X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2Fpthread_mutex_unlock.c;h=39cea4b6d4fc0a9b45f43aa6671c51380f6a2031;hp=0275eb52e6e6a5e93f34a2037e601dbbaaccdfac;hb=29fae65780f4c5ccda3758828da7a83073297ccc;hpb=e882756311c7b06e59fcc8e582f03852b7dcfd30

diff --git a/src/thread/pthread_mutex_unlock.c b/src/thread/pthread_mutex_unlock.c
index 0275eb52..39cea4b6 100644
--- a/src/thread/pthread_mutex_unlock.c
+++ b/src/thread/pthread_mutex_unlock.c
@@ -2,16 +2,13 @@
 
 int pthread_mutex_unlock(pthread_mutex_t *m)
 {
-	if (m->_m_type == PTHREAD_MUTEX_RECURSIVE) {
-		if (a_fetch_add(&m->_m_lock, -1)==1 && m->_m_waiters)
-			__wake(&m->_m_lock, 1, 0);
-		return 0;
+	if (m->_m_type != PTHREAD_MUTEX_NORMAL) {
+		if (m->_m_owner != pthread_self()->tid)
+		 	return EPERM;
+		if (m->_m_type == PTHREAD_MUTEX_RECURSIVE && --m->_m_count)
+			return 0;
 	}
 
-	if (m->_m_type == PTHREAD_MUTEX_ERRORCHECK
-	 && m->_m_owner != pthread_self()->tid)
-	 	return EPERM;
-
 	m->_m_owner = 0;
 	m->_m_lock = 0;
 	if (m->_m_waiters) __wake(&m->_m_lock, 1, 0);