diff options
Diffstat (limited to 'src/thread')
| -rw-r--r-- | src/thread/__wait.c | 2 | ||||
| -rw-r--r-- | src/thread/pthread_mutex_timedlock.c | 2 | ||||
| -rw-r--r-- | src/thread/pthread_rwlock_timedrdlock.c | 2 | ||||
| -rw-r--r-- | src/thread/pthread_rwlock_timedwrlock.c | 2 | ||||
| -rw-r--r-- | src/thread/sem_timedwait.c | 2 |
5 files changed, 5 insertions, 5 deletions
diff --git a/src/thread/__wait.c b/src/thread/__wait.c index c1d6b61c..01ee5982 100644 --- a/src/thread/__wait.c +++ b/src/thread/__wait.c @@ -4,7 +4,7 @@ void __wait(volatile int *addr, volatile int *waiters, int val, int priv) { int spins=100; if (priv) priv = 128; - while (spins--) { + while (spins-- && (!waiters || !*waiters)) { if (*addr==val) a_spin(); else return; } diff --git a/src/thread/pthread_mutex_timedlock.c b/src/thread/pthread_mutex_timedlock.c index 116a8b7b..ae883f90 100644 --- a/src/thread/pthread_mutex_timedlock.c +++ b/src/thread/pthread_mutex_timedlock.c @@ -12,7 +12,7 @@ int pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec * if (r != EBUSY) return r; int spins = 100; - while (spins-- && m->_m_lock) a_spin(); + while (spins-- && m->_m_lock && !m->_m_waiters) a_spin(); while ((r=pthread_mutex_trylock(m)) == EBUSY) { if (!(r=m->_m_lock) || ((r&0x40000000) && (m->_m_type&4))) diff --git a/src/thread/pthread_rwlock_timedrdlock.c b/src/thread/pthread_rwlock_timedrdlock.c index 884b7a1e..ea50da4a 100644 --- a/src/thread/pthread_rwlock_timedrdlock.c +++ b/src/thread/pthread_rwlock_timedrdlock.c @@ -8,7 +8,7 @@ int pthread_rwlock_timedrdlock(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_tryrdlock(rw))==EBUSY) { if (!(r=rw->_rw_lock) || (r&0x7fffffff)!=0x7fffffff) continue; diff --git a/src/thread/pthread_rwlock_timedwrlock.c b/src/thread/pthread_rwlock_timedwrlock.c index f02b174b..8d04f561 100644 --- a/src/thread/pthread_rwlock_timedwrlock.c +++ b/src/thread/pthread_rwlock_timedwrlock.c @@ -8,7 +8,7 @@ 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) { if (!(r=rw->_rw_lock)) continue; diff --git a/src/thread/sem_timedwait.c b/src/thread/sem_timedwait.c index df5f3a6c..b5a60add 100644 --- a/src/thread/sem_timedwait.c +++ b/src/thread/sem_timedwait.c @@ -11,7 +11,7 @@ int sem_timedwait(sem_t *restrict sem, const struct timespec *restrict at) if (!sem_trywait(sem)) return 0; int spins = 100; - while (spins-- && sem->__val[0] <= 0) a_spin(); + while (spins-- && sem->__val[0] <= 0 && !sem->__val[1]) a_spin(); while (sem_trywait(sem)) { int r; |