class="lineNum"> 991 </span> : { FUSEBLK_SUPER_MAGIC, &quot;fuseblk&quot;, 1 },</a>
<a name="992"><span class="lineNum"> 992 </span> : { FUSECTL_SUPER_MAGIC, &quot;fusectl&quot;, 1 },</a>
<a name="993"><span class="lineNum"> 993 </span> : { FUTEXFS_SUPER_MAGIC, &quot;futexfs&quot;, 0 },</a>
<a name="994"><span class="lineNum"> 994 </span> : { GFS_SUPER_MAGIC, &quot;gfs/gfs2&quot;, 1 },</a>
<a name="995"><span class="lineNum"> 995 </span> : { GPFS_SUPER_MAGIC, &quot;gpfs&quot;, 1 },</a>
<a name="996"><span class="lineNum"> 996 </span> : { HFS_SUPER_MAGIC, &quot;hfs&quot;, 0 },</a>
<a name="997"><span class="lineNum"> 997 </span> : { HFSPLUS_SUPER_MAGIC, &quot;hfsplus&quot;, 0 },</a>
<a name="998"><span class="lineNum"> 998 </span> : { HPFS_SUPER_MAGIC, &quot;hpfs&quot;, 0 },</a>
<a name="999"><span class="lineNum"> 999 </span> : { HUGETLBFS_MAGIC, &quot;hugetlbfs&quot;, 0 },</a>
<a name="1000"><span class="lineNum"> 1000 </span> : { MTD_INODE_FS_SUPER_MAGIC, &quot;inodefs&quot;, 0 },</a>
<a name="1001"><span class="lineNum"> 1001 </span> : { INOTIFYFS_SUPER_MAGIC, &quot;inotifyfs&quot;, 0 },</a>
<a name="1002"><span class="lineNum"> 1002 </span> : { ISOFS_SUPER_MAGIC, &quot;isofs&quot;, 0 },</a>
<a name="1003"><span class="lineNum"> 1003 </span> : { ISOFS_R_WIN_SUPER_MAGIC, &quot;isofs&quot;, 0 },</a>
<a name="1004"><span class="lineNum"> 1004 </span> : { ISOFS_WIN_SUPER_MAGIC, &quot;isofs&quot;, 0 },</a>
<a name="1005"><span class="lineNum"> 1005 </span> : { JFFS_SUPER_MAGIC, &quot;jffs&quot;, 0 },</a>
<a name="1006"><span class="lineNum"> 1006 </span> : { JFFS2_SUPER_MAGIC, &quot;jffs2&quot;, 0 },</a>
<a name="1007"><span class="lineNum"> 1007 </span> : { JFS_SUPER_MAGIC, &quot;jfs&quot;, 0 },</a>
<a name="1008"><span class="lineNum"> 1008 </span> : { KAFS_SUPER_MAGIC, &quot;k-afs&quot;, 1 },</a>
<a name="1009"><span class="lineNum"> 1009 </span> : { LUSTRE_SUPER_MAGIC, &quot;lustre&quot;, 1 },</a>
<a name="1010"><span class="lineNum"> 1010 </span> : { MINIX_SUPER_MAGIC, &quot;minix&quot;, 0 },</a>
<a name="1011"><span class="lineNum"> 1011 </span> : { MINIX_SUPER_MAGIC2, &quot;minix&quot;, 0 },</a>
<a name="1012"><span class="lineNum"> 1012 </span> : { MINIX2_SUPER_MAGIC, &quot;minix2&quot;, 0 },</a>
<a name="1013"><span class="lineNum"> 1013 </span> : { MINIX2_SUPER_MAGIC2, &quot;minix2&quot;, 0 },</a>
<a name="1014"><span class="lineNum"> 1014 </span> : { MINIX3_SUPER_MAGIC, &quot;minix3&quot;, 0 },</a>
<a name="1015"><span class="lineNum"> 1015 </span> : { MQUEUE_MAGIC, &quot;mqueue&quot;, 0 },</a>
<a name="1016"><span class="lineNum"> 1016 </span> : { MSDOS_SUPER_MAGIC, &quot;msdos&quot;, 0 },</a>
<a name="1017"><span class="lineNum"> 1017 </span> : { NCP_SUPER_MAGIC, &quot;novell&quot;, 1 },</a>
<a name="1018"><span class="lineNum"> 1018 </span> : { NFS_SUPER_MAGIC, &quot;nfs&quot;, 1 },</a>
<a name="1019"><span class="lineNum"> 1019 </span> : { NFSD_SUPER_MAGIC, &quot;nfsd&quot;, 1 },</a>
<a name="1020"><span class="lineNum"> 1020 </span> : { NILFS_SUPER_MAGIC, &quot;nilfs&quot;, 0 },</a>
<a name="1021"><span class="lineNum"> 1021 </span> : { NTFS_SB_MAGIC, &quot;ntfs&quot;, 0 },</a>
<a name="1022"><span class="lineNum"> 1022 </span> : { OPENPROM_SUPER_MAGIC, &quot;openprom&quot;, 0 },</a>
<a name="1023"><span class="lineNum"> 1023 </span> : { OCFS2_SUPER_MAGIC, &quot;ocfs2&quot;, 1 },</a>
<a name="1024"><span class="lineNum"> 1024 </span> : { PANFS_SUPER_MAGIC, &quot;panfs&quot;, 1 },</a>
<a name="1025"><span class="lineNum"> 1025 </span> : { PIPEFS_MAGIC, &quot;pipefs&quot;, 1 },</a>
<a name="1026"><span class="lineNum"> 1026 </span> : { PROC_SUPER_MAGIC, &quot;proc&quot;, 0 },</a>
<a name="1027"><span class="lineNum"> 1027 </span> : { PSTOREFS_MAGIC, &quot;pstorefs&quot;, 0 },</a>
<a name="1028"><span class="lineNum"> 1028 </span> : { QNX4_SUPER_MAGIC, &quot;qnx4&quot;, 0 },</a>
<a name="1029"><span class="lineNum"> 1029 </span> : { QNX6_SUPER_MAGIC, &quot;qnx6&quot;, 0 },</a>
<a name="1030"><span class="lineNum"> 1030 </span> : { RAMFS_MAGIC, &quot;ramfs&quot;, 0 },</a>
<a name="1031"><span class="lineNum"> 1031 </span> : { REISERFS_SUPER_MAGIC, &quot;reiserfs&quot;, 0 },</a>
<a name="1032"><span class="lineNum"> 1032 </span> : { ROMFS_MAGIC, &quot;romfs&quot;, 0 },</a>
<a name="1033"><span class="lineNum"> 1033 </span> : { RPC_PIPEFS_SUPER_MAGIC, &quot;rpc_pipefs&quot;, 0 },</a>
<a name="1034"><span class="lineNum"> 1034 </span> : { SECURITYFS_SUPER_MAGIC, &quot;securityfs&quot;, 0 },</a>
<a name="1035"><span class="lineNum"> 1035 </span> : { SELINUX_MAGIC, &quot;selinux&quot;, 0 },</a>
<a name="1036"><span class="lineNum"> 1036 </span> : { SMB_SUPER_MAGIC, &quot;smb&quot;, 1 },</a>
<a name="1037"><span class="lineNum"> 1037 </span> : { SOCKFS_MAGIC, &quot;sockfs&quot;, 0 },</a>
<a name="1038"><span class="lineNum"> 1038 </span> : { SQUASHFS_MAGIC, &quot;squashfs&quot;, 0 },</a>
<a name="1039"><span class="lineNum"> 1039 </span> : { SYSFS_MAGIC, &quot;sysfs&quot;, 0 },</a>
<a name="1040"><span class="lineNum"> 1040 </span> : { SYSV2_SUPER_MAGIC, &quot;sysv2&quot;, 0 },</a>
<a name="1041"><span class="lineNum"> 1041 </span> : { SYSV4_SUPER_MAGIC, &quot;sysv4&quot;, 0 },</a>
<a name="1042"><span class="lineNum"> 1042 </span> : { TMPFS_MAGIC, &quot;tmpfs&quot;, 0 },</a>
<a name="1043"><span class="lineNum"> 1043 </span> : { UDF_SUPER_MAGIC, &quot;udf&quot;, 0 },</a>
<a name="1044"><span class="lineNum"> 1044 </span> : { UFS_MAGIC, &quot;ufs&quot;, 0 },</a>
<a name="1045"><span class="lineNum"> 1045 </span> : { UFS_BYTESWAPPED_SUPER_MAGIC, &quot;ufs&quot;, 0 },</a>
<a name="1046"><span class="lineNum"> 1046 </span> : { USBDEVICE_SUPER_MAGIC, &quot;usbdevfs&quot;, 0 },</a>
<a name="1047"><span class="lineNum"> 1047 </span> : { V9FS_MAGIC, &quot;v9fs&quot;, 0 },</a>
<a name="1048"><span class="lineNum"> 1048 </span> : { VMHGFS_SUPER_MAGIC, &quot;vmhgfs&quot;, 1 },</a>
<a name="1049"><span class="lineNum"> 1049 </span> : { VXFS_SUPER_MAGIC, &quot;vxfs&quot;, 0 },</a>
<a name="1050"><span class="lineNum"> 1050 </span> : { VZFS_SUPER_MAGIC, &quot;vzfs&quot;, 0 },</a>
<a name="1051"><span class="lineNum"> 1051 </span> : { XENFS_SUPER_MAGIC, &quot;xenfs&quot;, 0 },</a>
<a name="1052"><span class="lineNum"> 1052 </span> : { XENIX_SUPER_MAGIC, &quot;xenix&quot;, 0 },</a>
<a name="1053"><span class="lineNum"> 1053 </span> : { XFS_SUPER_MAGIC, &quot;xfs&quot;, 0 },</a>
<a name="1054"><span class="lineNum"> 1054 </span> : { _XIAFS_SUPER_MAGIC, &quot;xia&quot;, 0 },</a>
<a name="1055"><span class="lineNum"> 1055 </span> : { ZFS_SUPER_MAGIC, &quot;zfs&quot;, 0 },</a>
<a name="1056"><span class="lineNum"> 1056 </span> : { 0 }</a>
<a name="1057"><span class="lineNum"> 1057 </span> : };</a>
<a name="1058"><span class="lineNum"> 1058 </span> : </a>
<a name="1059"><span class="lineNum"> 1059 </span><span class="lineCov"> 6596 : int fsinfo(const char* path, int* has_persistent_inode, int* has_syncronized_hardlinks, uint64_t* total_space, uint64_t* free_space, char* fstype, size_t fstype_size, char* fslabel, size_t fslabel_size)</span></a>
<a name="1060"><span class="lineNum"> 1060 </span> : {</a>
<a name="1061"><span class="lineNum"> 1061 </span> : #if HAVE_STATFS</a>
<a name="1062"><span class="lineNum"> 1062 </span> : struct statfs st;</a>
<a name="1063"><span class="lineNum"> 1063 </span> : </a>
<a name="1064"><span class="lineNum"> 1064 </span><span class="lineCov"> 6596 : if (statfs(path, &amp;st) != 0) {</span></a>
<a name="1065"><span class="lineNum"> 1065 </span> : char dir[PATH_MAX];</a>
<a name="1066"><span class="lineNum"> 1066 </span> : char* slash;</a>
<a name="1067"><span class="lineNum"> 1067 </span> : </a>
<a name="1068"><span class="lineNum"> 1068 </span><span class="lineCov"> 48 : if (errno != ENOENT) {</span></a>
<a name="1069"><span class="lineNum"> 1069 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1070"><span class="lineNum"> 1070 </span> : }</a>
<a name="1071"><span class="lineNum"> 1071 </span> : </a>
<a name="1072"><span class="lineNum"> 1072 </span> : /* if it doesn't exist, we assume a file */</a>
<a name="1073"><span class="lineNum"> 1073 </span> : /* and we check for the containing dir */</a>
<a name="1074"><span class="lineNum"> 1074 </span><span class="lineCov"> 48 : if (strlen(path) + 1 &gt; sizeof(dir)) {</span></a>
<a name="1075"><span class="lineNum"> 1075 </span><span class="lineNoCov"> 0 : errno = ENAMETOOLONG;</span></a>
<a name="1076"><span class="lineNum"> 1076 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1077"><span class="lineNum"> 1077 </span> : }</a>
<a name="1078"><span class="lineNum"> 1078 </span> : </a>
<a name="1079"><span class="lineNum"> 1079 </span><span class="lineCov"> 48 : strcpy(dir, path);</span></a>
<a name="1080"><span class="lineNum"> 1080 </span> : </a>
<a name="1081"><span class="lineNum"> 1081 </span><span class="lineCov"> 48 : slash = strrchr(dir, '/');</span></a>
<a name="1082"><span class="lineNum"> 1082 </span><span class="lineCov"> 48 : if (!slash)</span></a>
<a name="1083"><span class="lineNum"> 1083 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1084"><span class="lineNum"> 1084 </span> : </a>
<a name="1085"><span class="lineNum"> 1085 </span><span class="lineCov"> 48 : *slash = 0;</span></a>
<a name="1086"><span class="lineNum"> 1086 </span><span class="lineCov"> 48 : if (statfs(dir, &amp;st) != 0)</span></a>
<a name="1087"><span class="lineNum"> 1087 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1088"><span class="lineNum"> 1088 </span> : }</a>
<a name="1089"><span class="lineNum"> 1089 </span> : #endif</a>
<a name="1090"><span class="lineNum"> 1090 </span> : </a>
<a name="1091"><span class="lineNum"> 1091 </span> : /* to get the fs type check &quot;man stat&quot; or &quot;stat -f -t FILE&quot; */</a>
<a name="1092"><span class="lineNum"> 1092 </span><span class="lineCov"> 6596 : if (has_persistent_inode) {</span></a>
<a name="1093"><span class="lineNum"> 1093 </span> : #if HAVE_STATFS &amp;&amp; HAVE_STRUCT_STATFS_F_TYPE</a>
<a name="1094"><span class="lineNum"> 1094 </span><span class="lineCov"> 629 : switch (st.f_type) {</span></a>
<a name="1095"><span class="lineNum"> 1095 </span><span class="lineNoCov"> 0 : case FUSEBLK_SUPER_MAGIC : /* FUSE, &quot;fuseblk&quot; in the stat command */</span></a>
<a name="1096"><span class="lineNum"> 1096 </span> : case MSDOS_SUPER_MAGIC : /* VFAT, &quot;msdos&quot; in the stat command */</a>
<a name="1097"><span class="lineNum"> 1097 </span><span class="lineNoCov"> 0 : *has_persistent_inode = 0;</span></a>
<a name="1098"><span class="lineNum"> 1098 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="1099"><span class="lineNum"> 1099 </span><span class="lineCov"> 629 : default :</span></a>
<a name="1100"><span class="lineNum"> 1100 </span> : /* by default assume yes */</a>
<a name="1101"><span class="lineNum"> 1101 </span><span class="lineCov"> 629 : *has_persistent_inode = 1;</span></a>
<a name="1102"><span class="lineNum"> 1102 </span><span class="lineCov"> 629 : break;</span></a>
<a name="1103"><span class="lineNum"> 1103 </span> : }</a>
<a name="1104"><span class="lineNum"> 1104 </span> : #else</a>
<a name="1105"><span class="lineNum"> 1105 </span> : /* in Unix inodes are persistent by default */</a>
<a name="1106"><span class="lineNum"> 1106 </span> : *has_persistent_inode = 1;</a>
<a name="1107"><span class="lineNum"> 1107 </span> : #endif</a>
<a name="1108"><span class="lineNum"> 1108 </span> : }</a>
<a name="1109"><span class="lineNum"> 1109 </span> : </a>
<a name="1110"><span class="lineNum"> 1110 </span><span class="lineCov"> 6596 : if (has_syncronized_hardlinks) {</span></a>
<a name="1111"><span class="lineNum"> 1111 </span> : #if HAVE_STATFS &amp;&amp; HAVE_STRUCT_STATFS_F_TYPE</a>
<a name="1112"><span class="lineNum"> 1112 </span><span class="lineCov"> 629 : switch (st.f_type) {</span></a>
<a name="1113"><span class="lineNum"> 1113 </span><span class="lineNoCov"> 0 : case NTFS_SB_MAGIC : /* NTFS */</span></a>
<a name="1114"><span class="lineNum"> 1114 </span> : case MSDOS_SUPER_MAGIC : /* VFAT, &quot;msdos&quot; in the stat command */</a>
<a name="1115"><span class="lineNum"> 1115 </span><span class="lineNoCov"> 0 : *has_syncronized_hardlinks = 0;</span></a>
<a name="1116"><span class="lineNum"> 1116 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="1117"><span class="lineNum"> 1117 </span><span class="lineCov"> 629 : default :</span></a>
<a name="1118"><span class="lineNum"> 1118 </span> : /* by default assume yes */</a>
<a name="1119"><span class="lineNum"> 1119 </span><span class="lineCov"> 629 : *has_syncronized_hardlinks = 1;</span></a>
<a name="1120"><span class="lineNum"> 1120 </span><span class="lineCov"> 629 : break;</span></a>
<a name="1121"><span class="lineNum"> 1121 </span> : }</a>
<a name="1122"><span class="lineNum"> 1122 </span> : #else</a>
<a name="1123"><span class="lineNum"> 1123 </span> : /* in Unix hardlinks share the same metadata by default */</a>
<a name="1124"><span class="lineNum"> 1124 </span> : *has_syncronized_hardlinks = 1;</a>
<a name="1125"><span class="lineNum"> 1125 </span> : #endif</a>
<a name="1126"><span class="lineNum"> 1126 </span> : }</a>
<a name="1127"><span class="lineNum"> 1127 </span> : </a>
<a name="1128"><span class="lineNum"> 1128 </span><span class="lineCov"> 6596 : if (total_space) {</span></a>
<a name="1129"><span class="lineNum"> 1129 </span> : #if HAVE_STATFS</a>
<a name="1130"><span class="lineNum"> 1130 </span><span class="lineCov"> 5967 : *total_space = st.f_bsize * (uint64_t)st.f_blocks;</span></a>
<a name="1131"><span class="lineNum"> 1131 </span> : #else</a>
<a name="1132"><span class="lineNum"> 1132 </span> : *total_space = 0;</a>
<a name="1133"><span class="lineNum"> 1133 </span> : #endif</a>
<a name="1134"><span class="lineNum"> 1134 </span> : }</a>
<a name="1135"><span class="lineNum"> 1135 </span> : </a>
<a name="1136"><span class="lineNum"> 1136 </span><span class="lineCov"> 6596 : if (free_space) {</span></a>
<a name="1137"><span class="lineNum"> 1137 </span> : #if HAVE_STATFS</a>
<a name="1138"><span class="lineNum"> 1138 </span><span class="lineCov"> 5967 : *free_space = st.f_bsize * (uint64_t)st.f_bfree;</span></a>
<a name="1139"><span class="lineNum"> 1139 </span> : #else</a>
<a name="1140"><span class="lineNum"> 1140 </span> : *free_space = 0;</a>
<a name="1141"><span class="lineNum"> 1141 </span> : #endif</a>
<a name="1142"><span class="lineNum"> 1142 </span> : }</a>
<a name="1143"><span class="lineNum"> 1143 </span> : </a>
<a name="1144"><span class="lineNum"> 1144 </span><span class="lineCov"> 6596 : const char* ptype = 0;</span></a>
<a name="1145"><span class="lineNum"> 1145 </span> : </a>
<a name="1146"><span class="lineNum"> 1146 </span> : #if HAVE_STATFS &amp;&amp; HAVE_STRUCT_STATFS_F_FSTYPENAME</a>
<a name="1147"><span class="lineNum"> 1147 </span> : /* get the filesystem type directly from the struct (Mac OS X) */</a>
<a name="1148"><span class="lineNum"> 1148 </span> : ptype = st.f_fstypename;</a>
<a name="1149"><span class="lineNum"> 1149 </span> : #elif HAVE_STATFS &amp;&amp; HAVE_STRUCT_STATFS_F_TYPE</a>
<a name="1150"><span class="lineNum"> 1150 </span> : /* get the filesystem type from f_type (Linux) */</a>
<a name="1151"><span class="lineNum"> 1151 </span> : /* from: https://github.com/influxdata/gopsutil/blob/master/disk/disk_linux.go */</a>
<a name="1152"><span class="lineNum"> 1152 </span><span class="lineCov"> 145112 : for (int i = 0; FILESYSTEMS[i].id != 0; ++i) {</span></a>
<a name="1153"><span class="lineNum"> 1153 </span><span class="lineCov"> 145112 : if (st.f_type == FILESYSTEMS[i].id) {</span></a>
<a name="1154"><span class="lineNum"> 1154 </span><span class="lineCov"> 6596 : ptype = FILESYSTEMS[i].name;</span></a>
<a name="1155"><span class="lineNum"> 1155 </span><span class="lineCov"> 6596 : break;</span></a>
<a name="1156"><span class="lineNum"> 1156 </span> : }</a>
<a name="1157"><span class="lineNum"> 1157 </span> : }</a>
<a name="1158"><span class="lineNum"> 1158 </span> : #endif</a>
<a name="1159"><span class="lineNum"> 1159 </span> : </a>
<a name="1160"><span class="lineNum"> 1160 </span><span class="lineCov"> 6596 : if (fstype) {</span></a>
<a name="1161"><span class="lineNum"> 1161 </span><span class="lineCov"> 5967 : fstype[0] = 0;</span></a>
