mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-11-05 13:29:57 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

add new pa_mutex_try_lock() API

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

12
src/pulsecore/mutex-posix.c
View file

@ -92,6 +92,18 @@ void pa_mutex_lock(pa_mutex *m) {
pa_assert_se(pthread_mutex_lock(&m->mutex) == 0); 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) { void pa_mutex_unlock(pa_mutex *m) {
pa_assert(m); pa_assert(m);

1
src/pulsecore/mutex.h
View file

@ -37,6 +37,7 @@ pa_mutex* pa_mutex_new(pa_bool_t recursive, pa_bool_t inherit_priority);
void pa_mutex_free(pa_mutex *m); void pa_mutex_free(pa_mutex *m);
void pa_mutex_lock(pa_mutex *m); void pa_mutex_lock(pa_mutex *m);
pa_bool_t pa_mutex_try_lock(pa_mutex *m);
void pa_mutex_unlock(pa_mutex *m); void pa_mutex_unlock(pa_mutex *m);
typedef struct pa_cond pa_cond; typedef struct pa_cond pa_cond;