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add new pa_mutex_try_lock() API

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2080 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-11-24 16:24:16 +00:00
parent 7a4242522e
commit 031289006b
2 changed files with 13 additions and 0 deletions
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12
src/pulsecore/mutex-posix.c
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@ -92,6 +92,18 @@ void pa_mutex_lock(pa_mutex *m) {
pa_assert_se(pthread_mutex_lock(&m->mutex) == 0);
}
pa_bool_t pa_mutex_try_lock(pa_mutex *m) {
int r;
pa_assert(m);
if ((r = pthread_mutex_trylock(&m->mutex)) != 0) {
pa_assert(r == EBUSY);
return FALSE;
}
return TRUE;
}
void pa_mutex_unlock(pa_mutex *m) {
pa_assert(m);