<a name="1162"><span class="lineNum"> 1162 </span><span class="lineCov"> 5967 : if (ptype)</span></a>
<a name="1163"><span class="lineNum"> 1163 </span><span class="lineCov"> 5967 : snprintf(fstype, fstype_size, &quot;%s&quot;, ptype);</span></a>
<a name="1164"><span class="lineNum"> 1164 </span> : }</a>
<a name="1165"><span class="lineNum"> 1165 </span> : </a>
<a name="1166"><span class="lineNum"> 1166 </span><span class="lineCov"> 6596 : if (fslabel) {</span></a>
<a name="1167"><span class="lineNum"> 1167 </span><span class="lineCov"> 5967 : fslabel[0] = 0;</span></a>
<a name="1168"><span class="lineNum"> 1168 </span> : #if HAVE_BLKID</a>
<a name="1169"><span class="lineNum"> 1169 </span> : struct stat fst;</a>
<a name="1170"><span class="lineNum"> 1170 </span><span class="lineCov"> 5967 : if (stat(path, &amp;fst) == 0)</span></a>
<a name="1171"><span class="lineNum"> 1171 </span><span class="lineCov"> 5919 : devuuid_label(fst.st_dev, fslabel, fslabel_size);</span></a>
<a name="1172"><span class="lineNum"> 1172 </span> : #else</a>
<a name="1173"><span class="lineNum"> 1173 </span> : (void)fslabel_size;</a>
<a name="1174"><span class="lineNum"> 1174 </span> : #endif</a>
<a name="1175"><span class="lineNum"> 1175 </span> : }</a>
<a name="1176"><span class="lineNum"> 1176 </span> : </a>
<a name="1177"><span class="lineNum"> 1177 </span><span class="lineCov"> 6596 : return 0;</span></a>
<a name="1178"><span class="lineNum"> 1178 </span> : }</a>
<a name="1179"><span class="lineNum"> 1179 </span> : </a>
<a name="1180"><span class="lineNum"> 1180 </span><span class="lineCov"> 4046785 : uint64_t os_tick(void)</span></a>
<a name="1181"><span class="lineNum"> 1181 </span> : {</a>
<a name="1182"><span class="lineNum"> 1182 </span> : #if HAVE_MACH_ABSOLUTE_TIME</a>
<a name="1183"><span class="lineNum"> 1183 </span> : /* for Mac OS X */</a>
<a name="1184"><span class="lineNum"> 1184 </span> : return mach_absolute_time();</a>
<a name="1185"><span class="lineNum"> 1185 </span> : #elif HAVE_CLOCK_GETTIME &amp;&amp; (defined(CLOCK_MONOTONIC) || defined(CLOCK_MONOTONIC_RAW))</a>
<a name="1186"><span class="lineNum"> 1186 </span> : /* for Linux */</a>
<a name="1187"><span class="lineNum"> 1187 </span> : struct timespec tv;</a>
<a name="1188"><span class="lineNum"> 1188 </span> : </a>
<a name="1189"><span class="lineNum"> 1189 </span> : /* nanosecond precision with clock_gettime() */</a>
<a name="1190"><span class="lineNum"> 1190 </span> : #if defined(CLOCK_MONOTONIC_RAW)</a>
<a name="1191"><span class="lineNum"> 1191 </span><span class="lineCov"> 4046785 : if (clock_gettime(CLOCK_MONOTONIC_RAW, &amp;tv) != 0) {</span></a>
<a name="1192"><span class="lineNum"> 1192 </span> : #else</a>
<a name="1193"><span class="lineNum"> 1193 </span> : if (clock_gettime(CLOCK_MONOTONIC, &amp;tv) != 0) {</a>
<a name="1194"><span class="lineNum"> 1194 </span> : #endif</a>
<a name="1195"><span class="lineNum"> 1195 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="1196"><span class="lineNum"> 1196 </span> : }</a>
<a name="1197"><span class="lineNum"> 1197 </span> : </a>
<a name="1198"><span class="lineNum"> 1198 </span><span class="lineCov"> 4046785 : return tv.tv_sec * 1000000000ULL + tv.tv_nsec;</span></a>
<a name="1199"><span class="lineNum"> 1199 </span> : #else</a>
<a name="1200"><span class="lineNum"> 1200 </span> : /* other platforms */</a>
<a name="1201"><span class="lineNum"> 1201 </span> : struct timeval tv;</a>
<a name="1202"><span class="lineNum"> 1202 </span> : </a>
<a name="1203"><span class="lineNum"> 1203 </span> : /* microsecond precision with gettimeofday() */</a>
<a name="1204"><span class="lineNum"> 1204 </span> : if (gettimeofday(&amp;tv, 0) != 0) {</a>
<a name="1205"><span class="lineNum"> 1205 </span> : return 0;</a>
<a name="1206"><span class="lineNum"> 1206 </span> : }</a>
<a name="1207"><span class="lineNum"> 1207 </span> : </a>
<a name="1208"><span class="lineNum"> 1208 </span> : return tv.tv_sec * 1000000ULL + tv.tv_usec;</a>
<a name="1209"><span class="lineNum"> 1209 </span> : #endif</a>
<a name="1210"><span class="lineNum"> 1210 </span> : }</a>
<a name="1211"><span class="lineNum"> 1211 </span> : </a>
<a name="1212"><span class="lineNum"> 1212 </span><span class="lineCov"> 3721 : uint64_t os_tick_ms(void)</span></a>
<a name="1213"><span class="lineNum"> 1213 </span> : {</a>
<a name="1214"><span class="lineNum"> 1214 </span> : struct timeval tv;</a>
<a name="1215"><span class="lineNum"> 1215 </span> : </a>
<a name="1216"><span class="lineNum"> 1216 </span><span class="lineCov"> 3721 : if (gettimeofday(&amp;tv, 0) != 0)</span></a>
<a name="1217"><span class="lineNum"> 1217 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="1218"><span class="lineNum"> 1218 </span> : </a>
<a name="1219"><span class="lineNum"> 1219 </span><span class="lineCov"> 3721 : return tv.tv_sec * 1000ULL + tv.tv_usec / 1000;</span></a>
<a name="1220"><span class="lineNum"> 1220 </span> : }</a>
<a name="1221"><span class="lineNum"> 1221 </span> : </a>
<a name="1222"><span class="lineNum"> 1222 </span><span class="lineCov"> 308 : int randomize(void* ptr, size_t size)</span></a>
<a name="1223"><span class="lineNum"> 1223 </span> : {</a>
<a name="1224"><span class="lineNum"> 1224 </span> : int f;</a>
<a name="1225"><span class="lineNum"> 1225 </span> : ssize_t ret;</a>
<a name="1226"><span class="lineNum"> 1226 </span> : </a>
<a name="1227"><span class="lineNum"> 1227 </span><span class="lineCov"> 308 : f = open(&quot;/dev/urandom&quot;, O_RDONLY);</span></a>
<a name="1228"><span class="lineNum"> 1228 </span><span class="lineCov"> 308 : if (f == -1)</span></a>
<a name="1229"><span class="lineNum"> 1229 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1230"><span class="lineNum"> 1230 </span> : </a>
<a name="1231"><span class="lineNum"> 1231 </span><span class="lineCov"> 308 : ret = read(f, ptr, size);</span></a>
<a name="1232"><span class="lineNum"> 1232 </span><span class="lineCov"> 308 : if (ret &lt; 0 || (size_t)ret != size) {</span></a>
<a name="1233"><span class="lineNum"> 1233 </span><span class="lineNoCov"> 0 : close(f);</span></a>
<a name="1234"><span class="lineNum"> 1234 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1235"><span class="lineNum"> 1235 </span> : }</a>
<a name="1236"><span class="lineNum"> 1236 </span> : </a>
<a name="1237"><span class="lineNum"> 1237 </span><span class="lineCov"> 308 : if (close(f) != 0)</span></a>
<a name="1238"><span class="lineNum"> 1238 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1239"><span class="lineNum"> 1239 </span> : </a>
<a name="1240"><span class="lineNum"> 1240 </span><span class="lineCov"> 308 : return 0;</span></a>
<a name="1241"><span class="lineNum"> 1241 </span> : }</a>
<a name="1242"><span class="lineNum"> 1242 </span> : </a>
<a name="1243"><span class="lineNum"> 1243 </span> : /**</a>
<a name="1244"><span class="lineNum"> 1244 </span> : * Read a file extracting the contained device number in %u:%u format.</a>
<a name="1245"><span class="lineNum"> 1245 </span> : * Return 0 on error.</a>
<a name="1246"><span class="lineNum"> 1246 </span> : */</a>
<a name="1247"><span class="lineNum"> 1247 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1248"><span class="lineNum"> 1248 </span><span class="lineCov"> 286 : static dev_t devread(const char* path)</span></a>
<a name="1249"><span class="lineNum"> 1249 </span> : {</a>
<a name="1250"><span class="lineNum"> 1250 </span> : int f;</a>
<a name="1251"><span class="lineNum"> 1251 </span> : int ret;</a>
<a name="1252"><span class="lineNum"> 1252 </span> : int len;</a>
<a name="1253"><span class="lineNum"> 1253 </span> : char buf[64];</a>
<a name="1254"><span class="lineNum"> 1254 </span> : char* e;</a>
<a name="1255"><span class="lineNum"> 1255 </span> : unsigned ma;</a>
<a name="1256"><span class="lineNum"> 1256 </span> : unsigned mi;</a>
<a name="1257"><span class="lineNum"> 1257 </span> : </a>
<a name="1258"><span class="lineNum"> 1258 </span><span class="lineCov"> 286 : f = open(path, O_RDONLY);</span></a>
<a name="1259"><span class="lineNum"> 1259 </span><span class="lineCov"> 286 : if (f == -1) {</span></a>
<a name="1260"><span class="lineNum"> 1260 </span> : /* LCOV_EXCL_START */</a>
<a name="1261"><span class="lineNum"> 1261 </span> : log_fatal(errno, &quot;Failed to open '%s'.\n&quot;, path);</a>
<a name="1262"><span class="lineNum"> 1262 </span> : return 0;</a>
<a name="1263"><span class="lineNum"> 1263 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1264"><span class="lineNum"> 1264 </span> : }</a>
<a name="1265"><span class="lineNum"> 1265 </span> : </a>
<a name="1266"><span class="lineNum"> 1266 </span><span class="lineCov"> 286 : len = read(f, buf, sizeof(buf));</span></a>
<a name="1267"><span class="lineNum"> 1267 </span><span class="lineCov"> 286 : if (len &lt; 0) {</span></a>
<a name="1268"><span class="lineNum"> 1268 </span> : /* LCOV_EXCL_START */</a>
<a name="1269"><span class="lineNum"> 1269 </span> : close(f);</a>
<a name="1270"><span class="lineNum"> 1270 </span> : log_fatal(errno, &quot;Failed to read '%s'.\n&quot;, path);</a>
<a name="1271"><span class="lineNum"> 1271 </span> : return 0;</a>
<a name="1272"><span class="lineNum"> 1272 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1273"><span class="lineNum"> 1273 </span> : }</a>
<a name="1274"><span class="lineNum"> 1274 </span><span class="lineCov"> 286 : if (len == sizeof(buf)) {</span></a>
<a name="1275"><span class="lineNum"> 1275 </span> : /* LCOV_EXCL_START */</a>
<a name="1276"><span class="lineNum"> 1276 </span> : close(f);</a>
<a name="1277"><span class="lineNum"> 1277 </span> : log_fatal(EEXTERNAL, &quot;Too long read '%s'.\n&quot;, path);</a>
<a name="1278"><span class="lineNum"> 1278 </span> : return 0;</a>
<a name="1279"><span class="lineNum"> 1279 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1280"><span class="lineNum"> 1280 </span> : }</a>
<a name="1281"><span class="lineNum"> 1281 </span> : </a>
<a name="1282"><span class="lineNum"> 1282 </span><span class="lineCov"> 286 : ret = close(f);</span></a>
<a name="1283"><span class="lineNum"> 1283 </span><span class="lineCov"> 286 : if (ret != 0) {</span></a>
<a name="1284"><span class="lineNum"> 1284 </span> : /* LCOV_EXCL_START */</a>
<a name="1285"><span class="lineNum"> 1285 </span> : log_fatal(errno, &quot;Failed to close '%s'.\n&quot;, path);</a>
<a name="1286"><span class="lineNum"> 1286 </span> : return 0;</a>
<a name="1287"><span class="lineNum"> 1287 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1288"><span class="lineNum"> 1288 </span> : }</a>
<a name="1289"><span class="lineNum"> 1289 </span> : </a>
<a name="1290"><span class="lineNum"> 1290 </span><span class="lineCov"> 286 : buf[len] = 0;</span></a>
<a name="1291"><span class="lineNum"> 1291 </span> : </a>
<a name="1292"><span class="lineNum"> 1292 </span><span class="lineCov"> 286 : ma = strtoul(buf, &amp;e, 10);</span></a>
<a name="1293"><span class="lineNum"> 1293 </span><span class="lineCov"> 286 : if (*e != ':') {</span></a>
<a name="1294"><span class="lineNum"> 1294 </span> : /* LCOV_EXCL_START */</a>
<a name="1295"><span class="lineNum"> 1295 </span> : log_fatal(EEXTERNAL, &quot;Invalid format in '%s' for '%s'.\n&quot;, path, buf);</a>
<a name="1296"><span class="lineNum"> 1296 </span> : return 0;</a>
<a name="1297"><span class="lineNum"> 1297 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1298"><span class="lineNum"> 1298 </span> : }</a>
<a name="1299"><span class="lineNum"> 1299 </span> : </a>
<a name="1300"><span class="lineNum"> 1300 </span><span class="lineCov"> 286 : mi = strtoul(e + 1, &amp;e, 10);</span></a>
<a name="1301"><span class="lineNum"> 1301 </span><span class="lineCov"> 286 : if (*e != 0 &amp;&amp; !isspace(*e)) {</span></a>
<a name="1302"><span class="lineNum"> 1302 </span> : /* LCOV_EXCL_START */</a>
<a name="1303"><span class="lineNum"> 1303 </span> : log_fatal(EEXTERNAL, &quot;Invalid format in '%s' for '%s'.\n&quot;, path, buf);</a>
<a name="1304"><span class="lineNum"> 1304 </span> : return 0;</a>
<a name="1305"><span class="lineNum"> 1305 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1306"><span class="lineNum"> 1306 </span> : }</a>
<a name="1307"><span class="lineNum"> 1307 </span> : </a>
<a name="1308"><span class="lineNum"> 1308 </span><span class="lineCov"> 286 : return makedev(ma, mi);</span></a>
<a name="1309"><span class="lineNum"> 1309 </span> : }</a>
<a name="1310"><span class="lineNum"> 1310 </span> : #endif</a>
<a name="1311"><span class="lineNum"> 1311 </span> : </a>
<a name="1312"><span class="lineNum"> 1312 </span> : /**</a>
<a name="1313"><span class="lineNum"> 1313 </span> : * Read a device tree filling the specified list of disk_t entries.</a>
<a name="1314"><span class="lineNum"> 1314 </span> : */</a>
<a name="1315"><span class="lineNum"> 1315 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1316"><span class="lineNum"> 1316 </span><span class="lineCov"> 286 : static int devtree(devinfo_t* parent, dev_t device, tommy_list* list)</span></a>
<a name="1317"><span class="lineNum"> 1317 </span> : {</a>
<a name="1318"><span class="lineNum"> 1318 </span> : char path[PATH_MAX];</a>
<a name="1319"><span class="lineNum"> 1319 </span> : DIR* d;</a>
<a name="1320"><span class="lineNum"> 1320 </span><span class="lineCov"> 286 : int slaves = 0;</span></a>
<a name="1321"><span class="lineNum"> 1321 </span> : </a>
<a name="1322"><span class="lineNum"> 1322 </span><span class="lineCov"> 286 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u/slaves&quot;, major(device), minor(device));</span></a>
<a name="1323"><span class="lineNum"> 1323 </span> : </a>
<a name="1324"><span class="lineNum"> 1324 </span> : /* check if there is a slaves list */</a>
<a name="1325"><span class="lineNum"> 1325 </span><span class="lineCov"> 286 : d = opendir(path);</span></a>
<a name="1326"><span class="lineNum"> 1326 </span><span class="lineCov"> 286 : if (d != 0) {</span></a>
<a name="1327"><span class="lineNum"> 1327 </span> : struct dirent* dd;</a>
<a name="1328"><span class="lineNum"> 1328 </span> : </a>
<a name="1329"><span class="lineNum"> 1329 </span><span class="lineCov"> 564 : while ((dd = readdir(d)) != 0) {</span></a>
<a name="1330"><span class="lineNum"> 1330 </span><span class="lineCov"> 423 : if (dd-&gt;d_name[0] != '.') {</span></a>
<a name="1331"><span class="lineNum"> 1331 </span> : dev_t subdev;</a>
<a name="1332"><span class="lineNum"> 1332 </span> : </a>
<a name="1333"><span class="lineNum"> 1333 </span> : /* for each slave, expand the full potential tree */</a>
<a name="1334"><span class="lineNum"> 1334 </span><span class="lineCov"> 141 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u/slaves/%s/dev&quot;, major(device), minor(device), dd-&gt;d_name);</span></a>
<a name="1335"><span class="lineNum"> 1335 </span> : </a>
<a name="1336"><span class="lineNum"> 1336 </span><span class="lineCov"> 141 : subdev = devread(path);</span></a>
<a name="1337"><span class="lineNum"> 1337 </span><span class="lineCov"> 141 : if (!subdev) {</span></a>
<a name="1338"><span class="lineNum"> 1338 </span> : /* LCOV_EXCL_START */</a>
<a name="1339"><span class="lineNum"> 1339 </span> : closedir(d);</a>
<a name="1340"><span class="lineNum"> 1340 </span> : return -1;</a>
<a name="1341"><span class="lineNum"> 1341 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1342"><span class="lineNum"> 1342 </span> : }</a>
<a name="1343"><span class="lineNum"> 1343 </span> : </a>
<a name="1344"><span class="lineNum"> 1344 </span><span class="lineCov"> 141 : if (devtree(parent, subdev, list) != 0) {</span></a>
<a name="1345"><span class="lineNum"> 1345 </span> : /* LCOV_EXCL_START */</a>
<a name="1346"><span class="lineNum"> 1346 </span> : closedir(d);</a>
<a name="1347"><span class="lineNum"> 1347 </span> : return -1;</a>
<a name="1348"><span class="lineNum"> 1348 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1349"><span class="lineNum"> 1349 </span> : }</a>
<a name="1350"><span class="lineNum"> 1350 </span> : </a>
<a name="1351"><span class="lineNum"> 1351 </span><span class="lineCov"> 141 : ++slaves;</span></a>
<a name="1352"><span class="lineNum"> 1352 </span> : }</a>
<a name="1353"><span class="lineNum"> 1353 </span> : }</a>
<a name="1354"><span class="lineNum"> 1354 </span> : </a>
