diff options
Diffstat (limited to 'main/alsa-utils/alsa-utils_portable-mutex.patch')
| -rw-r--r-- | main/alsa-utils/alsa-utils_portable-mutex.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/main/alsa-utils/alsa-utils_portable-mutex.patch b/main/alsa-utils/alsa-utils_portable-mutex.patch new file mode 100644 index 0000000000..5def7830d7 --- /dev/null +++ b/main/alsa-utils/alsa-utils_portable-mutex.patch @@ -0,0 +1,27 @@ +--- alsa-utils-1.0.27.2.org/alsaloop/pcmjob.c ++++ alsa-utils-1.0.27.2/alsaloop/pcmjob.c +@@ -62,11 +62,22 @@ + }; + #endif + +-static pthread_mutex_t pcm_open_mutex = +- PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP; ++static pthread_once_t pcm_open_mutex_once = PTHREAD_ONCE_INIT; ++static pthread_mutex_t pcm_open_mutex; + ++static void pcm_open_init_mutex(void) ++{ ++ pthread_mutexattr_t attr; ++ ++ pthread_mutexattr_init(&attr); ++ pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); ++ pthread_mutex_init(&pcm_open_mutex, &attr); ++ pthread_mutexattr_destroy(&attr); ++} ++ + static inline void pcm_open_lock(void) + { ++ pthread_once(&pcm_open_mutex_once, pcm_open_init_mutex); + if (workarounds & WORKAROUND_SERIALOPEN) + pthread_mutex_lock(&pcm_open_mutex); + } |