/*
* Enables or disables the cache. Note that the cache is read-only, changes to
* the working directory are NOT reflected in the cache while enabled.
*/
int fscache_enable(int enable)
{
int result;
if (!initialized) {
/* allow the cache to be disabled entirely */
if (!core_fscache)
return 0;
InitializeCriticalSection(&mutex);
hashmap_init(&map, (hashmap_cmp_fn) fsentry_cmp, NULL, 0);
initialized = 1;
}
result = enable ? InterlockedIncrement(&enabled)
: InterlockedDecrement(&enabled);
if (enable && result == 1) {
/* redirect opendir and lstat to the fscache implementations */
opendir = fscache_opendir;
lstat = fscache_lstat;
} else if (!enable && !result) {
/* reset opendir and lstat to the original implementations */
opendir = dirent_opendir;
lstat = mingw_lstat;
EnterCriticalSection(&mutex);
fscache_clear();
LeaveCriticalSection(&mutex);
}
trace_printf_key(&trace_fscache, "fscache: enable(%d)\n", enable);
return result;
}
/*
* Flush cached stats result when fscache is enabled.
*/
void fscache_flush(void)
{
struct fscache *cache = fscache_getcache();
if (cache && cache->enabled) {
fscache_clear(cache);
}
}
/*
* Flush cached stats result when fscache is enabled.
*/
void fscache_flush(void)
{
if (enabled) {
EnterCriticalSection(&mutex);
fscache_clear();
LeaveCriticalSection(&mutex);
}
}
