X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_cond_timedwait.c;h=6b761455c47f0f8c8afde4e2d57768208efc06ba;hb=b1dfb734a45d4f74c7a24c5f07d37f7e74451802;hp=3526ecfb6d2eee92817dd00da769fe9dc3bdb4f4;hpb=a46677af1863f3d050f216a43dfdf4818210c266;p=musl

diff --git a/src/thread/pthread_cond_timedwait.c b/src/thread/pthread_cond_timedwait.c
index 3526ecfb..6b761455 100644
--- a/src/thread/pthread_cond_timedwait.c
+++ b/src/thread/pthread_cond_timedwait.c
@@ -1,10 +1,5 @@
 #include "pthread_impl.h"
 
-void __pthread_testcancel(void);
-int __pthread_mutex_lock(pthread_mutex_t *);
-int __pthread_mutex_unlock(pthread_mutex_t *);
-int __pthread_setcancelstate(int, int *);
-
 /*
  * struct waiter
  *
@@ -54,7 +49,7 @@ static inline void unlock_requeue(volatile int *l, volatile int *r, int w)
 {
 	a_store(l, 0);
 	if (w) __wake(l, 1, 1);
-	else __syscall(SYS_futex, l, FUTEX_REQUEUE|128, 0, 1, r) != -ENOSYS
+	else __syscall(SYS_futex, l, FUTEX_REQUEUE|FUTEX_PRIVATE, 0, 1, r) != -ENOSYS
 		|| __syscall(SYS_futex, l, FUTEX_REQUEUE, 0, 1, r);
 }
 
@@ -151,14 +146,18 @@ relock:
 
 	if (oldstate == WAITING) goto done;
 
-	if (!node.next) a_inc(&m->_m_waiters);
+	if (!node.next && !(m->_m_type & 8))
+		a_inc(&m->_m_waiters);
 
 	/* Unlock the barrier that's holding back the next waiter, and
 	 * either wake it or requeue it to the mutex. */
-	if (node.prev)
-		unlock_requeue(&node.prev->barrier, &m->_m_lock, m->_m_type & 128);
-	else
-		a_dec(&m->_m_waiters);
+	if (node.prev) {
+		int val = m->_m_lock;
+		if (val>0) a_cas(&m->_m_lock, val, val|0x80000000);
+		unlock_requeue(&node.prev->barrier, &m->_m_lock, m->_m_type & (8|128));
+	} else if (!(m->_m_type & 8)) {
+		a_dec(&m->_m_waiters);		
+	}
 
 	/* Since a signal was consumed, cancellation is not permitted. */
 	if (e == ECANCELED) e = 0;