rt/mergerfs
1
0
Fork 0
mirror of https://github.com/trapexit/mergerfs.git synced 2026-10-26 19:01:56 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add debugging of mutexes (#1470)

Browse source 
When DEBUG defined it will used timed locks which will log when held
too long along with where.
This commit is contained in:
trapexit 2025-05-26 00:44:39 -05:00 • committed by GitHub
parent 4b751c2d37
commit 92312c8507
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
15 changed files with 352 additions and 432 deletions
Download patch file Download diff file Expand all files Collapse all files

24
src/policy_cache.cpp
View file

@ -1,5 +1,7 @@
#include "policy_cache.hpp"
#include "mutex.hpp"
#include <cstdlib>
#include <map>
#include <string>
@ -36,7 +38,7 @@ PolicyCache::Value::Value()
PolicyCache::PolicyCache(void)
: timeout(DEFAULT_TIMEOUT)
{
pthread_mutex_init(&_lock,NULL);
mutex_init(&_lock);
}
void
@ -45,11 +47,11 @@ PolicyCache::erase(const char *fusepath_)
if(timeout == 0)
return;
pthread_mutex_lock(&_lock);
mutex_lock(&_lock);
_cache.erase(fusepath_);
pthread_mutex_unlock(&_lock);
mutex_unlock(&_lock);
}
void
@ -66,7 +68,7 @@ PolicyCache::cleanup(const int prob_)
now = l::get_time();
pthread_mutex_lock(&_lock);
mutex_lock(&_lock);
i = _cache.begin();
while(i != _cache.end())
@ -77,17 +79,17 @@ PolicyCache::cleanup(const int prob_)
++i;
}
pthread_mutex_unlock(&_lock);
mutex_unlock(&_lock);
}
void
PolicyCache::clear(void)
{
pthread_mutex_lock(&_lock);
mutex_lock(&_lock);
_cache.clear();
pthread_mutex_unlock(&_lock);
mutex_unlock(&_lock);
}
int
@ -105,18 +107,18 @@ PolicyCache::operator()(const Policy::Search &policy_,
now = l::get_time();
pthread_mutex_lock(&_lock);
mutex_lock(&_lock);
v = &_cache[fusepath_];
if((now - v->time) >= timeout)
{
pthread_mutex_unlock(&_lock);
mutex_unlock(&_lock);
rv = policy_(branches_,fusepath_,paths_);
if(rv == -1)
return -1;
pthread_mutex_lock(&_lock);
mutex_lock(&_lock);
v->time = now;
v->paths = paths_;
}
@ -125,7 +127,7 @@ PolicyCache::operator()(const Policy::Search &policy_,
paths_ = v->paths;
}
pthread_mutex_unlock(&_lock);
mutex_unlock(&_lock);
return 0;
}