X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_cond_broadcast.c;h=69f840fb4faee7d1f402771dba6f02b157a935c5;hb=e3bc22f1eff87b8f029a6ab31f1a269d69e4b053;hp=3daa78174b99b77473542cf42735c905c4072d97;hpb=cba4e1c0a3423ed07ef5c79f6e29360996f32fd7;p=musl

diff --git a/src/thread/pthread_cond_broadcast.c b/src/thread/pthread_cond_broadcast.c
index 3daa7817..69f840fb 100644
--- a/src/thread/pthread_cond_broadcast.c
+++ b/src/thread/pthread_cond_broadcast.c
@@ -1,47 +1,12 @@
 #include "pthread_impl.h"
 
-static void unlock(pthread_cond_t *c)
-{
-	a_dec(&c->_c_bcast);
-	if (c->_c_leavers) __wake(&c->_c_bcast, -1, 0);
-}
+int __private_cond_signal(pthread_cond_t *, int);
 
 int pthread_cond_broadcast(pthread_cond_t *c)
 {
-	pthread_mutex_t *m;
-	int w;
-
+	if (!c->_c_shared) return __private_cond_signal(c, -1);
 	if (!c->_c_waiters) return 0;
-	a_inc(&c->_c_bcast);
-	if (!c->_c_waiters) {
-		unlock(c);
-		return 0;
-	}
-
-	a_store(&c->_c_block, 0);
-
-	m = c->_c_mutex;
-
-	/* If mutex ptr is not available, simply wake all waiters. */
-	if (m == (void *)-1) {
-		unlock(c);
-		__wake(&c->_c_block, -1, 0);
-		return 0;
-	}
-
-	/* Move waiter count to the mutex */
-	for (;;) {
-		w = c->_c_waiters;
-		a_fetch_add(&m->_m_waiters, w);
-		if (a_cas(&c->_c_waiters, w, 0) == w) break;
-		a_fetch_add(&m->_m_waiters, -w);
-	}
-
-	/* Perform the futex requeue, waking one waiter if and only if
-	 * the calling thread does not hold the mutex. */
-	__syscall(SYS_futex, &c->_c_block, FUTEX_REQUEUE,
-		m->_m_lock!=pthread_self()->tid, INT_MAX, &m->_m_lock);
-
-	unlock(c);
+	a_inc(&c->_c_seq);
+	__wake(&c->_c_seq, -1, 0);
 	return 0;
 }