diff options
Diffstat (limited to 'src/thread/pthread_mutex_lock.c')
| -rw-r--r-- | src/thread/pthread_mutex_lock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/thread/pthread_mutex_lock.c b/src/thread/pthread_mutex_lock.c index 477b3d80..87b19752 100644 --- a/src/thread/pthread_mutex_lock.c +++ b/src/thread/pthread_mutex_lock.c @@ -3,6 +3,10 @@ int pthread_mutex_lock(pthread_mutex_t *m) { int r; + + if (m->_m_type == PTHREAD_MUTEX_NORMAL && !a_swap(&m->_m_lock, 1)) + return 0; + while ((r=pthread_mutex_trylock(m)) == EBUSY) { if (!(r=m->_m_lock) || (r&0x40000000)) continue; if ((m->_m_type&3) == PTHREAD_MUTEX_ERRORCHECK |