<a name="1355"><span class="lineNum"> 1355 </span><span class="lineCov"> 141 : closedir(d);</span></a>
<a name="1356"><span class="lineNum"> 1356 </span> : }</a>
<a name="1357"><span class="lineNum"> 1357 </span> : </a>
<a name="1358"><span class="lineNum"> 1358 </span> : /* if no slaves found */</a>
<a name="1359"><span class="lineNum"> 1359 </span><span class="lineCov"> 286 : if (!slaves) {</span></a>
<a name="1360"><span class="lineNum"> 1360 </span> : /* this is a raw device */</a>
<a name="1361"><span class="lineNum"> 1361 </span> : devinfo_t* devinfo;</a>
<a name="1362"><span class="lineNum"> 1362 </span> : </a>
<a name="1363"><span class="lineNum"> 1363 </span> : /* check if it's a real device */</a>
<a name="1364"><span class="lineNum"> 1364 </span><span class="lineCov"> 145 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u/device&quot;, major(device), minor(device));</span></a>
<a name="1365"><span class="lineNum"> 1365 </span><span class="lineCov"> 145 : if (access(path, F_OK) != 0) {</span></a>
<a name="1366"><span class="lineNum"> 1366 </span> : /* get the parent device */</a>
<a name="1367"><span class="lineNum"> 1367 </span><span class="lineCov"> 145 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u/../dev&quot;, major(device), minor(device));</span></a>
<a name="1368"><span class="lineNum"> 1368 </span> : </a>
<a name="1369"><span class="lineNum"> 1369 </span><span class="lineCov"> 145 : device = devread(path);</span></a>
<a name="1370"><span class="lineNum"> 1370 </span><span class="lineCov"> 145 : if (!device) {</span></a>
<a name="1371"><span class="lineNum"> 1371 </span> : /* LCOV_EXCL_START */</a>
<a name="1372"><span class="lineNum"> 1372 </span> : return -1;</a>
<a name="1373"><span class="lineNum"> 1373 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1374"><span class="lineNum"> 1374 </span> : }</a>
<a name="1375"><span class="lineNum"> 1375 </span> : }</a>
<a name="1376"><span class="lineNum"> 1376 </span> : </a>
<a name="1377"><span class="lineNum"> 1377 </span> : /* get the device file */</a>
<a name="1378"><span class="lineNum"> 1378 </span><span class="lineCov"> 145 : if (devresolve(device, path, sizeof(path)) != 0) {</span></a>
<a name="1379"><span class="lineNum"> 1379 </span> : /* LCOV_EXCL_START */</a>
<a name="1380"><span class="lineNum"> 1380 </span> : log_fatal(EEXTERNAL, &quot;Failed to resolve device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1381"><span class="lineNum"> 1381 </span> : return -1;</a>
<a name="1382"><span class="lineNum"> 1382 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1383"><span class="lineNum"> 1383 </span> : }</a>
<a name="1384"><span class="lineNum"> 1384 </span> : </a>
<a name="1385"><span class="lineNum"> 1385 </span><span class="lineCov"> 145 : devinfo = calloc_nofail(1, sizeof(devinfo_t));</span></a>
<a name="1386"><span class="lineNum"> 1386 </span> : </a>
<a name="1387"><span class="lineNum"> 1387 </span><span class="lineCov"> 145 : devinfo-&gt;device = device;</span></a>
<a name="1388"><span class="lineNum"> 1388 </span><span class="lineCov"> 145 : pathcpy(devinfo-&gt;name, sizeof(devinfo-&gt;name), parent-&gt;name);</span></a>
<a name="1389"><span class="lineNum"> 1389 </span><span class="lineCov"> 145 : pathcpy(devinfo-&gt;smartctl, sizeof(devinfo-&gt;smartctl), parent-&gt;smartctl);</span></a>
<a name="1390"><span class="lineNum"> 1390 </span><span class="lineCov"> 145 : memcpy(devinfo-&gt;smartignore, parent-&gt;smartignore, sizeof(devinfo-&gt;smartignore));</span></a>
<a name="1391"><span class="lineNum"> 1391 </span><span class="lineCov"> 145 : pathcpy(devinfo-&gt;file, sizeof(devinfo-&gt;file), path);</span></a>
<a name="1392"><span class="lineNum"> 1392 </span><span class="lineCov"> 145 : devinfo-&gt;parent = parent;</span></a>
<a name="1393"><span class="lineNum"> 1393 </span> : </a>
<a name="1394"><span class="lineNum"> 1394 </span> : /* insert in the list */</a>
<a name="1395"><span class="lineNum"> 1395 </span><span class="lineCov"> 145 : tommy_list_insert_tail(list, &amp;devinfo-&gt;node, devinfo);</span></a>
<a name="1396"><span class="lineNum"> 1396 </span> : }</a>
<a name="1397"><span class="lineNum"> 1397 </span> : </a>
<a name="1398"><span class="lineNum"> 1398 </span><span class="lineCov"> 286 : return 0;</span></a>
<a name="1399"><span class="lineNum"> 1399 </span> : }</a>
<a name="1400"><span class="lineNum"> 1400 </span> : #endif</a>
<a name="1401"><span class="lineNum"> 1401 </span> : </a>
<a name="1402"><span class="lineNum"> 1402 </span> : /**</a>
<a name="1403"><span class="lineNum"> 1403 </span> : * Compute disk usage by aggregating access statistics.</a>
<a name="1404"><span class="lineNum"> 1404 </span> : */</a>
<a name="1405"><span class="lineNum"> 1405 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1406"><span class="lineNum"> 1406 </span><span class="lineCov"> 145 : static int devstat(dev_t device, uint64_t* count)</span></a>
<a name="1407"><span class="lineNum"> 1407 </span> : {</a>
<a name="1408"><span class="lineNum"> 1408 </span> : char path[PATH_MAX];</a>
<a name="1409"><span class="lineNum"> 1409 </span> : char buf[512];</a>
<a name="1410"><span class="lineNum"> 1410 </span> : int token;</a>
<a name="1411"><span class="lineNum"> 1411 </span> : int ret;</a>
<a name="1412"><span class="lineNum"> 1412 </span> : char* i;</a>
<a name="1413"><span class="lineNum"> 1413 </span> : </a>
<a name="1414"><span class="lineNum"> 1414 </span><span class="lineCov"> 145 : *count = 0;</span></a>
<a name="1415"><span class="lineNum"> 1415 </span> : </a>
<a name="1416"><span class="lineNum"> 1416 </span><span class="lineCov"> 145 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u/stat&quot;, major(device), minor(device));</span></a>
<a name="1417"><span class="lineNum"> 1417 </span> : </a>
<a name="1418"><span class="lineNum"> 1418 </span><span class="lineCov"> 145 : ret = sysread(path, buf, sizeof(buf));</span></a>
<a name="1419"><span class="lineNum"> 1419 </span><span class="lineCov"> 145 : if (ret &lt; 0) {</span></a>
<a name="1420"><span class="lineNum"> 1420 </span> : /* LCOV_EXCL_START */</a>
<a name="1421"><span class="lineNum"> 1421 </span> : log_fatal(errno, &quot;Failed to read '%s'.\n&quot;, path);</a>
<a name="1422"><span class="lineNum"> 1422 </span> : return -1;</a>
<a name="1423"><span class="lineNum"> 1423 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1424"><span class="lineNum"> 1424 </span> : }</a>
<a name="1425"><span class="lineNum"> 1425 </span><span class="lineCov"> 145 : if ((size_t)ret + 1 &gt; sizeof(buf)) {</span></a>
<a name="1426"><span class="lineNum"> 1426 </span> : /* LCOV_EXCL_START */</a>
<a name="1427"><span class="lineNum"> 1427 </span> : log_fatal(EEXTERNAL, &quot;Too long read '%s'.\n&quot;, path);</a>
<a name="1428"><span class="lineNum"> 1428 </span> : return -1;</a>
<a name="1429"><span class="lineNum"> 1429 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1430"><span class="lineNum"> 1430 </span> : }</a>
<a name="1431"><span class="lineNum"> 1431 </span> : </a>
<a name="1432"><span class="lineNum"> 1432 </span> : /* ending 0 */</a>
<a name="1433"><span class="lineNum"> 1433 </span><span class="lineCov"> 145 : buf[ret] = 0;</span></a>
<a name="1434"><span class="lineNum"> 1434 </span> : </a>
<a name="1435"><span class="lineNum"> 1435 </span><span class="lineCov"> 145 : i = buf;</span></a>
<a name="1436"><span class="lineNum"> 1436 </span><span class="lineCov"> 145 : token = 1; /* token number */</span></a>
<a name="1437"><span class="lineNum"> 1437 </span><span class="lineCov"> 725 : while (*i) {</span></a>
<a name="1438"><span class="lineNum"> 1438 </span> : char* n;</a>
<a name="1439"><span class="lineNum"> 1439 </span> : char* e;</a>
<a name="1440"><span class="lineNum"> 1440 </span> : unsigned long long v;</a>
<a name="1441"><span class="lineNum"> 1441 </span> : </a>
<a name="1442"><span class="lineNum"> 1442 </span> : /* skip spaces */</a>
<a name="1443"><span class="lineNum"> 1443 </span><span class="lineCov"> 2206 : while (*i &amp;&amp; isspace(*i))</span></a>
<a name="1444"><span class="lineNum"> 1444 </span><span class="lineCov"> 1481 : ++i;</span></a>
<a name="1445"><span class="lineNum"> 1445 </span> : </a>
<a name="1446"><span class="lineNum"> 1446 </span> : /* read digits */</a>
<a name="1447"><span class="lineNum"> 1447 </span><span class="lineCov"> 725 : n = i;</span></a>
<a name="1448"><span class="lineNum"> 1448 </span><span class="lineCov"> 5251 : while (*i &amp;&amp; isdigit(*i))</span></a>
<a name="1449"><span class="lineNum"> 1449 </span><span class="lineCov"> 4526 : ++i;</span></a>
<a name="1450"><span class="lineNum"> 1450 </span> : </a>
<a name="1451"><span class="lineNum"> 1451 </span><span class="lineCov"> 725 : if (i == n) /* if no digit, abort */</span></a>
<a name="1452"><span class="lineNum"> 1452 </span><span class="lineCov"> 145 : break;</span></a>
<a name="1453"><span class="lineNum"> 1453 </span><span class="lineCov"> 725 : if (*i == 0 || !isspace(*i)) /* if no space, abort */</span></a>
<a name="1454"><span class="lineNum"> 1454 </span> : break;</a>
<a name="1455"><span class="lineNum"> 1455 </span><span class="lineCov"> 725 : *i++ = 0; /* put a terminator */</span></a>
<a name="1456"><span class="lineNum"> 1456 </span> : </a>
<a name="1457"><span class="lineNum"> 1457 </span><span class="lineCov"> 725 : v = strtoull(n, &amp;e, 10);</span></a>
<a name="1458"><span class="lineNum"> 1458 </span><span class="lineCov"> 725 : if (*e != 0)</span></a>
<a name="1459"><span class="lineNum"> 1459 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="1460"><span class="lineNum"> 1460 </span> : </a>
<a name="1461"><span class="lineNum"> 1461 </span> : /* sum reads and writes completed */</a>
<a name="1462"><span class="lineNum"> 1462 </span><span class="lineCov"> 725 : if (token == 1 || token == 5) {</span></a>
<a name="1463"><span class="lineNum"> 1463 </span><span class="lineCov"> 290 : *count += v;</span></a>
<a name="1464"><span class="lineNum"> 1464 </span><span class="lineCov"> 290 : if (token == 5)</span></a>
<a name="1465"><span class="lineNum"> 1465 </span><span class="lineCov"> 145 : break; /* stop here */</span></a>
<a name="1466"><span class="lineNum"> 1466 </span> : }</a>
<a name="1467"><span class="lineNum"> 1467 </span> : </a>
<a name="1468"><span class="lineNum"> 1468 </span><span class="lineCov"> 580 : ++token;</span></a>
<a name="1469"><span class="lineNum"> 1469 </span> : }</a>
<a name="1470"><span class="lineNum"> 1470 </span> : </a>
<a name="1471"><span class="lineNum"> 1471 </span><span class="lineCov"> 145 : return 0;</span></a>
<a name="1472"><span class="lineNum"> 1472 </span> : }</a>
<a name="1473"><span class="lineNum"> 1473 </span> : #endif</a>
<a name="1474"><span class="lineNum"> 1474 </span> : </a>
<a name="1475"><span class="lineNum"> 1475 </span> : /**</a>
<a name="1476"><span class="lineNum"> 1476 </span> : * Get SMART attributes.</a>
<a name="1477"><span class="lineNum"> 1477 </span> : */</a>
<a name="1478"><span class="lineNum"> 1478 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1479"><span class="lineNum"> 1479 </span><span class="lineCov"> 26 : static int devsmart(dev_t device, const char* name, const char* smartctl, struct smart_attr* smart, uint64_t* info, char* serial, char* family, char* model, char* interface)</span></a>
<a name="1480"><span class="lineNum"> 1480 </span> : {</a>
<a name="1481"><span class="lineNum"> 1481 </span> : char cmd[PATH_MAX + 64];</a>
<a name="1482"><span class="lineNum"> 1482 </span> : char file[PATH_MAX];</a>
<a name="1483"><span class="lineNum"> 1483 </span> : FILE* f;</a>
<a name="1484"><span class="lineNum"> 1484 </span> : int ret;</a>
<a name="1485"><span class="lineNum"> 1485 </span> : const char* x;</a>
<a name="1486"><span class="lineNum"> 1486 </span> : </a>
<a name="1487"><span class="lineNum"> 1487 </span><span class="lineCov"> 26 : x = find_smartctl();</span></a>
<a name="1488"><span class="lineNum"> 1488 </span><span class="lineCov"> 26 : if (!x) {</span></a>
<a name="1489"><span class="lineNum"> 1489 </span> : /* LCOV_EXCL_START */</a>
<a name="1490"><span class="lineNum"> 1490 </span> : log_fatal(EEXTERNAL, &quot;Cannot find smartctl.\n&quot;);</a>
<a name="1491"><span class="lineNum"> 1491 </span> : return -1;</a>
<a name="1492"><span class="lineNum"> 1492 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1493"><span class="lineNum"> 1493 </span> : }</a>
<a name="1494"><span class="lineNum"> 1494 </span> : </a>
<a name="1495"><span class="lineNum"> 1495 </span><span class="lineCov"> 26 : if (devresolve(device, file, sizeof(file)) != 0) {</span></a>
<a name="1496"><span class="lineNum"> 1496 </span> : /* LCOV_EXCL_START */</a>
<a name="1497"><span class="lineNum"> 1497 </span> : log_fatal(EEXTERNAL, &quot;Failed to resolve device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1498"><span class="lineNum"> 1498 </span> : return -1;</a>
<a name="1499"><span class="lineNum"> 1499 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1500"><span class="lineNum"> 1500 </span> : }</a>
<a name="1501"><span class="lineNum"> 1501 </span> : </a>
<a name="1502"><span class="lineNum"> 1502 </span> : /* if there is a custom smartctl command */</a>
<a name="1503"><span class="lineNum"> 1503 </span><span class="lineCov"> 26 : if (smartctl[0]) {</span></a>
<a name="1504"><span class="lineNum"> 1504 </span> : char option[PATH_MAX];</a>
<a name="1505"><span class="lineNum"> 1505 </span><span class="lineNoCov"> 0 : snprintf(option, sizeof(option), smartctl, file);</span></a>
<a name="1506"><span class="lineNum"> 1506 </span><span class="lineNoCov"> 0 : snprintf(cmd, sizeof(cmd), &quot;%s -a %s&quot;, x, option);</span></a>
<a name="1507"><span class="lineNum"> 1507 </span> : } else {</a>
<a name="1508"><span class="lineNum"> 1508 </span><span class="lineCov"> 26 : snprintf(cmd, sizeof(cmd), &quot;%s -a %s&quot;, x, file);</span></a>
<a name="1509"><span class="lineNum"> 1509 </span> : }</a>
<a name="1510"><span class="lineNum"> 1510 </span> : </a>
<a name="1511"><span class="lineNum"> 1511 </span><span class="lineCov"> 26 : log_tag(&quot;smartctl:%s:%s:run: %s\n&quot;, file, name, cmd);</span></a>
<a name="1512"><span class="lineNum"> 1512 </span> : </a>
<a name="1513"><span class="lineNum"> 1513 </span><span class="lineCov"> 26 : f = popen(cmd, &quot;r&quot;);</span></a>
<a name="1514"><span class="lineNum"> 1514 </span><span class="lineCov"> 26 : if (!f) {</span></a>
<a name="1515"><span class="lineNum"> 1515 </span> : /* LCOV_EXCL_START */</a>
<a name="1516"><span class="lineNum"> 1516 </span> : log_tag(&quot;device:%s:%s:shell\n&quot;, file, name);</a>
<a name="1517"><span class="lineNum"> 1517 </span> : log_fatal(EEXTERNAL, &quot;Failed to run '%s' (from popen).\n&quot;, cmd);</a>
<a name="1518"><span class="lineNum"> 1518 </span> : return -1;</a>
<a name="1519"><span class="lineNum"> 1519 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1520"><span class="lineNum"> 1520 </span> : }</a>
<a name="1521"><span class="lineNum"> 1521 </span> : </a>
<a name="1522"><span class="lineNum"> 1522 </span><span class="lineCov"> 26 : if (smartctl_attribute(f, file, name, smart, info, serial, family, model, interface) != 0) {</span></a>
<a name="1523"><span class="lineNum"> 1523 </span> : /* LCOV_EXCL_START */</a>
<a name="1524"><span class="lineNum"> 1524 </span> : pclose(f);</a>
<a name="1525"><span class="lineNum"> 1525 </span> : log_tag(&quot;device:%s:%s:shell\n&quot;, file, name);</a>
<a name="1526"><span class="lineNum"> 1526 </span> : return -1;</a>
<a name="1527"><span class="lineNum"> 1527 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1528"><span class="lineNum"> 1528 </span> : }</a>
<a name="1529"><span class="lineNum"> 1529 </span> : </a>
<a name="1530"><span class="lineNum"> 1530 </span><span class="lineCov"> 26 : ret = pclose(f);</span></a>
<a name="1531"><span class="lineNum"> 1531 </span> : </a>
<a name="1532"><span class="lineNum"> 1532 </span><span class="lineCov"> 26 : log_tag(&quot;smartctl:%s:%s:ret: %x\n&quot;, file, name, ret);</span></a>
<a name="1533"><span class="lineNum"> 1533 </span> : </a>
<a name="1534"><span class="lineNum"> 1534 </span><span class="lineCov"> 26 : if (!WIFEXITED(ret)) {</span></a>
