diff options
Diffstat (limited to 'lib/libkse/thread/thr_mutex.c')
| -rw-r--r-- | lib/libkse/thread/thr_mutex.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/libkse/thread/thr_mutex.c b/lib/libkse/thread/thr_mutex.c index 0103a6c..fa9c8cf 100644 --- a/lib/libkse/thread/thr_mutex.c +++ b/lib/libkse/thread/thr_mutex.c @@ -222,6 +222,15 @@ pthread_mutex_trylock(pthread_mutex_t * mutex) */ else if (*mutex != NULL || (ret = init_static(mutex)) == 0) { /* + * If the mutex was statically allocated, properly + * initialize the tail queue. + */ + if (((*mutex)->m_flags & MUTEX_FLAGS_INITED) == 0) { + TAILQ_INIT(&(*mutex)->m_queue); + (*mutex)->m_flags |= MUTEX_FLAGS_INITED; + } + + /* * Guard against being preempted by a scheduling signal. * To support priority inheritence mutexes, we need to * maintain lists of mutex ownerships for each thread as @@ -352,6 +361,15 @@ pthread_mutex_lock(pthread_mutex_t * mutex) */ else if (*mutex != NULL || (ret = init_static(mutex)) == 0) { /* + * If the mutex was statically allocated, properly + * initialize the tail queue. + */ + if (((*mutex)->m_flags & MUTEX_FLAGS_INITED) == 0) { + TAILQ_INIT(&(*mutex)->m_queue); + (*mutex)->m_flags |= MUTEX_FLAGS_INITED; + } + + /* * Guard against being preempted by a scheduling signal. * To support priority inheritence mutexes, we need to * maintain lists of mutex ownerships for each thread as |
