diff options
Diffstat (limited to 'src/thread/pthread_rwlock_timedrdlock.c')
| -rw-r--r-- | src/thread/pthread_rwlock_timedrdlock.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/thread/pthread_rwlock_timedrdlock.c b/src/thread/pthread_rwlock_timedrdlock.c index a2b4d446..884b7a1e 100644 --- a/src/thread/pthread_rwlock_timedrdlock.c +++ b/src/thread/pthread_rwlock_timedrdlock.c @@ -3,6 +3,13 @@ int pthread_rwlock_timedrdlock(pthread_rwlock_t *restrict rw, const struct timespec *restrict at) { int r, t; + + r = pthread_rwlock_tryrdlock(rw); + if (r != EBUSY) return r; + + int spins = 100; + while (spins-- && rw->_rw_lock) a_spin(); + while ((r=pthread_rwlock_tryrdlock(rw))==EBUSY) { if (!(r=rw->_rw_lock) || (r&0x7fffffff)!=0x7fffffff) continue; t = r | 0x80000000; |