<a name="1535"><span class="lineNum"> 1535 </span> : /* LCOV_EXCL_START */</a>
<a name="1536"><span class="lineNum"> 1536 </span> : log_tag(&quot;device:%s:%s:abort\n&quot;, file, name);</a>
<a name="1537"><span class="lineNum"> 1537 </span> : log_fatal(EEXTERNAL, &quot;Failed to run '%s' (not exited).\n&quot;, cmd);</a>
<a name="1538"><span class="lineNum"> 1538 </span> : return -1;</a>
<a name="1539"><span class="lineNum"> 1539 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1540"><span class="lineNum"> 1540 </span> : }</a>
<a name="1541"><span class="lineNum"> 1541 </span><span class="lineCov"> 26 : if (WEXITSTATUS(ret) == 127) {</span></a>
<a name="1542"><span class="lineNum"> 1542 </span> : /* LCOV_EXCL_START */</a>
<a name="1543"><span class="lineNum"> 1543 </span> : log_tag(&quot;device:%s:%s:shell\n&quot;, file, name);</a>
<a name="1544"><span class="lineNum"> 1544 </span> : log_fatal(EEXTERNAL, &quot;Failed to run '%s' (from sh).\n&quot;, cmd);</a>
<a name="1545"><span class="lineNum"> 1545 </span> : return -1;</a>
<a name="1546"><span class="lineNum"> 1546 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1547"><span class="lineNum"> 1547 </span> : }</a>
<a name="1548"><span class="lineNum"> 1548 </span> : </a>
<a name="1549"><span class="lineNum"> 1549 </span> : /* store the return smartctl return value */</a>
<a name="1550"><span class="lineNum"> 1550 </span><span class="lineCov"> 26 : smart[SMART_FLAGS].raw = WEXITSTATUS(ret);</span></a>
<a name="1551"><span class="lineNum"> 1551 </span> : </a>
<a name="1552"><span class="lineNum"> 1552 </span><span class="lineCov"> 26 : return 0;</span></a>
<a name="1553"><span class="lineNum"> 1553 </span> : }</a>
<a name="1554"><span class="lineNum"> 1554 </span> : #endif</a>
<a name="1555"><span class="lineNum"> 1555 </span> : </a>
<a name="1556"><span class="lineNum"> 1556 </span> : /**</a>
<a name="1557"><span class="lineNum"> 1557 </span> : * Get device attributes.</a>
<a name="1558"><span class="lineNum"> 1558 </span> : */</a>
<a name="1559"><span class="lineNum"> 1559 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1560"><span class="lineNum"> 1560 </span><span class="lineCov"> 54 : static void devattr(dev_t device, uint64_t* info, char* serial, char* family, char* model, char* interface)</span></a>
<a name="1561"><span class="lineNum"> 1561 </span> : {</a>
<a name="1562"><span class="lineNum"> 1562 </span> : char path[PATH_MAX];</a>
<a name="1563"><span class="lineNum"> 1563 </span> : char buf[512];</a>
<a name="1564"><span class="lineNum"> 1564 </span> : int ret;</a>
<a name="1565"><span class="lineNum"> 1565 </span> : </a>
<a name="1566"><span class="lineNum"> 1566 </span> : (void)family; /* not available, smartctl uses an internal database to get it */</a>
<a name="1567"><span class="lineNum"> 1567 </span> : </a>
<a name="1568"><span class="lineNum"> 1568 </span><span class="lineCov"> 54 : if (info[INFO_SIZE] == SMART_UNASSIGNED) {</span></a>
<a name="1569"><span class="lineNum"> 1569 </span><span class="lineCov"> 12 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u/size&quot;, major(device), minor(device));</span></a>
<a name="1570"><span class="lineNum"> 1570 </span><span class="lineCov"> 12 : if (sysattr(path, buf, sizeof(buf)) == 0) {</span></a>
<a name="1571"><span class="lineNum"> 1571 </span> : char* e;</a>
<a name="1572"><span class="lineNum"> 1572 </span> : uint64_t v;</a>
<a name="1573"><span class="lineNum"> 1573 </span><span class="lineCov"> 12 : v = strtoul(buf, &amp;e, 10);</span></a>
<a name="1574"><span class="lineNum"> 1574 </span><span class="lineCov"> 12 : if (*e == 0)</span></a>
<a name="1575"><span class="lineNum"> 1575 </span><span class="lineCov"> 12 : info[INFO_SIZE] = v * 512;</span></a>
<a name="1576"><span class="lineNum"> 1576 </span> : }</a>
<a name="1577"><span class="lineNum"> 1577 </span> : }</a>
<a name="1578"><span class="lineNum"> 1578 </span> : </a>
<a name="1579"><span class="lineNum"> 1579 </span><span class="lineCov"> 54 : if (info[INFO_ROTATION_RATE] == SMART_UNASSIGNED) {</span></a>
<a name="1580"><span class="lineNum"> 1580 </span><span class="lineCov"> 12 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u/queue/rotational&quot;, major(device), minor(device));</span></a>
<a name="1581"><span class="lineNum"> 1581 </span><span class="lineCov"> 12 : if (sysattr(path, buf, sizeof(buf)) == 0) {</span></a>
<a name="1582"><span class="lineNum"> 1582 </span> : char* e;</a>
<a name="1583"><span class="lineNum"> 1583 </span> : uint64_t v;</a>
<a name="1584"><span class="lineNum"> 1584 </span><span class="lineCov"> 12 : v = strtoul(buf, &amp;e, 10);</span></a>
<a name="1585"><span class="lineNum"> 1585 </span><span class="lineCov"> 12 : if (*e == 0)</span></a>
<a name="1586"><span class="lineNum"> 1586 </span><span class="lineCov"> 12 : info[INFO_ROTATION_RATE] = v;</span></a>
<a name="1587"><span class="lineNum"> 1587 </span> : }</a>
<a name="1588"><span class="lineNum"> 1588 </span> : }</a>
<a name="1589"><span class="lineNum"> 1589 </span> : </a>
<a name="1590"><span class="lineNum"> 1590 </span><span class="lineCov"> 54 : if (*model == 0) {</span></a>
<a name="1591"><span class="lineNum"> 1591 </span><span class="lineCov"> 12 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u/device/model&quot;, major(device), minor(device));</span></a>
<a name="1592"><span class="lineNum"> 1592 </span><span class="lineCov"> 12 : if (sysattr(path, buf, sizeof(buf)) == 0) {</span></a>
<a name="1593"><span class="lineNum"> 1593 </span><span class="lineCov"> 12 : if (buf[0] != 0)</span></a>
<a name="1594"><span class="lineNum"> 1594 </span><span class="lineCov"> 12 : pathcpy(model, SMART_MAX, buf);</span></a>
<a name="1595"><span class="lineNum"> 1595 </span> : }</a>
<a name="1596"><span class="lineNum"> 1596 </span> : }</a>
<a name="1597"><span class="lineNum"> 1597 </span> : </a>
<a name="1598"><span class="lineNum"> 1598 </span><span class="lineCov"> 54 : if (*serial == 0) {</span></a>
<a name="1599"><span class="lineNum"> 1599 </span><span class="lineCov"> 54 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u/device/serial&quot;, major(device), minor(device));</span></a>
<a name="1600"><span class="lineNum"> 1600 </span><span class="lineCov"> 54 : if (sysattr(path, buf, sizeof(buf)) == 0) {</span></a>
<a name="1601"><span class="lineNum"> 1601 </span><span class="lineNoCov"> 0 : if (buf[0] != 0)</span></a>
<a name="1602"><span class="lineNum"> 1602 </span><span class="lineNoCov"> 0 : pathcpy(serial, SMART_MAX, buf);</span></a>
<a name="1603"><span class="lineNum"> 1603 </span> : }</a>
<a name="1604"><span class="lineNum"> 1604 </span> : }</a>
<a name="1605"><span class="lineNum"> 1605 </span> : </a>
<a name="1606"><span class="lineNum"> 1606 </span><span class="lineCov"> 54 : if (*serial == 0) {</span></a>
<a name="1607"><span class="lineNum"> 1607 </span> : // --- Page 0x80: Unit Serial Number ---</a>
<a name="1608"><span class="lineNum"> 1608 </span><span class="lineCov"> 54 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u/device/vpd_pg80&quot;, major(device), minor(device));</span></a>
<a name="1609"><span class="lineNum"> 1609 </span><span class="lineCov"> 54 : ret = sysread(path, buf, sizeof(buf));</span></a>
<a name="1610"><span class="lineNum"> 1610 </span><span class="lineCov"> 54 : if (ret &gt; 4) {</span></a>
<a name="1611"><span class="lineNum"> 1611 </span><span class="lineCov"> 54 : unsigned len = (unsigned char)buf[3];</span></a>
<a name="1612"><span class="lineNum"> 1612 </span><span class="lineCov"> 54 : if (4 + len &lt;= (size_t)ret &amp;&amp; 4 + len + 1 &lt;= sizeof(buf)) {</span></a>
<a name="1613"><span class="lineNum"> 1613 </span><span class="lineCov"> 54 : char* attr = buf + 4;</span></a>
<a name="1614"><span class="lineNum"> 1614 </span><span class="lineCov"> 54 : attr[len] = 0;</span></a>
<a name="1615"><span class="lineNum"> 1615 </span><span class="lineCov"> 54 : strtrim(attr);</span></a>
<a name="1616"><span class="lineNum"> 1616 </span><span class="lineCov"> 54 : if (*attr)</span></a>
<a name="1617"><span class="lineNum"> 1617 </span><span class="lineCov"> 54 : pathcpy(serial, SMART_MAX, attr);</span></a>
<a name="1618"><span class="lineNum"> 1618 </span> : }</a>
<a name="1619"><span class="lineNum"> 1619 </span> : }</a>
<a name="1620"><span class="lineNum"> 1620 </span> : }</a>
<a name="1621"><span class="lineNum"> 1621 </span> : </a>
<a name="1622"><span class="lineNum"> 1622 </span> : /* always override interface if it's usb */</a>
<a name="1623"><span class="lineNum"> 1623 </span><span class="lineCov"> 54 : pathprint(path, sizeof(path), &quot;/sys/dev/block/%u:%u&quot;, major(device), minor(device));</span></a>
<a name="1624"><span class="lineNum"> 1624 </span><span class="lineCov"> 54 : ret = readlink(path, buf, sizeof(buf));</span></a>
<a name="1625"><span class="lineNum"> 1625 </span><span class="lineCov"> 54 : if (ret &gt; 0 &amp;&amp; (unsigned)ret &lt; sizeof(buf)) {</span></a>
<a name="1626"><span class="lineNum"> 1626 </span><span class="lineCov"> 54 : buf[ret] = 0;</span></a>
<a name="1627"><span class="lineNum"> 1627 </span><span class="lineCov"> 54 : if (strstr(buf, &quot;usb&quot;) != 0)</span></a>
<a name="1628"><span class="lineNum"> 1628 </span><span class="lineNoCov"> 0 : strcpy(interface, &quot;USB&quot;);</span></a>
<a name="1629"><span class="lineNum"> 1629 </span> : }</a>
<a name="1630"><span class="lineNum"> 1630 </span><span class="lineCov"> 54 : }</span></a>
<a name="1631"><span class="lineNum"> 1631 </span> : #endif</a>
<a name="1632"><span class="lineNum"> 1632 </span> : </a>
<a name="1633"><span class="lineNum"> 1633 </span> : /**</a>
<a name="1634"><span class="lineNum"> 1634 </span> : * Get POWER state.</a>
<a name="1635"><span class="lineNum"> 1635 </span> : */</a>
<a name="1636"><span class="lineNum"> 1636 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1637"><span class="lineNum"> 1637 </span><span class="lineCov"> 28 : static int devprobe(dev_t device, const char* name, const char* smartctl, int* power, struct smart_attr* smart, uint64_t* info, char* serial, char* family, char* model, char* interface)</span></a>
<a name="1638"><span class="lineNum"> 1638 </span> : {</a>
<a name="1639"><span class="lineNum"> 1639 </span> : char cmd[PATH_MAX + 64];</a>
<a name="1640"><span class="lineNum"> 1640 </span> : char file[PATH_MAX];</a>
<a name="1641"><span class="lineNum"> 1641 </span> : FILE* f;</a>
<a name="1642"><span class="lineNum"> 1642 </span> : int ret;</a>
<a name="1643"><span class="lineNum"> 1643 </span> : const char* x;</a>
<a name="1644"><span class="lineNum"> 1644 </span> : </a>
<a name="1645"><span class="lineNum"> 1645 </span><span class="lineCov"> 28 : x = find_smartctl();</span></a>
<a name="1646"><span class="lineNum"> 1646 </span><span class="lineCov"> 28 : if (!x) {</span></a>
<a name="1647"><span class="lineNum"> 1647 </span> : /* LCOV_EXCL_START */</a>
<a name="1648"><span class="lineNum"> 1648 </span> : log_fatal(EEXTERNAL, &quot;Cannot find smartctl.\n&quot;);</a>
<a name="1649"><span class="lineNum"> 1649 </span> : return -1;</a>
<a name="1650"><span class="lineNum"> 1650 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1651"><span class="lineNum"> 1651 </span> : }</a>
<a name="1652"><span class="lineNum"> 1652 </span> : </a>
<a name="1653"><span class="lineNum"> 1653 </span><span class="lineCov"> 28 : if (devresolve(device, file, sizeof(file)) != 0) {</span></a>
<a name="1654"><span class="lineNum"> 1654 </span> : /* LCOV_EXCL_START */</a>
<a name="1655"><span class="lineNum"> 1655 </span> : log_fatal(EEXTERNAL, &quot;Failed to resolve device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1656"><span class="lineNum"> 1656 </span> : return -1;</a>
<a name="1657"><span class="lineNum"> 1657 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1658"><span class="lineNum"> 1658 </span> : }</a>
<a name="1659"><span class="lineNum"> 1659 </span> : </a>
<a name="1660"><span class="lineNum"> 1660 </span> : /* if there is a custom smartctl command */</a>
<a name="1661"><span class="lineNum"> 1661 </span><span class="lineCov"> 28 : if (smartctl[0]) {</span></a>
<a name="1662"><span class="lineNum"> 1662 </span> : char option[PATH_MAX];</a>
<a name="1663"><span class="lineNum"> 1663 </span><span class="lineNoCov"> 0 : snprintf(option, sizeof(option), smartctl, file);</span></a>
<a name="1664"><span class="lineNum"> 1664 </span><span class="lineNoCov"> 0 : snprintf(cmd, sizeof(cmd), &quot;%s -n standby,3 -a %s&quot;, x, option);</span></a>
<a name="1665"><span class="lineNum"> 1665 </span> : } else {</a>
<a name="1666"><span class="lineNum"> 1666 </span><span class="lineCov"> 28 : snprintf(cmd, sizeof(cmd), &quot;%s -n standby,3 -a %s&quot;, x, file);</span></a>
<a name="1667"><span class="lineNum"> 1667 </span> : }</a>
<a name="1668"><span class="lineNum"> 1668 </span> : </a>
<a name="1669"><span class="lineNum"> 1669 </span><span class="lineCov"> 28 : log_tag(&quot;smartctl:%s:%s:run: %s\n&quot;, file, name, cmd);</span></a>
<a name="1670"><span class="lineNum"> 1670 </span> : </a>
<a name="1671"><span class="lineNum"> 1671 </span><span class="lineCov"> 28 : f = popen(cmd, &quot;r&quot;);</span></a>
<a name="1672"><span class="lineNum"> 1672 </span><span class="lineCov"> 28 : if (!f) {</span></a>
<a name="1673"><span class="lineNum"> 1673 </span> : /* LCOV_EXCL_START */</a>
<a name="1674"><span class="lineNum"> 1674 </span> : log_tag(&quot;device:%s:%s:shell\n&quot;, file, name);</a>
<a name="1675"><span class="lineNum"> 1675 </span> : log_fatal(EEXTERNAL, &quot;Failed to run '%s' (from popen).\n&quot;, cmd);</a>
<a name="1676"><span class="lineNum"> 1676 </span> : return -1;</a>
<a name="1677"><span class="lineNum"> 1677 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1678"><span class="lineNum"> 1678 </span> : }</a>
<a name="1679"><span class="lineNum"> 1679 </span> : </a>
<a name="1680"><span class="lineNum"> 1680 </span><span class="lineCov"> 28 : if (smartctl_attribute(f, file, name, smart, info, serial, family, model, interface) != 0) {</span></a>
<a name="1681"><span class="lineNum"> 1681 </span> : /* LCOV_EXCL_START */</a>
<a name="1682"><span class="lineNum"> 1682 </span> : pclose(f);</a>
<a name="1683"><span class="lineNum"> 1683 </span> : log_tag(&quot;device:%s:%s:shell\n&quot;, file, name);</a>
<a name="1684"><span class="lineNum"> 1684 </span> : return -1;</a>
<a name="1685"><span class="lineNum"> 1685 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1686"><span class="lineNum"> 1686 </span> : }</a>
<a name="1687"><span class="lineNum"> 1687 </span> : </a>
<a name="1688"><span class="lineNum"> 1688 </span><span class="lineCov"> 28 : ret = pclose(f);</span></a>
<a name="1689"><span class="lineNum"> 1689 </span> : </a>
<a name="1690"><span class="lineNum"> 1690 </span><span class="lineCov"> 28 : log_tag(&quot;smartctl:%s:%s:ret: %x\n&quot;, file, name, ret);</span></a>
<a name="1691"><span class="lineNum"> 1691 </span> : </a>
<a name="1692"><span class="lineNum"> 1692 </span><span class="lineCov"> 28 : if (!WIFEXITED(ret)) {</span></a>
<a name="1693"><span class="lineNum"> 1693 </span> : /* LCOV_EXCL_START */</a>
<a name="1694"><span class="lineNum"> 1694 </span> : log_tag(&quot;device:%s:%s:abort\n&quot;, file, name);</a>
<a name="1695"><span class="lineNum"> 1695 </span> : log_fatal(EEXTERNAL, &quot;Failed to run '%s' (not exited).\n&quot;, cmd);</a>
<a name="1696"><span class="lineNum"> 1696 </span> : return -1;</a>
<a name="1697"><span class="lineNum"> 1697 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1698"><span class="lineNum"> 1698 </span> : }</a>
<a name="1699"><span class="lineNum"> 1699 </span><span class="lineCov"> 28 : if (WEXITSTATUS(ret) == 127) {</span></a>
<a name="1700"><span class="lineNum"> 1700 </span> : /* LCOV_EXCL_START */</a>
<a name="1701"><span class="lineNum"> 1701 </span> : log_tag(&quot;device:%s:%s:shell\n&quot;, file, name);</a>
<a name="1702"><span class="lineNum"> 1702 </span> : log_fatal(EEXTERNAL, &quot;Failed to run '%s' (from sh).\n&quot;, cmd);</a>
<a name="1703"><span class="lineNum"> 1703 </span> : return -1;</a>
<a name="1704"><span class="lineNum"> 1704 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1705"><span class="lineNum"> 1705 </span> : }</a>
