X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_rwlock_timedwrlock.c;h=d77706e6bc208f77ff8e886fe41b600af954e198;hb=595416b11dfbc82d40a59d0edd7e3b04ba7a2d6d;hp=f02b174b08aafc0e807c24df1893fd2a7551f538;hpb=97a7512b6819014d15c679c8998caa0006d13c29;p=musl diff --git a/src/thread/pthread_rwlock_timedwrlock.c b/src/thread/pthread_rwlock_timedwrlock.c index f02b174b..d77706e6 100644 --- a/src/thread/pthread_rwlock_timedwrlock.c +++ b/src/thread/pthread_rwlock_timedwrlock.c @@ -1,6 +1,6 @@ #include "pthread_impl.h" -int pthread_rwlock_timedwrlock(pthread_rwlock_t *restrict rw, const struct timespec *restrict at) +int __pthread_rwlock_timedwrlock(pthread_rwlock_t *restrict rw, const struct timespec *restrict at) { int r, t; @@ -8,16 +8,18 @@ int pthread_rwlock_timedwrlock(pthread_rwlock_t *restrict rw, const struct times if (r != EBUSY) return r; int spins = 100; - while (spins-- && rw->_rw_lock) a_spin(); + while (spins-- && rw->_rw_lock && !rw->_rw_waiters) a_spin(); - while ((r=pthread_rwlock_trywrlock(rw))==EBUSY) { + while ((r=__pthread_rwlock_trywrlock(rw))==EBUSY) { if (!(r=rw->_rw_lock)) continue; t = r | 0x80000000; a_inc(&rw->_rw_waiters); a_cas(&rw->_rw_lock, r, t); - r = __timedwait(&rw->_rw_lock, t, CLOCK_REALTIME, at, 0, 0, rw->_rw_shared^128); + r = __timedwait(&rw->_rw_lock, t, CLOCK_REALTIME, at, rw->_rw_shared^128); a_dec(&rw->_rw_waiters); if (r && r != EINTR) return r; } return r; } + +weak_alias(__pthread_rwlock_timedwrlock, pthread_rwlock_timedwrlock);