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Ignore fadvise if it return ENOSYS

Browse source 
This happens in ARM platform because fadvise is
differently implemented by the kernel and glibc
may not support it yet.
This commit is contained in:
Andrea Mazzoleni 2016-10-23 22:03:02 +02:00
parent 72c558b104
commit 20e9f7de41
2 changed files with 22 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

10
cmdline/stream.c
View file

@ -47,11 +47,16 @@ STREAM* sopen_read(const char* file)
#if HAVE_POSIX_FADVISE
/* advise sequential access */
ret = posix_fadvise(s->handle[0].f, 0, 0, POSIX_FADV_SEQUENTIAL);
if (ret == ENOSYS) {
/* call is not supported, like in armhf, see posix_fadvise manpage */
ret = 0;
}
if (ret != 0) {
/* LCOV_EXCL_START */
close(s->handle[0].f);
free(s->handle);
free(s);
errno = ret; /* posix_fadvise return the error code */
return 0;
/* LCOV_EXCL_STOP */
}
@ -116,9 +121,14 @@ int sopen_multi_file(STREAM* s, unsigned i, const char* file)
#if HAVE_POSIX_FADVISE
/* advise sequential access */
ret = posix_fadvise(f, 0, 0, POSIX_FADV_SEQUENTIAL);
if (ret == ENOSYS) {
/* call is not supported, like in armhf, see posix_fadvise manpage */
ret = 0;
}
if (ret != 0) {
/* LCOV_EXCL_START */
close(f);
errno = ret; /* posix_fadvise return the error code */
return -1;
/* LCOV_EXCL_STOP */
}

12
cmdline/support.c
View file

@ -940,6 +940,10 @@ int advise_open(struct advise_struct* advise, int f)
/* advise sequential access */
ret = posix_fadvise(f, 0, 0, POSIX_FADV_SEQUENTIAL);
if (ret == ENOSYS) {
/* call is not supported, like in armhf, see posix_fadvise manpage */
ret = 0;
}
if (ret != 0) {
/* LCOV_EXCL_START */
errno = ret; /* posix_fadvise return the error code */
@ -1116,6 +1120,10 @@ int advise_write(struct advise_struct* advise, int f, data_off_t offset, data_of
/* flush the data from the cache */
ret = posix_fadvise(f, discard_offset, discard_size, POSIX_FADV_DONTNEED);
if (ret == ENOSYS) {
/* call is not supported, like in armhf, see posix_fadvise manpage */
ret = 0;
}
if (ret != 0) {
/* LCOV_EXCL_START */
errno = ret; /* posix_fadvise return the error code */
@ -1143,6 +1151,10 @@ int advise_read(struct advise_struct* advise, int f, data_off_t offset, data_off
/* flush the data from the cache */
ret = posix_fadvise(f, offset, size, POSIX_FADV_DONTNEED);
if (ret == ENOSYS) {
/* call is not supported, like in armhf, see posix_fadvise manpage */
ret = 0;
}
if (ret != 0) {
/* LCOV_EXCL_START */
errno = ret; /* posix_fadvise return the error code */