<a name="1706"><span class="lineNum"> 1706 </span> : </a>
<a name="1707"><span class="lineNum"> 1707 </span><span class="lineCov"> 28 : if (WEXITSTATUS(ret) == 3) {</span></a>
<a name="1708"><span class="lineNum"> 1708 </span><span class="lineCov"> 12 : log_tag(&quot;attr:%s:%s:power:standby\n&quot;, file, name);</span></a>
<a name="1709"><span class="lineNum"> 1709 </span><span class="lineCov"> 12 : *power = POWER_STANDBY;</span></a>
<a name="1710"><span class="lineNum"> 1710 </span> : } else {</a>
<a name="1711"><span class="lineNum"> 1711 </span><span class="lineCov"> 16 : log_tag(&quot;attr:%s:%s:power:active\n&quot;, file, name);</span></a>
<a name="1712"><span class="lineNum"> 1712 </span><span class="lineCov"> 16 : *power = POWER_ACTIVE;</span></a>
<a name="1713"><span class="lineNum"> 1713 </span> : </a>
<a name="1714"><span class="lineNum"> 1714 </span> : /* store the smartctl return value */</a>
<a name="1715"><span class="lineNum"> 1715 </span><span class="lineCov"> 16 : if (smart)</span></a>
<a name="1716"><span class="lineNum"> 1716 </span><span class="lineCov"> 16 : smart[SMART_FLAGS].raw = WEXITSTATUS(ret);</span></a>
<a name="1717"><span class="lineNum"> 1717 </span> : }</a>
<a name="1718"><span class="lineNum"> 1718 </span> : </a>
<a name="1719"><span class="lineNum"> 1719 </span><span class="lineCov"> 28 : return 0;</span></a>
<a name="1720"><span class="lineNum"> 1720 </span> : }</a>
<a name="1721"><span class="lineNum"> 1721 </span> : #endif</a>
<a name="1722"><span class="lineNum"> 1722 </span> : </a>
<a name="1723"><span class="lineNum"> 1723 </span> : /**</a>
<a name="1724"><span class="lineNum"> 1724 </span> : * Spin down a specific device.</a>
<a name="1725"><span class="lineNum"> 1725 </span> : */</a>
<a name="1726"><span class="lineNum"> 1726 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1727"><span class="lineNum"> 1727 </span><span class="lineCov"> 17 : static int devdown(dev_t device, const char* name, const char* smartctl)</span></a>
<a name="1728"><span class="lineNum"> 1728 </span> : {</a>
<a name="1729"><span class="lineNum"> 1729 </span> : char cmd[PATH_MAX + 64];</a>
<a name="1730"><span class="lineNum"> 1730 </span> : char file[PATH_MAX];</a>
<a name="1731"><span class="lineNum"> 1731 </span> : FILE* f;</a>
<a name="1732"><span class="lineNum"> 1732 </span> : int ret;</a>
<a name="1733"><span class="lineNum"> 1733 </span> : const char* x;</a>
<a name="1734"><span class="lineNum"> 1734 </span> : </a>
<a name="1735"><span class="lineNum"> 1735 </span><span class="lineCov"> 17 : x = find_smartctl();</span></a>
<a name="1736"><span class="lineNum"> 1736 </span><span class="lineCov"> 17 : if (!x) {</span></a>
<a name="1737"><span class="lineNum"> 1737 </span> : /* LCOV_EXCL_START */</a>
<a name="1738"><span class="lineNum"> 1738 </span> : log_fatal(EEXTERNAL, &quot;Cannot find smartctl.\n&quot;);</a>
<a name="1739"><span class="lineNum"> 1739 </span> : return -1;</a>
<a name="1740"><span class="lineNum"> 1740 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1741"><span class="lineNum"> 1741 </span> : }</a>
<a name="1742"><span class="lineNum"> 1742 </span> : </a>
<a name="1743"><span class="lineNum"> 1743 </span><span class="lineCov"> 17 : if (devresolve(device, file, sizeof(file)) != 0) {</span></a>
<a name="1744"><span class="lineNum"> 1744 </span> : /* LCOV_EXCL_START */</a>
<a name="1745"><span class="lineNum"> 1745 </span> : log_fatal(EEXTERNAL, &quot;Failed to resolve device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1746"><span class="lineNum"> 1746 </span> : return -1;</a>
<a name="1747"><span class="lineNum"> 1747 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1748"><span class="lineNum"> 1748 </span> : }</a>
<a name="1749"><span class="lineNum"> 1749 </span> : </a>
<a name="1750"><span class="lineNum"> 1750 </span> : /* if there is a custom smartctl command */</a>
<a name="1751"><span class="lineNum"> 1751 </span><span class="lineCov"> 17 : if (smartctl[0]) {</span></a>
<a name="1752"><span class="lineNum"> 1752 </span> : char option[PATH_MAX];</a>
<a name="1753"><span class="lineNum"> 1753 </span><span class="lineCov"> 5 : snprintf(option, sizeof(option), smartctl, file);</span></a>
<a name="1754"><span class="lineNum"> 1754 </span><span class="lineCov"> 5 : snprintf(cmd, sizeof(cmd), &quot;%s -s standby,now %s&quot;, x, option);</span></a>
<a name="1755"><span class="lineNum"> 1755 </span> : } else {</a>
<a name="1756"><span class="lineNum"> 1756 </span><span class="lineCov"> 12 : snprintf(cmd, sizeof(cmd), &quot;%s -s standby,now %s&quot;, x, file);</span></a>
<a name="1757"><span class="lineNum"> 1757 </span> : }</a>
<a name="1758"><span class="lineNum"> 1758 </span> : </a>
<a name="1759"><span class="lineNum"> 1759 </span><span class="lineCov"> 17 : log_tag(&quot;smartctl:%s:%s:run: %s\n&quot;, file, name, cmd);</span></a>
<a name="1760"><span class="lineNum"> 1760 </span> : </a>
<a name="1761"><span class="lineNum"> 1761 </span><span class="lineCov"> 17 : f = popen(cmd, &quot;r&quot;);</span></a>
<a name="1762"><span class="lineNum"> 1762 </span><span class="lineCov"> 17 : if (!f) {</span></a>
<a name="1763"><span class="lineNum"> 1763 </span> : /* LCOV_EXCL_START */</a>
<a name="1764"><span class="lineNum"> 1764 </span> : log_tag(&quot;device:%s:%s:shell\n&quot;, file, name);</a>
<a name="1765"><span class="lineNum"> 1765 </span> : log_fatal(EEXTERNAL, &quot;Failed to run '%s' (from popen).\n&quot;, cmd);</a>
<a name="1766"><span class="lineNum"> 1766 </span> : return -1;</a>
<a name="1767"><span class="lineNum"> 1767 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1768"><span class="lineNum"> 1768 </span> : }</a>
<a name="1769"><span class="lineNum"> 1769 </span> : </a>
<a name="1770"><span class="lineNum"> 1770 </span><span class="lineCov"> 17 : if (smartctl_flush(f, file, name) != 0) {</span></a>
<a name="1771"><span class="lineNum"> 1771 </span> : /* LCOV_EXCL_START */</a>
<a name="1772"><span class="lineNum"> 1772 </span> : pclose(f);</a>
<a name="1773"><span class="lineNum"> 1773 </span> : log_tag(&quot;device:%s:%s:shell\n&quot;, file, name);</a>
<a name="1774"><span class="lineNum"> 1774 </span> : return -1;</a>
<a name="1775"><span class="lineNum"> 1775 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1776"><span class="lineNum"> 1776 </span> : }</a>
<a name="1777"><span class="lineNum"> 1777 </span> : </a>
<a name="1778"><span class="lineNum"> 1778 </span><span class="lineCov"> 17 : ret = pclose(f);</span></a>
<a name="1779"><span class="lineNum"> 1779 </span> : </a>
<a name="1780"><span class="lineNum"> 1780 </span><span class="lineCov"> 17 : log_tag(&quot;smartctl:%s:%s:ret: %x\n&quot;, file, name, ret);</span></a>
<a name="1781"><span class="lineNum"> 1781 </span> : </a>
<a name="1782"><span class="lineNum"> 1782 </span><span class="lineCov"> 17 : if (!WIFEXITED(ret)) {</span></a>
<a name="1783"><span class="lineNum"> 1783 </span> : /* LCOV_EXCL_START */</a>
<a name="1784"><span class="lineNum"> 1784 </span> : log_tag(&quot;device:%s:%s:abort\n&quot;, file, name);</a>
<a name="1785"><span class="lineNum"> 1785 </span> : log_fatal(EEXTERNAL, &quot;Failed to run '%s' (not exited).\n&quot;, cmd);</a>
<a name="1786"><span class="lineNum"> 1786 </span> : return -1;</a>
<a name="1787"><span class="lineNum"> 1787 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1788"><span class="lineNum"> 1788 </span> : }</a>
<a name="1789"><span class="lineNum"> 1789 </span><span class="lineCov"> 17 : if (WEXITSTATUS(ret) == 127) {</span></a>
<a name="1790"><span class="lineNum"> 1790 </span> : /* LCOV_EXCL_START */</a>
<a name="1791"><span class="lineNum"> 1791 </span> : log_tag(&quot;device:%s:%s:shell\n&quot;, file, name);</a>
<a name="1792"><span class="lineNum"> 1792 </span> : log_fatal(EEXTERNAL, &quot;Failed to run '%s' (from sh).\n&quot;, cmd);</a>
<a name="1793"><span class="lineNum"> 1793 </span> : return -1;</a>
<a name="1794"><span class="lineNum"> 1794 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1795"><span class="lineNum"> 1795 </span> : }</a>
<a name="1796"><span class="lineNum"> 1796 </span><span class="lineCov"> 17 : if (WEXITSTATUS(ret) != 0) {</span></a>
<a name="1797"><span class="lineNum"> 1797 </span> : /* LCOV_EXCL_START */</a>
<a name="1798"><span class="lineNum"> 1798 </span> : log_tag(&quot;device:%s:%s:exit:%d\n&quot;, file, name, WEXITSTATUS(ret));</a>
<a name="1799"><span class="lineNum"> 1799 </span> : log_fatal(EEXTERNAL, &quot;Failed to run '%s' with return code %xh.\n&quot;, cmd, WEXITSTATUS(ret));</a>
<a name="1800"><span class="lineNum"> 1800 </span> : return -1;</a>
<a name="1801"><span class="lineNum"> 1801 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1802"><span class="lineNum"> 1802 </span> : }</a>
<a name="1803"><span class="lineNum"> 1803 </span> : </a>
<a name="1804"><span class="lineNum"> 1804 </span><span class="lineCov"> 12 : log_tag(&quot;attr:%s:%s:power:down\n&quot;, file, name);</span></a>
<a name="1805"><span class="lineNum"> 1805 </span> : </a>
<a name="1806"><span class="lineNum"> 1806 </span><span class="lineCov"> 12 : return 0;</span></a>
<a name="1807"><span class="lineNum"> 1807 </span> : }</a>
<a name="1808"><span class="lineNum"> 1808 </span> : #endif</a>
<a name="1809"><span class="lineNum"> 1809 </span> : </a>
<a name="1810"><span class="lineNum"> 1810 </span> : /**</a>
<a name="1811"><span class="lineNum"> 1811 </span> : * Spin down a specific device if it's up.</a>
<a name="1812"><span class="lineNum"> 1812 </span> : */</a>
<a name="1813"><span class="lineNum"> 1813 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1814"><span class="lineNum"> 1814 </span><span class="lineNoCov"> 0 : static int devdownifup(dev_t device, const char* name, const char* smartctl, int* power)</span></a>
<a name="1815"><span class="lineNum"> 1815 </span> : {</a>
<a name="1816"><span class="lineNum"> 1816 </span><span class="lineNoCov"> 0 : *power = POWER_UNKNOWN;</span></a>
<a name="1817"><span class="lineNum"> 1817 </span> : </a>
<a name="1818"><span class="lineNum"> 1818 </span><span class="lineNoCov"> 0 : if (devprobe(device, name, smartctl, power, 0, 0, 0, 0, 0, 0) != 0)</span></a>
<a name="1819"><span class="lineNum"> 1819 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1820"><span class="lineNum"> 1820 </span> : </a>
<a name="1821"><span class="lineNum"> 1821 </span><span class="lineNoCov"> 0 : if (*power == POWER_ACTIVE)</span></a>
<a name="1822"><span class="lineNum"> 1822 </span><span class="lineNoCov"> 0 : return devdown(device, name, smartctl);</span></a>
<a name="1823"><span class="lineNum"> 1823 </span> : </a>
<a name="1824"><span class="lineNum"> 1824 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="1825"><span class="lineNum"> 1825 </span> : }</a>
<a name="1826"><span class="lineNum"> 1826 </span> : #endif</a>
<a name="1827"><span class="lineNum"> 1827 </span> : </a>
<a name="1828"><span class="lineNum"> 1828 </span> : /**</a>
<a name="1829"><span class="lineNum"> 1829 </span> : * Spin up a specific device.</a>
<a name="1830"><span class="lineNum"> 1830 </span> : */</a>
<a name="1831"><span class="lineNum"> 1831 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1832"><span class="lineNum"> 1832 </span><span class="lineCov"> 42 : static int devup(dev_t device, const char* name)</span></a>
<a name="1833"><span class="lineNum"> 1833 </span> : {</a>
<a name="1834"><span class="lineNum"> 1834 </span> : char file[PATH_MAX];</a>
<a name="1835"><span class="lineNum"> 1835 </span> : int ret;</a>
<a name="1836"><span class="lineNum"> 1836 </span> : int f;</a>
<a name="1837"><span class="lineNum"> 1837 </span> : void* buf;</a>
<a name="1838"><span class="lineNum"> 1838 </span> : uint64_t size;</a>
<a name="1839"><span class="lineNum"> 1839 </span> : uint64_t offset;</a>
<a name="1840"><span class="lineNum"> 1840 </span> : </a>
<a name="1841"><span class="lineNum"> 1841 </span><span class="lineCov"> 42 : if (devresolve(device, file, sizeof(file)) != 0) {</span></a>
<a name="1842"><span class="lineNum"> 1842 </span> : /* LCOV_EXCL_START */</a>
<a name="1843"><span class="lineNum"> 1843 </span> : log_fatal(EEXTERNAL, &quot;Failed to resolve device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1844"><span class="lineNum"> 1844 </span> : return -1;</a>
<a name="1845"><span class="lineNum"> 1845 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1846"><span class="lineNum"> 1846 </span> : }</a>
<a name="1847"><span class="lineNum"> 1847 </span> : </a>
<a name="1848"><span class="lineNum"> 1848 </span> : /* O_DIRECT requires memory aligned to the block size */</a>
<a name="1849"><span class="lineNum"> 1849 </span><span class="lineCov"> 42 : if (posix_memalign(&amp;buf, 4096, 4096) != 0) {</span></a>
<a name="1850"><span class="lineNum"> 1850 </span> : /* LCOV_EXCL_START */</a>
<a name="1851"><span class="lineNum"> 1851 </span> : log_fatal(errno, &quot;Failed to allocate aligned memory for device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1852"><span class="lineNum"> 1852 </span> : return -1;</a>
<a name="1853"><span class="lineNum"> 1853 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1854"><span class="lineNum"> 1854 </span> : }</a>
<a name="1855"><span class="lineNum"> 1855 </span> : </a>
<a name="1856"><span class="lineNum"> 1856 </span><span class="lineCov"> 42 : f = open(file, O_RDONLY | O_DIRECT);</span></a>
<a name="1857"><span class="lineNum"> 1857 </span><span class="lineCov"> 42 : if (f &lt; 0) {</span></a>
<a name="1858"><span class="lineNum"> 1858 </span> : /* LCOV_EXCL_START */</a>
<a name="1859"><span class="lineNum"> 1859 </span> : free(buf);</a>
<a name="1860"><span class="lineNum"> 1860 </span> : log_tag(&quot;device:%s:%s:error:%d\n&quot;, file, name, errno);</a>
<a name="1861"><span class="lineNum"> 1861 </span> : log_fatal(errno, &quot;Failed to open device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1862"><span class="lineNum"> 1862 </span> : return -1;</a>
<a name="1863"><span class="lineNum"> 1863 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1864"><span class="lineNum"> 1864 </span> : }</a>
<a name="1865"><span class="lineNum"> 1865 </span> : </a>
<a name="1866"><span class="lineNum"> 1866 </span><span class="lineCov"> 12 : if (ioctl(f, BLKGETSIZE64, &amp;size) &lt; 0) {</span></a>
<a name="1867"><span class="lineNum"> 1867 </span> : /* LCOV_EXCL_START */</a>
<a name="1868"><span class="lineNum"> 1868 </span> : close(f);</a>
<a name="1869"><span class="lineNum"> 1869 </span> : free(buf);</a>
<a name="1870"><span class="lineNum"> 1870 </span> : log_tag(&quot;device:%s:%s:error:%d\n&quot;, file, name, errno);</a>
<a name="1871"><span class="lineNum"> 1871 </span> : log_fatal(errno, &quot;Failed to get device size '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1872"><span class="lineNum"> 1872 </span> : return -1;</a>
<a name="1873"><span class="lineNum"> 1873 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1874"><span class="lineNum"> 1874 </span> : }</a>
<a name="1875"><span class="lineNum"> 1875 </span> : </a>
<a name="1876"><span class="lineNum"> 1876 </span> : /* select a random offset */</a>
<a name="1877"><span class="lineNum"> 1877 </span><span class="lineCov"> 12 : offset = (random_u64() % (size / 4096)) * 4096;</span></a>
<a name="1878"><span class="lineNum"> 1878 </span> : </a>
<a name="1879"><span class="lineNum"> 1879 </span> : #if HAVE_POSIX_FADVISE</a>
<a name="1880"><span class="lineNum"> 1880 </span> : /* clear cache */</a>
<a name="1881"><span class="lineNum"> 1881 </span><span class="lineCov"> 12 : ret = posix_fadvise(f, offset, 4096, POSIX_FADV_DONTNEED);</span></a>
<a name="1882"><span class="lineNum"> 1882 </span><span class="lineCov"> 12 : if (ret != 0) {</span></a>
<a name="1883"><span class="lineNum"> 1883 </span> : /* LCOV_EXCL_START */</a>
<a name="1884"><span class="lineNum"> 1884 </span> : close(f);</a>
<a name="1885"><span class="lineNum"> 1885 </span> : free(buf);</a>
<a name="1886"><span class="lineNum"> 1886 </span> : log_tag(&quot;device:%s:%s:error:%d\n&quot;, file, name, errno);</a>
<a name="1887"><span class="lineNum"> 1887 </span> : log_fatal(errno, &quot;Failed to advise device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1888"><span class="lineNum"> 1888 </span> : return -1;</a>
