diff options
Diffstat (limited to 'src/thread/pthread_mutex_timedlock.c')
| -rw-r--r-- | src/thread/pthread_mutex_timedlock.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/thread/pthread_mutex_timedlock.c b/src/thread/pthread_mutex_timedlock.c index 2a959d25..116a8b7b 100644 --- a/src/thread/pthread_mutex_timedlock.c +++ b/src/thread/pthread_mutex_timedlock.c @@ -8,6 +8,12 @@ int pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec * int r, t, priv = (m->_m_type & 128) ^ 128; + r = pthread_mutex_trylock(m); + if (r != EBUSY) return r; + + int spins = 100; + while (spins-- && m->_m_lock) a_spin(); + while ((r=pthread_mutex_trylock(m)) == EBUSY) { if (!(r=m->_m_lock) || ((r&0x40000000) && (m->_m_type&4))) continue; |