<a name="1889"><span class="lineNum"> 1889 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1890"><span class="lineNum"> 1890 </span> : }</a>
<a name="1891"><span class="lineNum"> 1891 </span> : #endif</a>
<a name="1892"><span class="lineNum"> 1892 </span> : </a>
<a name="1893"><span class="lineNum"> 1893 </span><span class="lineCov"> 12 : ret = pread(f, buf, 4096, offset);</span></a>
<a name="1894"><span class="lineNum"> 1894 </span><span class="lineCov"> 12 : if (ret &lt; 0) {</span></a>
<a name="1895"><span class="lineNum"> 1895 </span> : /* LCOV_EXCL_START */</a>
<a name="1896"><span class="lineNum"> 1896 </span> : close(f);</a>
<a name="1897"><span class="lineNum"> 1897 </span> : free(buf);</a>
<a name="1898"><span class="lineNum"> 1898 </span> : log_tag(&quot;device:%s:%s:error:%d\n&quot;, file, name, errno);</a>
<a name="1899"><span class="lineNum"> 1899 </span> : log_fatal(errno, &quot;Failed to read device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1900"><span class="lineNum"> 1900 </span> : return -1;</a>
<a name="1901"><span class="lineNum"> 1901 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1902"><span class="lineNum"> 1902 </span> : }</a>
<a name="1903"><span class="lineNum"> 1903 </span> : </a>
<a name="1904"><span class="lineNum"> 1904 </span><span class="lineCov"> 12 : ret = close(f);</span></a>
<a name="1905"><span class="lineNum"> 1905 </span><span class="lineCov"> 12 : if (ret &lt; 0) {</span></a>
<a name="1906"><span class="lineNum"> 1906 </span> : /* LCOV_EXCL_START */</a>
<a name="1907"><span class="lineNum"> 1907 </span> : free(buf);</a>
<a name="1908"><span class="lineNum"> 1908 </span> : log_tag(&quot;device:%s:%s:error:%d\n&quot;, file, name, errno);</a>
<a name="1909"><span class="lineNum"> 1909 </span> : log_fatal(errno, &quot;Failed to close device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="1910"><span class="lineNum"> 1910 </span> : return -1;</a>
<a name="1911"><span class="lineNum"> 1911 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1912"><span class="lineNum"> 1912 </span> : }</a>
<a name="1913"><span class="lineNum"> 1913 </span> : </a>
<a name="1914"><span class="lineNum"> 1914 </span><span class="lineCov"> 12 : log_tag(&quot;attr:%s:%s:power:up\n&quot;, file, name);</span></a>
<a name="1915"><span class="lineNum"> 1915 </span> : </a>
<a name="1916"><span class="lineNum"> 1916 </span><span class="lineCov"> 12 : free(buf);</span></a>
<a name="1917"><span class="lineNum"> 1917 </span><span class="lineCov"> 12 : return 0;</span></a>
<a name="1918"><span class="lineNum"> 1918 </span> : }</a>
<a name="1919"><span class="lineNum"> 1919 </span> : #endif</a>
<a name="1920"><span class="lineNum"> 1920 </span> : </a>
<a name="1921"><span class="lineNum"> 1921 </span> : /**</a>
<a name="1922"><span class="lineNum"> 1922 </span> : * Thread for spinning up.</a>
<a name="1923"><span class="lineNum"> 1923 </span> : *</a>
<a name="1924"><span class="lineNum"> 1924 </span> : * Note that filling up the devinfo object is done inside this thread,</a>
<a name="1925"><span class="lineNum"> 1925 </span> : * to avoid to block the main thread if the device need to be spin up</a>
<a name="1926"><span class="lineNum"> 1926 </span> : * to handle stat/resolve requests.</a>
<a name="1927"><span class="lineNum"> 1927 </span> : */</a>
<a name="1928"><span class="lineNum"> 1928 </span><span class="lineCov"> 42 : static void* thread_spinup(void* arg)</span></a>
<a name="1929"><span class="lineNum"> 1929 </span> : {</a>
<a name="1930"><span class="lineNum"> 1930 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1931"><span class="lineNum"> 1931 </span><span class="lineCov"> 42 : devinfo_t* devinfo = arg;</span></a>
<a name="1932"><span class="lineNum"> 1932 </span> : uint64_t start;</a>
<a name="1933"><span class="lineNum"> 1933 </span> : </a>
<a name="1934"><span class="lineNum"> 1934 </span><span class="lineCov"> 42 : start = os_tick_ms();</span></a>
<a name="1935"><span class="lineNum"> 1935 </span> : </a>
<a name="1936"><span class="lineNum"> 1936 </span><span class="lineCov"> 42 : if (devup(devinfo-&gt;device, devinfo-&gt;name) != 0) {</span></a>
<a name="1937"><span class="lineNum"> 1937 </span> : /* LCOV_EXCL_START */</a>
<a name="1938"><span class="lineNum"> 1938 </span> : return (void*)-1;</a>
<a name="1939"><span class="lineNum"> 1939 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1940"><span class="lineNum"> 1940 </span> : }</a>
<a name="1941"><span class="lineNum"> 1941 </span> : </a>
<a name="1942"><span class="lineNum"> 1942 </span><span class="lineCov"> 12 : msg_status(&quot;Spunup device '%s' for disk '%s' in %&quot; PRIu64 &quot; ms.\n&quot;, devinfo-&gt;file, devinfo-&gt;name, os_tick_ms() - start);</span></a>
<a name="1943"><span class="lineNum"> 1943 </span> : </a>
<a name="1944"><span class="lineNum"> 1944 </span> : /* after the spin up, get SMART info */</a>
<a name="1945"><span class="lineNum"> 1945 </span><span class="lineCov"> 12 : if (devsmart(devinfo-&gt;device, devinfo-&gt;name, devinfo-&gt;smartctl, devinfo-&gt;smart, devinfo-&gt;info, devinfo-&gt;serial, devinfo-&gt;family, devinfo-&gt;model, devinfo-&gt;interf) != 0) {</span></a>
<a name="1946"><span class="lineNum"> 1946 </span> : /* LCOV_EXCL_START */</a>
<a name="1947"><span class="lineNum"> 1947 </span> : return (void*)-1;</a>
<a name="1948"><span class="lineNum"> 1948 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1949"><span class="lineNum"> 1949 </span> : }</a>
<a name="1950"><span class="lineNum"> 1950 </span> : </a>
<a name="1951"><span class="lineNum"> 1951 </span> : /*</a>
<a name="1952"><span class="lineNum"> 1952 </span> : * Retrieve some attributes directly from the system.</a>
<a name="1953"><span class="lineNum"> 1953 </span> : *</a>
<a name="1954"><span class="lineNum"> 1954 </span> : * smartctl intentionally skips queries on devices in standby mode</a>
<a name="1955"><span class="lineNum"> 1955 </span> : * to prevent accidentally spinning them up.</a>
<a name="1956"><span class="lineNum"> 1956 </span> : */</a>
<a name="1957"><span class="lineNum"> 1957 </span><span class="lineCov"> 12 : devattr(devinfo-&gt;device, devinfo-&gt;info, devinfo-&gt;serial, devinfo-&gt;family, devinfo-&gt;model, devinfo-&gt;interf);</span></a>
<a name="1958"><span class="lineNum"> 1958 </span> : </a>
<a name="1959"><span class="lineNum"> 1959 </span><span class="lineCov"> 12 : return 0;</span></a>
<a name="1960"><span class="lineNum"> 1960 </span> : #else</a>
<a name="1961"><span class="lineNum"> 1961 </span> : (void)arg;</a>
<a name="1962"><span class="lineNum"> 1962 </span> : return (void*)-1;</a>
<a name="1963"><span class="lineNum"> 1963 </span> : #endif</a>
<a name="1964"><span class="lineNum"> 1964 </span> : }</a>
<a name="1965"><span class="lineNum"> 1965 </span> : </a>
<a name="1966"><span class="lineNum"> 1966 </span> : /**</a>
<a name="1967"><span class="lineNum"> 1967 </span> : * Thread for spinning down.</a>
<a name="1968"><span class="lineNum"> 1968 </span> : */</a>
<a name="1969"><span class="lineNum"> 1969 </span><span class="lineCov"> 17 : static void* thread_spindown(void* arg)</span></a>
<a name="1970"><span class="lineNum"> 1970 </span> : {</a>
<a name="1971"><span class="lineNum"> 1971 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1972"><span class="lineNum"> 1972 </span><span class="lineCov"> 17 : devinfo_t* devinfo = arg;</span></a>
<a name="1973"><span class="lineNum"> 1973 </span> : uint64_t start;</a>
<a name="1974"><span class="lineNum"> 1974 </span> : </a>
<a name="1975"><span class="lineNum"> 1975 </span><span class="lineCov"> 17 : start = os_tick_ms();</span></a>
<a name="1976"><span class="lineNum"> 1976 </span> : </a>
<a name="1977"><span class="lineNum"> 1977 </span><span class="lineCov"> 17 : if (devdown(devinfo-&gt;device, devinfo-&gt;name, devinfo-&gt;smartctl) != 0) {</span></a>
<a name="1978"><span class="lineNum"> 1978 </span> : /* LCOV_EXCL_START */</a>
<a name="1979"><span class="lineNum"> 1979 </span> : return (void*)-1;</a>
<a name="1980"><span class="lineNum"> 1980 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1981"><span class="lineNum"> 1981 </span> : }</a>
<a name="1982"><span class="lineNum"> 1982 </span> : </a>
<a name="1983"><span class="lineNum"> 1983 </span><span class="lineCov"> 12 : msg_status(&quot;Spundown device '%s' for disk '%s' in %&quot; PRIu64 &quot; ms.\n&quot;, devinfo-&gt;file, devinfo-&gt;name, os_tick_ms() - start);</span></a>
<a name="1984"><span class="lineNum"> 1984 </span> : </a>
<a name="1985"><span class="lineNum"> 1985 </span><span class="lineCov"> 12 : return 0;</span></a>
<a name="1986"><span class="lineNum"> 1986 </span> : #else</a>
<a name="1987"><span class="lineNum"> 1987 </span> : (void)arg;</a>
<a name="1988"><span class="lineNum"> 1988 </span> : return (void*)-1;</a>
<a name="1989"><span class="lineNum"> 1989 </span> : #endif</a>
<a name="1990"><span class="lineNum"> 1990 </span> : }</a>
<a name="1991"><span class="lineNum"> 1991 </span> : </a>
<a name="1992"><span class="lineNum"> 1992 </span> : /**</a>
<a name="1993"><span class="lineNum"> 1993 </span> : * Thread for spinning down.</a>
<a name="1994"><span class="lineNum"> 1994 </span> : */</a>
<a name="1995"><span class="lineNum"> 1995 </span><span class="lineNoCov"> 0 : static void* thread_spindownifup(void* arg)</span></a>
<a name="1996"><span class="lineNum"> 1996 </span> : {</a>
<a name="1997"><span class="lineNum"> 1997 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="1998"><span class="lineNum"> 1998 </span><span class="lineNoCov"> 0 : devinfo_t* devinfo = arg;</span></a>
<a name="1999"><span class="lineNum"> 1999 </span> : uint64_t start;</a>
<a name="2000"><span class="lineNum"> 2000 </span> : int power;</a>
<a name="2001"><span class="lineNum"> 2001 </span> : </a>
<a name="2002"><span class="lineNum"> 2002 </span><span class="lineNoCov"> 0 : start = os_tick_ms();</span></a>
<a name="2003"><span class="lineNum"> 2003 </span> : </a>
<a name="2004"><span class="lineNum"> 2004 </span><span class="lineNoCov"> 0 : if (devdownifup(devinfo-&gt;device, devinfo-&gt;name, devinfo-&gt;smartctl, &amp;power) != 0) {</span></a>
<a name="2005"><span class="lineNum"> 2005 </span> : /* LCOV_EXCL_START */</a>
<a name="2006"><span class="lineNum"> 2006 </span> : return (void*)-1;</a>
<a name="2007"><span class="lineNum"> 2007 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2008"><span class="lineNum"> 2008 </span> : }</a>
<a name="2009"><span class="lineNum"> 2009 </span> : </a>
<a name="2010"><span class="lineNum"> 2010 </span><span class="lineNoCov"> 0 : if (power == POWER_ACTIVE)</span></a>
<a name="2011"><span class="lineNum"> 2011 </span><span class="lineNoCov"> 0 : msg_status(&quot;Spundown device '%s' for disk '%s' in %&quot; PRIu64 &quot; ms.\n&quot;, devinfo-&gt;file, devinfo-&gt;name, os_tick_ms() - start);</span></a>
<a name="2012"><span class="lineNum"> 2012 </span> : </a>
<a name="2013"><span class="lineNum"> 2013 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="2014"><span class="lineNum"> 2014 </span> : #else</a>
<a name="2015"><span class="lineNum"> 2015 </span> : (void)arg;</a>
<a name="2016"><span class="lineNum"> 2016 </span> : return (void*)-1;</a>
<a name="2017"><span class="lineNum"> 2017 </span> : #endif</a>
<a name="2018"><span class="lineNum"> 2018 </span> : }</a>
<a name="2019"><span class="lineNum"> 2019 </span> : </a>
<a name="2020"><span class="lineNum"> 2020 </span> : /**</a>
<a name="2021"><span class="lineNum"> 2021 </span> : * Thread for getting smart info.</a>
<a name="2022"><span class="lineNum"> 2022 </span> : */</a>
<a name="2023"><span class="lineNum"> 2023 </span><span class="lineCov"> 14 : static void* thread_smart(void* arg)</span></a>
<a name="2024"><span class="lineNum"> 2024 </span> : {</a>
<a name="2025"><span class="lineNum"> 2025 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="2026"><span class="lineNum"> 2026 </span><span class="lineCov"> 14 : devinfo_t* devinfo = arg;</span></a>
<a name="2027"><span class="lineNum"> 2027 </span> : </a>
<a name="2028"><span class="lineNum"> 2028 </span><span class="lineCov"> 14 : if (devsmart(devinfo-&gt;device, devinfo-&gt;name, devinfo-&gt;smartctl, devinfo-&gt;smart, devinfo-&gt;info, devinfo-&gt;serial, devinfo-&gt;family, devinfo-&gt;model, devinfo-&gt;interf) != 0) {</span></a>
<a name="2029"><span class="lineNum"> 2029 </span> : /* LCOV_EXCL_START */</a>
<a name="2030"><span class="lineNum"> 2030 </span> : return (void*)-1;</a>
<a name="2031"><span class="lineNum"> 2031 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2032"><span class="lineNum"> 2032 </span> : }</a>
<a name="2033"><span class="lineNum"> 2033 </span> : </a>
<a name="2034"><span class="lineNum"> 2034 </span> : /*</a>
<a name="2035"><span class="lineNum"> 2035 </span> : * Retrieve some attributes directly from the system.</a>
<a name="2036"><span class="lineNum"> 2036 </span> : *</a>
<a name="2037"><span class="lineNum"> 2037 </span> : * smartctl intentionally skips queries on devices in standby mode</a>
<a name="2038"><span class="lineNum"> 2038 </span> : * to prevent accidentally spinning them up.</a>
<a name="2039"><span class="lineNum"> 2039 </span> : */</a>
<a name="2040"><span class="lineNum"> 2040 </span><span class="lineCov"> 14 : devattr(devinfo-&gt;device, devinfo-&gt;info, devinfo-&gt;serial, devinfo-&gt;family, devinfo-&gt;model, devinfo-&gt;interf);</span></a>
<a name="2041"><span class="lineNum"> 2041 </span> : </a>
<a name="2042"><span class="lineNum"> 2042 </span><span class="lineCov"> 14 : return 0;</span></a>
<a name="2043"><span class="lineNum"> 2043 </span> : #else</a>
<a name="2044"><span class="lineNum"> 2044 </span> : (void)arg;</a>
<a name="2045"><span class="lineNum"> 2045 </span> : return (void*)-1;</a>
<a name="2046"><span class="lineNum"> 2046 </span> : #endif</a>
<a name="2047"><span class="lineNum"> 2047 </span> : }</a>
<a name="2048"><span class="lineNum"> 2048 </span> : </a>
<a name="2049"><span class="lineNum"> 2049 </span> : /**</a>
<a name="2050"><span class="lineNum"> 2050 </span> : * Thread for getting power info.</a>
<a name="2051"><span class="lineNum"> 2051 </span> : */</a>
<a name="2052"><span class="lineNum"> 2052 </span><span class="lineCov"> 28 : static void* thread_probe(void* arg)</span></a>
<a name="2053"><span class="lineNum"> 2053 </span> : {</a>
<a name="2054"><span class="lineNum"> 2054 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="2055"><span class="lineNum"> 2055 </span><span class="lineCov"> 28 : devinfo_t* devinfo = arg;</span></a>
<a name="2056"><span class="lineNum"> 2056 </span> : </a>
<a name="2057"><span class="lineNum"> 2057 </span><span class="lineCov"> 28 : if (devprobe(devinfo-&gt;device, devinfo-&gt;name, devinfo-&gt;smartctl, &amp;devinfo-&gt;power, devinfo-&gt;smart, devinfo-&gt;info, devinfo-&gt;serial, devinfo-&gt;family, devinfo-&gt;model, devinfo-&gt;interf) != 0) {</span></a>
<a name="2058"><span class="lineNum"> 2058 </span> : /* LCOV_EXCL_START */</a>
<a name="2059"><span class="lineNum"> 2059 </span> : return (void*)-1;</a>
<a name="2060"><span class="lineNum"> 2060 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2061"><span class="lineNum"> 2061 </span> : }</a>
<a name="2062"><span class="lineNum"> 2062 </span> : </a>
<a name="2063"><span class="lineNum"> 2063 </span> : /*</a>
<a name="2064"><span class="lineNum"> 2064 </span> : * Retrieve some attributes directly from the system.</a>
<a name="2065"><span class="lineNum"> 2065 </span> : *</a>
<a name="2066"><span class="lineNum"> 2066 </span> : * smartctl intentionally skips queries on devices in standby mode</a>
<a name="2067"><span class="lineNum"> 2067 </span> : * to prevent accidentally spinning them up.</a>
<a name="2068"><span class="lineNum"> 2068 </span> : */</a>
<a name="2069"><span class="lineNum"> 2069 </span><span class="lineCov"> 28 : devattr(devinfo-&gt;device, devinfo-&gt;info, devinfo-&gt;serial, devinfo-&gt;family, devinfo-&gt;model, devinfo-&gt;interf);</span></a>
<a name="2070"><span class="lineNum"> 2070 </span> : </a>
<a name="2071"><span class="lineNum"> 2071 </span><span class="lineCov"> 28 : return 0;</span></a>
<a name="2072"><span class="lineNum"> 2072 </span> : #else</a>
<a name="2073"><span class="lineNum"> 2073 </span> : (void)arg;</a>
<a name="2074"><span class="lineNum"> 2074 </span> : return (void*)-1;</a>
<a name="2075"><span class="lineNum"> 2075 </span> : #endif</a>
<a name="2076"><span class="lineNum"> 2076 </span> : }</a>
<a name="2077"><span class="lineNum"> 2077 </span> : </a>
<a name="2078"><span class="lineNum"> 2078 </span><span class="lineCov"> 7 : static int device_thread(tommy_list* list, void* (*func)(void* arg))</span></a>
<a name="2079"><span class="lineNum"> 2079 </span> : {</a>
<a name="2080"><span class="lineNum"> 2080 </span><span class="lineCov"> 7 : int fail = 0;</span></a>
<a name="2081"><span class="lineNum"> 2081 </span> : tommy_node* i;</a>
<a name="2082"><span class="lineNum"> 2082 </span> : </a>
<a name="2083"><span class="lineNum"> 2083 </span> : #if HAVE_THREAD</a>
<a name="2084"><span class="lineNum"> 2084 </span> : /* start all threads */</a>
<a name="2085"><span class="lineNum"> 2085 </span><span class="lineCov"> 108 : for (i = tommy_list_head(list); i != 0; i = i-&gt;next) {</span></a>
<a name="2086"><span class="lineNum"> 2086 </span><span class="lineCov"> 101 : devinfo_t* devinfo = i-&gt;data;</span></a>
<a name="2087"><span class="lineNum"> 2087 </span> : </a>
<a name="2088"><span class="lineNum"> 2088 </span><span class="lineCov"> 101 : thread_create(&amp;devinfo-&gt;thread, func, devinfo);</span></a>
<a name="2089"><span class="lineNum"> 2089 </span> : }</a>
<a name="2090"><span class="lineNum"> 2090 </span> : </a>
<a name="2091"><span class="lineNum"> 2091 </span> : /* join all threads */</a>
<a name="2092"><span class="lineNum"> 2092 </span><span class="lineCov"> 108 : for (i = tommy_list_head(list); i != 0; i = i-&gt;next) {</span></a>
<a name="2093"><span class="lineNum"> 2093 </span><span class="lineCov"> 101 : devinfo_t* devinfo = i-&gt;data;</span></a>
<a name="2094"><span class="lineNum"> 2094 </span> : void* retval;</a>
<a name="2095"><span class="lineNum"> 2095 </span> : </a>
<a name="2096"><span class="lineNum"> 2096 </span><span class="lineCov"> 101 : thread_join(devinfo-&gt;thread, &amp;retval);</span></a>
<a name="2097"><span class="lineNum"> 2097 </span> : </a>
<a name="2098"><span class="lineNum"> 2098 </span><span class="lineCov"> 101 : if (retval != 0)</span></a>
<a name="2099"><span class="lineNum"> 2099 </span><span class="lineCov"> 35 : ++fail;</span></a>
<a name="2100"><span class="lineNum"> 2100 </span> : }</a>
<a name="2101"><span class="lineNum"> 2101 </span> : #else</a>
<a name="2102"><span class="lineNum"> 2102 </span> : for (i = tommy_list_head(list); i != 0; i = i-&gt;next) {</a>
<a name="2103"><span class="lineNum"> 2103 </span> : devinfo_t* devinfo = i-&gt;data;</a>
<a name="2104"><span class="lineNum"> 2104 </span> : </a>
<a name="2105"><span class="lineNum"> 2105 </span> : if (func(devinfo) != 0)</a>
<a name="2106"><span class="lineNum"> 2106 </span> : ++fail;</a>
<a name="2107"><span class="lineNum"> 2107 </span> : }</a>
<a name="2108"><span class="lineNum"> 2108 </span> : #endif</a>
<a name="2109"><span class="lineNum"> 2109 </span><span class="lineCov"> 7 : if (fail != 0) {</span></a>
<a name="2110"><span class="lineNum"> 2110 </span> : /* LCOV_EXCL_START */</a>
<a name="2111"><span class="lineNum"> 2111 </span> : return -1;</a>
<a name="2112"><span class="lineNum"> 2112 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2113"><span class="lineNum"> 2113 </span> : }</a>
<a name="2114"><span class="lineNum"> 2114 </span> : </a>
<a name="2115"><span class="lineNum"> 2115 </span><span class="lineCov"> 5 : return 0;</span></a>
<a name="2116"><span class="lineNum"> 2116 </span> : }</a>
<a name="2117"><span class="lineNum"> 2117 </span> : </a>
<a name="2118"><span class="lineNum"> 2118 </span><span class="lineCov"> 9 : int devquery(tommy_list* high, tommy_list* low, int operation)</span></a>
<a name="2119"><span class="lineNum"> 2119 </span> : {</a>
<a name="2120"><span class="lineNum"> 2120 </span><span class="lineCov"> 9 : void* (*func)(void* arg) = 0;</span></a>
<a name="2121"><span class="lineNum"> 2121 </span> : </a>
<a name="2122"><span class="lineNum"> 2122 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="2123"><span class="lineNum"> 2123 </span> : tommy_node* i;</a>
<a name="2124"><span class="lineNum"> 2124 </span> : struct stat st;</a>
<a name="2125"><span class="lineNum"> 2125 </span> : </a>
<a name="2126"><span class="lineNum"> 2126 </span> : /* sysfs interface is required */</a>
<a name="2127"><span class="lineNum"> 2127 </span><span class="lineCov"> 9 : if (stat(&quot;/sys/dev/block&quot;, &amp;st) != 0) {</span></a>
<a name="2128"><span class="lineNum"> 2128 </span> : /* LCOV_EXCL_START */</a>
<a name="2129"><span class="lineNum"> 2129 </span> : log_fatal(EEXTERNAL, &quot;Missing interface /sys/dev/block.\n&quot;);</a>
<a name="2130"><span class="lineNum"> 2130 </span> : return -1;</a>
<a name="2131"><span class="lineNum"> 2131 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2132"><span class="lineNum"> 2132 </span> : }</a>
<a name="2133"><span class="lineNum"> 2133 </span> : </a>
<a name="2134"><span class="lineNum"> 2134 </span> : /* for each high device */</a>
<a name="2135"><span class="lineNum"> 2135 </span><span class="lineCov"> 154 : for (i = tommy_list_head(high); i != 0; i = i-&gt;next) {</span></a>
<a name="2136"><span class="lineNum"> 2136 </span><span class="lineCov"> 145 : devinfo_t* devinfo = i-&gt;data;</span></a>
<a name="2137"><span class="lineNum"> 2137 </span><span class="lineCov"> 145 : uint64_t device = devinfo-&gt;device;</span></a>
<a name="2138"><span class="lineNum"> 2138 </span> : uint64_t access_stat;</a>
<a name="2139"><span class="lineNum"> 2139 </span> : </a>
<a name="2140"><span class="lineNum"> 2140 </span> : #if HAVE_SYNCFS</a>
<a name="2141"><span class="lineNum"> 2141 </span><span class="lineCov"> 145 : if (operation == DEVICE_DOWN) {</span></a>
<a name="2142"><span class="lineNum"> 2142 </span> : /* flush the high level filesystem before spinning down */</a>
<a name="2143"><span class="lineNum"> 2143 </span><span class="lineCov"> 17 : int f = open(devinfo-&gt;mount, O_RDONLY);</span></a>
<a name="2144"><span class="lineNum"> 2144 </span><span class="lineCov"> 17 : if (f &gt;= 0) {</span></a>
<a name="2145"><span class="lineNum"> 2145 </span><span class="lineCov"> 17 : syncfs(f);</span></a>
<a name="2146"><span class="lineNum"> 2146 </span><span class="lineCov"> 17 : close(f);</span></a>
<a name="2147"><span class="lineNum"> 2147 </span> : }</a>
<a name="2148"><span class="lineNum"> 2148 </span> : }</a>
<a name="2149"><span class="lineNum"> 2149 </span> : #endif</a>
<a name="2150"><span class="lineNum"> 2150 </span> : </a>
<a name="2151"><span class="lineNum"> 2151 </span> : /* if the major is the null device, find the real one */</a>
<a name="2152"><span class="lineNum"> 2152 </span><span class="lineCov"> 145 : if (major(device) == 0) {</span></a>
<a name="2153"><span class="lineNum"> 2153 </span> : /* obtain the real device */</a>
<a name="2154"><span class="lineNum"> 2154 </span><span class="lineNoCov"> 0 : if (devdereference(device, &amp;device) != 0) {</span></a>
<a name="2155"><span class="lineNum"> 2155 </span> : /* LCOV_EXCL_START */</a>
<a name="2156"><span class="lineNum"> 2156 </span> : log_fatal(EEXTERNAL, &quot;Failed to dereference device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="2157"><span class="lineNum"> 2157 </span> : return -1;</a>
<a name="2158"><span class="lineNum"> 2158 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2159"><span class="lineNum"> 2159 </span> : }</a>
<a name="2160"><span class="lineNum"> 2160 </span> : }</a>
<a name="2161"><span class="lineNum"> 2161 </span> : </a>
<a name="2162"><span class="lineNum"> 2162 </span> : /* retrieve access stat for the high level device */</a>
<a name="2163"><span class="lineNum"> 2163 </span><span class="lineCov"> 145 : if (devstat(device, &amp;access_stat) == 0) {</span></a>
<a name="2164"><span class="lineNum"> 2164 </span> : /* cumulate access stat in the first split */</a>
<a name="2165"><span class="lineNum"> 2165 </span><span class="lineCov"> 145 : if (devinfo-&gt;split)</span></a>
<a name="2166"><span class="lineNum"> 2166 </span><span class="lineCov"> 39 : devinfo-&gt;split-&gt;access_stat += access_stat;</span></a>
<a name="2167"><span class="lineNum"> 2167 </span> : else</a>
<a name="2168"><span class="lineNum"> 2168 </span><span class="lineCov"> 106 : devinfo-&gt;access_stat += access_stat;</span></a>
<a name="2169"><span class="lineNum"> 2169 </span> : }</a>
<a name="2170"><span class="lineNum"> 2170 </span> : </a>
<a name="2171"><span class="lineNum"> 2171 </span> : /* get the device file */</a>
<a name="2172"><span class="lineNum"> 2172 </span><span class="lineCov"> 145 : if (devresolve(device, devinfo-&gt;file, sizeof(devinfo-&gt;file)) != 0) {</span></a>
<a name="2173"><span class="lineNum"> 2173 </span> : /* LCOV_EXCL_START */</a>
<a name="2174"><span class="lineNum"> 2174 </span> : log_fatal(EEXTERNAL, &quot;Failed to resolve device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="2175"><span class="lineNum"> 2175 </span> : return -1;</a>
<a name="2176"><span class="lineNum"> 2176 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2177"><span class="lineNum"> 2177 </span> : }</a>
<a name="2178"><span class="lineNum"> 2178 </span> : </a>
<a name="2179"><span class="lineNum"> 2179 </span> : /* expand the tree of devices */</a>
<a name="2180"><span class="lineNum"> 2180 </span><span class="lineCov"> 145 : if (devtree(devinfo, device, low) != 0) {</span></a>
<a name="2181"><span class="lineNum"> 2181 </span> : /* LCOV_EXCL_START */</a>
<a name="2182"><span class="lineNum"> 2182 </span> : log_fatal(EEXTERNAL, &quot;Failed to expand device '%u:%u'.\n&quot;, major(device), minor(device));</a>
<a name="2183"><span class="lineNum"> 2183 </span> : return -1;</a>
<a name="2184"><span class="lineNum"> 2184 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2185"><span class="lineNum"> 2185 </span> : }</a>
<a name="2186"><span class="lineNum"> 2186 </span> : }</a>
<a name="2187"><span class="lineNum"> 2187 </span> : #else</a>
<a name="2188"><span class="lineNum"> 2188 </span> : (void)high;</a>
<a name="2189"><span class="lineNum"> 2189 </span> : #endif</a>
<a name="2190"><span class="lineNum"> 2190 </span> : </a>
<a name="2191"><span class="lineNum"> 2191 </span><span class="lineCov"> 9 : switch (operation) {</span></a>
<a name="2192"><span class="lineNum"> 2192 </span><span class="lineCov"> 2 : case DEVICE_UP : func = thread_spinup; break;</span></a>
<a name="2193"><span class="lineNum"> 2193 </span><span class="lineCov"> 2 : case DEVICE_DOWN : func = thread_spindown; break;</span></a>
<a name="2194"><span class="lineNum"> 2194 </span><span class="lineCov"> 1 : case DEVICE_SMART : func = thread_smart; break;</span></a>
<a name="2195"><span class="lineNum"> 2195 </span><span class="lineCov"> 2 : case DEVICE_PROBE : func = thread_probe; break;</span></a>
<a name="2196"><span class="lineNum"> 2196 </span><span class="lineNoCov"> 0 : case DEVICE_DOWNIFUP : func = thread_spindownifup; break;</span></a>
<a name="2197"><span class="lineNum"> 2197 </span> : }</a>
<a name="2198"><span class="lineNum"> 2198 </span> : </a>
<a name="2199"><span class="lineNum"> 2199 </span><span class="lineCov"> 9 : if (!func)</span></a>
<a name="2200"><span class="lineNum"> 2200 </span><span class="lineCov"> 2 : return 0;</span></a>
<a name="2201"><span class="lineNum"> 2201 </span> : </a>
<a name="2202"><span class="lineNum"> 2202 </span><span class="lineCov"> 7 : return device_thread(low, func);</span></a>
<a name="2203"><span class="lineNum"> 2203 </span> : }</a>
<a name="2204"><span class="lineNum"> 2204 </span> : </a>
<a name="2205"><span class="lineNum"> 2205 </span><span class="lineCov"> 297 : void os_init(int opt)</span></a>
<a name="2206"><span class="lineNum"> 2206 </span> : {</a>
<a name="2207"><span class="lineNum"> 2207 </span> : #if HAVE_BLKID</a>
<a name="2208"><span class="lineNum"> 2208 </span> : int ret;</a>
<a name="2209"><span class="lineNum"> 2209 </span><span class="lineCov"> 297 : ret = blkid_get_cache(&amp;cache, NULL);</span></a>
<a name="2210"><span class="lineNum"> 2210 </span><span class="lineCov"> 297 : if (ret != 0) {</span></a>
<a name="2211"><span class="lineNum"> 2211 </span> : /* LCOV_EXCL_START */</a>
<a name="2212"><span class="lineNum"> 2212 </span> : log_fatal(EEXTERNAL, &quot;WARNING Failed to get blkid cache\n&quot;);</a>
<a name="2213"><span class="lineNum"> 2213 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2214"><span class="lineNum"> 2214 </span> : }</a>
<a name="2215"><span class="lineNum"> 2215 </span> : #endif</a>
<a name="2216"><span class="lineNum"> 2216 </span> : </a>
<a name="2217"><span class="lineNum"> 2217 </span> : (void)opt;</a>
<a name="2218"><span class="lineNum"> 2218 </span><span class="lineCov"> 297 : }</span></a>
<a name="2219"><span class="lineNum"> 2219 </span> : </a>
<a name="2220"><span class="lineNum"> 2220 </span><span class="lineCov"> 286 : void os_done(void)</span></a>
<a name="2221"><span class="lineNum"> 2221 </span> : {</a>
<a name="2222"><span class="lineNum"> 2222 </span> : #if HAVE_BLKID</a>
<a name="2223"><span class="lineNum"> 2223 </span><span class="lineCov"> 286 : if (cache != 0)</span></a>
<a name="2224"><span class="lineNum"> 2224 </span><span class="lineCov"> 286 : blkid_put_cache(cache);</span></a>
<a name="2225"><span class="lineNum"> 2225 </span> : #endif</a>
<a name="2226"><span class="lineNum"> 2226 </span><span class="lineCov"> 286 : }</span></a>
<a name="2227"><span class="lineNum"> 2227 </span> : </a>
<a name="2228"><span class="lineNum"> 2228 </span> : /* LCOV_EXCL_START */</a>
<a name="2229"><span class="lineNum"> 2229 </span> : void os_abort(void)</a>
<a name="2230"><span class="lineNum"> 2230 </span> : {</a>
<a name="2231"><span class="lineNum"> 2231 </span> : #if HAVE_BACKTRACE &amp;&amp; HAVE_BACKTRACE_SYMBOLS</a>
<a name="2232"><span class="lineNum"> 2232 </span> : void* stack[32];</a>
<a name="2233"><span class="lineNum"> 2233 </span> : char** messages;</a>
<a name="2234"><span class="lineNum"> 2234 </span> : size_t size;</a>
<a name="2235"><span class="lineNum"> 2235 </span> : unsigned i;</a>
<a name="2236"><span class="lineNum"> 2236 </span> : #endif</a>
<a name="2237"><span class="lineNum"> 2237 </span> : </a>
<a name="2238"><span class="lineNum"> 2238 </span> : printf(&quot;Stacktrace of &quot; PACKAGE &quot; v&quot; VERSION);</a>
<a name="2239"><span class="lineNum"> 2239 </span> : #ifdef _linux</a>
<a name="2240"><span class="lineNum"> 2240 </span> : printf(&quot;, linux&quot;);</a>
<a name="2241"><span class="lineNum"> 2241 </span> : #endif</a>
<a name="2242"><span class="lineNum"> 2242 </span> : #ifdef __GNUC__</a>
<a name="2243"><span class="lineNum"> 2243 </span> : printf(&quot;, gcc &quot; __VERSION__);</a>
<a name="2244"><span class="lineNum"> 2244 </span> : #endif</a>
<a name="2245"><span class="lineNum"> 2245 </span> : printf(&quot;, %d-bit&quot;, (int)sizeof(void*) * 8);</a>
<a name="2246"><span class="lineNum"> 2246 </span> : printf(&quot;, PATH_MAX=%d&quot;, PATH_MAX);</a>
<a name="2247"><span class="lineNum"> 2247 </span> : printf(&quot;\n&quot;);</a>
<a name="2248"><span class="lineNum"> 2248 </span> : </a>
<a name="2249"><span class="lineNum"> 2249 </span> : #if HAVE_BACKTRACE &amp;&amp; HAVE_BACKTRACE_SYMBOLS</a>
<a name="2250"><span class="lineNum"> 2250 </span> : size = backtrace(stack, 32);</a>
<a name="2251"><span class="lineNum"> 2251 </span> : </a>
<a name="2252"><span class="lineNum"> 2252 </span> : messages = backtrace_symbols(stack, size);</a>
<a name="2253"><span class="lineNum"> 2253 </span> : </a>
<a name="2254"><span class="lineNum"> 2254 </span> : for (i = 1; i &lt; size; ++i) {</a>
<a name="2255"><span class="lineNum"> 2255 </span> : const char* msg;</a>
<a name="2256"><span class="lineNum"> 2256 </span> : </a>
<a name="2257"><span class="lineNum"> 2257 </span> : if (messages)</a>
<a name="2258"><span class="lineNum"> 2258 </span> : msg = messages[i];</a>
<a name="2259"><span class="lineNum"> 2259 </span> : else</a>
<a name="2260"><span class="lineNum"> 2260 </span> : msg = &quot;&lt;unknown&gt;&quot;;</a>
<a name="2261"><span class="lineNum"> 2261 </span> : </a>
<a name="2262"><span class="lineNum"> 2262 </span> : printf(&quot;[bt] %02u: %s\n&quot;, i, msg);</a>
<a name="2263"><span class="lineNum"> 2263 </span> : </a>
<a name="2264"><span class="lineNum"> 2264 </span> : if (messages) {</a>
<a name="2265"><span class="lineNum"> 2265 </span> : int ret;</a>
<a name="2266"><span class="lineNum"> 2266 </span> : char addr2line[1024];</a>
<a name="2267"><span class="lineNum"> 2267 </span> : size_t j = 0;</a>
<a name="2268"><span class="lineNum"> 2268 </span> : while (msg[j] != '(' &amp;&amp; msg[j] != ' ' &amp;&amp; msg[j] != 0)</a>
<a name="2269"><span class="lineNum"> 2269 </span> : ++j;</a>
<a name="2270"><span class="lineNum"> 2270 </span> : </a>
<a name="2271"><span class="lineNum"> 2271 </span> : snprintf(addr2line, sizeof(addr2line), &quot;addr2line %p -e %.*s&quot;, stack[i], (unsigned)j, msg);</a>
<a name="2272"><span class="lineNum"> 2272 </span> : </a>
<a name="2273"><span class="lineNum"> 2273 </span> : ret = system(addr2line);</a>
<a name="2274"><span class="lineNum"> 2274 </span> : if (WIFEXITED(ret) &amp;&amp; WEXITSTATUS(ret) != 0)</a>
<a name="2275"><span class="lineNum"> 2275 </span> : printf(&quot;exit:%d\n&quot;, WEXITSTATUS(ret));</a>
<a name="2276"><span class="lineNum"> 2276 </span> : if (WIFSIGNALED(ret))</a>
<a name="2277"><span class="lineNum"> 2277 </span> : printf(&quot;signal:%d\n&quot;, WTERMSIG(ret));</a>
<a name="2278"><span class="lineNum"> 2278 </span> : }</a>
<a name="2279"><span class="lineNum"> 2279 </span> : }</a>
<a name="2280"><span class="lineNum"> 2280 </span> : #endif</a>
<a name="2281"><span class="lineNum"> 2281 </span> : </a>
<a name="2282"><span class="lineNum"> 2282 </span> : printf(&quot;Please report this error to the SnapRAID Forum:\n&quot;);</a>
<a name="2283"><span class="lineNum"> 2283 </span> : printf(&quot;https://sourceforge.net/p/snapraid/discussion/1677233/\n&quot;);</a>
<a name="2284"><span class="lineNum"> 2284 </span> : </a>
<a name="2285"><span class="lineNum"> 2285 </span> : abort();</a>
<a name="2286"><span class="lineNum"> 2286 </span> : }</a>
<a name="2287"><span class="lineNum"> 2287 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2288"><span class="lineNum"> 2288 </span> : </a>
<a name="2289"><span class="lineNum"> 2289 </span><span class="lineNoCov"> 0 : void os_clear(void)</span></a>
<a name="2290"><span class="lineNum"> 2290 </span> : {</a>
<a name="2291"><span class="lineNum"> 2291 </span> : /* ANSI codes */</a>
<a name="2292"><span class="lineNum"> 2292 </span><span class="lineNoCov"> 0 : printf(&quot;\033[H&quot;); /* cursor at topleft */</span></a>
<a name="2293"><span class="lineNum"> 2293 </span><span class="lineNoCov"> 0 : printf(&quot;\033[2J&quot;); /* clear screen */</span></a>
<a name="2294"><span class="lineNum"> 2294 </span><span class="lineNoCov"> 0 : }</span></a>
<a name="2295"><span class="lineNum"> 2295 </span> : </a>
<a name="2296"><span class="lineNum"> 2296 </span><span class="lineCov"> 135 : size_t direct_size(void)</span></a>
<a name="2297"><span class="lineNum"> 2297 </span> : {</a>
<a name="2298"><span class="lineNum"> 2298 </span> : long size;</a>
<a name="2299"><span class="lineNum"> 2299 </span> : </a>
<a name="2300"><span class="lineNum"> 2300 </span><span class="lineCov"> 135 : size = sysconf(_SC_PAGESIZE);</span></a>
<a name="2301"><span class="lineNum"> 2301 </span> : </a>
<a name="2302"><span class="lineNum"> 2302 </span><span class="lineCov"> 135 : if (size == -1) {</span></a>
<a name="2303"><span class="lineNum"> 2303 </span> : /* LCOV_EXCL_START */</a>
<a name="2304"><span class="lineNum"> 2304 </span> : log_fatal(EEXTERNAL, &quot;No page size\n&quot;);</a>
<a name="2305"><span class="lineNum"> 2305 </span> : exit(EXIT_FAILURE);</a>
<a name="2306"><span class="lineNum"> 2306 </span> : /* LCOV_EXCL_STOP */</a>
<a name="2307"><span class="lineNum"> 2307 </span> : }</a>
<a name="2308"><span class="lineNum"> 2308 </span> : </a>
<a name="2309"><span class="lineNum"> 2309 </span><span class="lineCov"> 135 : return size;</span></a>
<a name="2310"><span class="lineNum"> 2310 </span> : }</a>
<a name="2311"><span class="lineNum"> 2311 </span> : </a>
<a name="2312"><span class="lineNum"> 2312 </span> : #if HAVE_LINUX_DEVICE</a>
<a name="2313"><span class="lineNum"> 2313 </span> : </a>
<a name="2314"><span class="lineNum"> 2314 </span> : /* List of possible ambient temperature labels */</a>
<a name="2315"><span class="lineNum"> 2315 </span> : const char* AMBIENT_LABEL[] = {</a>
<a name="2316"><span class="lineNum"> 2316 </span> : &quot;systin&quot;,</a>
<a name="2317"><span class="lineNum"> 2317 </span> : &quot;auxtin&quot;,</a>
<a name="2318"><span class="lineNum"> 2318 </span> : &quot;mb&quot;,</a>
<a name="2319"><span class="lineNum"> 2319 </span> : &quot;m/b&quot;,</a>
<a name="2320"><span class="lineNum"> 2320 </span> : &quot;board&quot;,</a>
<a name="2321"><span class="lineNum"> 2321 </span> : &quot;motherboard&quot;,</a>
<a name="2322"><span class="lineNum"> 2322 </span> : &quot;system&quot;,</a>
<a name="2323"><span class="lineNum"> 2323 </span> : &quot;chassis&quot;,</a>
<a name="2324"><span class="lineNum"> 2324 </span> : &quot;case&quot;,</a>
<a name="2325"><span class="lineNum"> 2325 </span> : &quot;room&quot;,</a>
<a name="2326"><span class="lineNum"> 2326 </span> : &quot;ambient&quot;,</a>
<a name="2327"><span class="lineNum"> 2327 </span> : 0</a>
<a name="2328"><span class="lineNum"> 2328 </span> : };</a>
<a name="2329"><span class="lineNum"> 2329 </span> : </a>
<a name="2330"><span class="lineNum"> 2330 </span><span class="lineCov"> 1 : int ambient_temperature(void)</span></a>
<a name="2331"><span class="lineNum"> 2331 </span> : {</a>
<a name="2332"><span class="lineNum"> 2332 </span> : DIR* dir;</a>
<a name="2333"><span class="lineNum"> 2333 </span> : struct dirent* entry;</a>
<a name="2334"><span class="lineNum"> 2334 </span><span class="lineCov"> 1 : int lowest_temp = 0;</span></a>
<a name="2335"><span class="lineNum"> 2335 </span> : </a>
<a name="2336"><span class="lineNum"> 2336 </span><span class="lineCov"> 1 : dir = opendir(&quot;/sys/class/hwmon&quot;);</span></a>
<a name="2337"><span class="lineNum"> 2337 </span><span class="lineCov"> 1 : if (!dir)</span></a>
<a name="2338"><span class="lineNum"> 2338 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="2339"><span class="lineNum"> 2339 </span> : </a>
<a name="2340"><span class="lineNum"> 2340 </span> : /* iterate through hwmon devices */</a>
<a name="2341"><span class="lineNum"> 2341 </span><span class="lineCov"> 5 : while ((entry = readdir(dir)) != NULL) {</span></a>
<a name="2342"><span class="lineNum"> 2342 </span> : char path[PATH_MAX];</a>
<a name="2343"><span class="lineNum"> 2343 </span> : DIR* hwmon_dir;</a>
<a name="2344"><span class="lineNum"> 2344 </span> : struct dirent* hwmon_entry;</a>
<a name="2345"><span class="lineNum"> 2345 </span> : </a>
<a name="2346"><span class="lineNum"> 2346 </span><span class="lineCov"> 4 : if (strncmp(entry-&gt;d_name, &quot;hwmon&quot;, 5) != 0)</span></a>
<a name="2347"><span class="lineNum"> 2347 </span><span class="lineCov"> 2 : continue;</span></a>
<a name="2348"><span class="lineNum"> 2348 </span> : </a>
<a name="2349"><span class="lineNum"> 2349 </span><span class="lineCov"> 2 : pathprint(path, sizeof(path), &quot;/sys/class/hwmon/%s&quot;, entry-&gt;d_name);</span></a>
<a name="2350"><span class="lineNum"> 2350 </span> : </a>
<a name="2351"><span class="lineNum"> 2351 </span> : /* iterate through temp*_input files */</a>
<a name="2352"><span class="lineNum"> 2352 </span><span class="lineCov"> 2 : hwmon_dir = opendir(path);</span></a>
<a name="2353"><span class="lineNum"> 2353 </span><span class="lineCov"> 2 : if (!hwmon_dir)</span></a>
<a name="2354"><span class="lineNum"> 2354 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="2355"><span class="lineNum"> 2355 </span> : </a>
<a name="2356"><span class="lineNum"> 2356 </span><span class="lineCov"> 66 : while ((hwmon_entry = readdir(hwmon_dir)) != NULL) {</span></a>
<a name="2357"><span class="lineNum"> 2357 </span> : char value[128];</a>
<a name="2358"><span class="lineNum"> 2358 </span> : char name[128];</a>
<a name="2359"><span class="lineNum"> 2359 </span> : char label[128];</a>
<a name="2360"><span class="lineNum"> 2360 </span> : char* dash;</a>
<a name="2361"><span class="lineNum"> 2361 </span> : char* e;</a>
<a name="2362"><span class="lineNum"> 2362 </span> : long temp;</a>
<a name="2363"><span class="lineNum"> 2363 </span> : </a>
<a name="2364"><span class="lineNum"> 2364 </span><span class="lineCov"> 64 : if (strncmp(hwmon_entry-&gt;d_name, &quot;temp&quot;, 4) != 0)</span></a>
<a name="2365"><span class="lineNum"> 2365 </span><span class="lineCov"> 63 : continue;</span></a>
<a name="2366"><span class="lineNum"> 2366 </span> : </a>
<a name="2367"><span class="lineNum"> 2367 </span><span class="lineCov"> 18 : dash = strrchr(hwmon_entry-&gt;d_name, '_');</span></a>
<a name="2368"><span class="lineNum"> 2368 </span><span class="lineCov"> 18 : if (dash == 0)</span></a>
<a name="2369"><span class="lineNum"> 2369 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="2370"><span class="lineNum"> 2370 </span> : </a>
<a name="2371"><span class="lineNum"> 2371 </span><span class="lineCov"> 18 : if (strcmp(dash, &quot;_input&quot;) != 0)</span></a>
<a name="2372"><span class="lineNum"> 2372 </span><span class="lineCov"> 14 : continue;</span></a>
<a name="2373"><span class="lineNum"> 2373 </span> : </a>
<a name="2374"><span class="lineNum"> 2374 </span> : /* read the temperature */</a>
<a name="2375"><span class="lineNum"> 2375 </span><span class="lineCov"> 4 : pathprint(path, sizeof(path), &quot;/sys/class/hwmon/%s/%s&quot;, entry-&gt;d_name, hwmon_entry-&gt;d_name);</span></a>
<a name="2376"><span class="lineNum"> 2376 </span> : </a>
<a name="2377"><span class="lineNum"> 2377 </span><span class="lineCov"> 4 : if (sysattr(path, value, sizeof(value)) != 0)</span></a>
<a name="2378"><span class="lineNum"> 2378 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="2379"><span class="lineNum"> 2379 </span> : </a>
<a name="2380"><span class="lineNum"> 2380 </span><span class="lineCov"> 4 : temp = strtol(value, &amp;e, 10) / 1000;</span></a>
<a name="2381"><span class="lineNum"> 2381 </span><span class="lineCov"> 4 : if (*e != 0 &amp;&amp; !isspace(*e))</span></a>
<a name="2382"><span class="lineNum"> 2382 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="2383"><span class="lineNum"> 2383 </span> : </a>
<a name="2384"><span class="lineNum"> 2384 </span> : /* cut the file name at &quot;_input&quot; */</a>
<a name="2385"><span class="lineNum"> 2385 </span><span class="lineCov"> 4 : *dash = 0;</span></a>
<a name="2386"><span class="lineNum"> 2386 </span> : </a>
<a name="2387"><span class="lineNum"> 2387 </span> : /* read the corresponding name */</a>
<a name="2388"><span class="lineNum"> 2388 </span><span class="lineCov"> 4 : pathprint(path, sizeof(path), &quot;/sys/class/hwmon/%s/name&quot;, entry-&gt;d_name);</span></a>
<a name="2389"><span class="lineNum"> 2389 </span><span class="lineCov"> 4 : if (sysattr(path, name, sizeof(name)) != 0) {</span></a>
<a name="2390"><span class="lineNum"> 2390 </span> : /* fallback to using the hwmon name */</a>
<a name="2391"><span class="lineNum"> 2391 </span><span class="lineNoCov"> 0 : pathcpy(name, sizeof(name), entry-&gt;d_name);</span></a>
<a name="2392"><span class="lineNum"> 2392 </span> : }</a>
<a name="2393"><span class="lineNum"> 2393 </span> : </a>
<a name="2394"><span class="lineNum"> 2394 </span> : /* read the corresponding label file */</a>
<a name="2395"><span class="lineNum"> 2395 </span><span class="lineCov"> 4 : pathprint(path, sizeof(path), &quot;/sys/class/hwmon/%s/%s_label&quot;, entry-&gt;d_name, hwmon_entry-&gt;d_name);</span></a>
<a name="2396"><span class="lineNum"> 2396 </span><span class="lineCov"> 4 : if (sysattr(path, label, sizeof(label)) != 0) {</span></a>
<a name="2397"><span class="lineNum"> 2397 </span> : /* fallback to using the temp* name (e.g., temp1, temp2) */</a>
<a name="2398"><span class="lineNum"> 2398 </span><span class="lineNoCov"> 0 : pathcpy(label, sizeof(label), hwmon_entry-&gt;d_name);</span></a>
<a name="2399"><span class="lineNum"> 2399 </span> : }</a>
<a name="2400"><span class="lineNum"> 2400 </span> : </a>
<a name="2401"><span class="lineNum"> 2401 </span><span class="lineCov"> 4 : log_tag(&quot;thermal:ambient:device:%s:%s:%s:%s:%ld\n&quot;, entry-&gt;d_name, name, hwmon_entry-&gt;d_name, label, temp);</span></a>
<a name="2402"><span class="lineNum"> 2402 </span> : </a>
<a name="2403"><span class="lineNum"> 2403 </span> : /* check if temperature is in reasonable range */</a>
<a name="2404"><span class="lineNum"> 2404 </span><span class="lineCov"> 4 : if (temp &lt; 15 || temp &gt; 40)</span></a>
<a name="2405"><span class="lineNum"> 2405 </span><span class="lineCov"> 3 : continue;</span></a>
<a name="2406"><span class="lineNum"> 2406 </span> : </a>
<a name="2407"><span class="lineNum"> 2407 </span> : /* lower case */</a>
<a name="2408"><span class="lineNum"> 2408 </span><span class="lineCov"> 1 : strlwr(label);</span></a>
<a name="2409"><span class="lineNum"> 2409 </span> : </a>
<a name="2410"><span class="lineNum"> 2410 </span> : /* check if label matches possible ambient labels */</a>
<a name="2411"><span class="lineNum"> 2411 </span><span class="lineCov"> 3 : for (int i = 0; AMBIENT_LABEL[i]; ++i) {</span></a>
<a name="2412"><span class="lineNum"> 2412 </span><span class="lineCov"> 3 : if (worddigitstr(label, AMBIENT_LABEL[i]) != 0) {</span></a>
<a name="2413"><span class="lineNum"> 2413 </span><span class="lineCov"> 1 : log_tag(&quot;thermal:ambient:candidate:%ld\n&quot;, temp);</span></a>
<a name="2414"><span class="lineNum"> 2414 </span><span class="lineCov"> 1 : if (lowest_temp == 0 || lowest_temp &gt; temp)</span></a>
<a name="2415"><span class="lineNum"> 2415 </span><span class="lineCov"> 1 : lowest_temp = temp;</span></a>
<a name="2416"><span class="lineNum"> 2416 </span><span class="lineCov"> 1 : break;</span></a>
<a name="2417"><span class="lineNum"> 2417 </span> : }</a>
<a name="2418"><span class="lineNum"> 2418 </span> : }</a>
<a name="2419"><span class="lineNum"> 2419 </span> : </a>
<a name="2420"><span class="lineNum"> 2420 </span> : /* accept also generic &quot;temp1&quot; */</a>
<a name="2421"><span class="lineNum"> 2421 </span><span class="lineCov"> 1 : if (strcmp(label, &quot;temp1&quot;) == 0) {</span></a>
<a name="2422"><span class="lineNum"> 2422 </span><span class="lineNoCov"> 0 : log_tag(&quot;thermal:ambient:candidate:%ld\n&quot;, temp);</span></a>
<a name="2423"><span class="lineNum"> 2423 </span><span class="lineNoCov"> 0 : if (lowest_temp == 0 || lowest_temp &gt; temp)</span></a>
<a name="2424"><span class="lineNum"> 2424 </span><span class="lineNoCov"> 0 : lowest_temp = temp;</span></a>
<a name="2425"><span class="lineNum"> 2425 </span> : }</a>
<a name="2426"><span class="lineNum"> 2426 </span> : }</a>
<a name="2427"><span class="lineNum"> 2427 </span> : </a>
<a name="2428"><span class="lineNum"> 2428 </span><span class="lineCov"> 2 : closedir(hwmon_dir);</span></a>
<a name="2429"><span class="lineNum"> 2429 </span> : }</a>
<a name="2430"><span class="lineNum"> 2430 </span> : </a>
<a name="2431"><span class="lineNum"> 2431 </span><span class="lineCov"> 1 : closedir(dir);</span></a>
<a name="2432"><span class="lineNum"> 2432 </span> : </a>
<a name="2433"><span class="lineNum"> 2433 </span><span class="lineCov"> 1 : return lowest_temp;</span></a>
<a name="2434"><span class="lineNum"> 2434 </span> : }</a>
<a name="2435"><span class="lineNum"> 2435 </span> : #else</a>
<a name="2436"><span class="lineNum"> 2436 </span> : int ambient_temperature(void)</a>
<a name="2437"><span class="lineNum"> 2437 </span> : {</a>
<a name="2438"><span class="lineNum"> 2438 </span> : return 0;</a>
<a name="2439"><span class="lineNum"> 2439 </span> : }</a>
<a name="2440"><span class="lineNum"> 2440 </span> : #endif</a>
<a name="2441"><span class="lineNum"> 2441 </span> : </a>
<a name="2442"><span class="lineNum"> 2442 </span> : #endif</a>
<a name="2443"><span class="lineNum"> 2443 </span> : </a>
</pre>
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