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path: root/src/thread/pthread_mutex_unlock.c
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Diffstat (limited to 'src/thread/pthread_mutex_unlock.c')
-rw-r--r--src/thread/pthread_mutex_unlock.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/src/thread/pthread_mutex_unlock.c b/src/thread/pthread_mutex_unlock.c
index 769d6e56..b4ed3f87 100644
--- a/src/thread/pthread_mutex_unlock.c
+++ b/src/thread/pthread_mutex_unlock.c
@@ -8,7 +8,6 @@ int pthread_mutex_unlock(pthread_mutex_t *m)
 	pthread_t self;
 	int waiters = m->_m_waiters;
 	int cont;
-	int robust = 0;
 	int type = m->_m_type & 15;
 	int priv = (m->_m_type & 128) ^ 128;
 
@@ -16,20 +15,19 @@ int pthread_mutex_unlock(pthread_mutex_t *m)
 		if (!m->_m_lock)
 			return EPERM;
 		self = __pthread_self();
-		if ((m->_m_lock&0x1fffffff) != self->tid)
+		if ((m->_m_lock&0x7fffffff) != self->tid)
 			return EPERM;
 		if ((type&3) == PTHREAD_MUTEX_RECURSIVE && m->_m_count)
 			return m->_m_count--, 0;
-		if (type >= 4) {
-			robust = 1;
+		if (!priv) {
 			self->robust_list.pending = &m->_m_next;
-			*(void **)m->_m_prev = m->_m_next;
-			if (m->_m_next) ((void **)m->_m_next)[-1] = m->_m_prev;
 			__vm_lock_impl(+1);
 		}
+		*(void **)m->_m_prev = m->_m_next;
+		if (m->_m_next) ((void **)m->_m_next)[-1] = m->_m_prev;
 	}
 	cont = a_swap(&m->_m_lock, 0);
-	if (robust) {
+	if (type != PTHREAD_MUTEX_NORMAL && !priv) {
 		self->robust_list.pending = 0;
 		__vm_unlock_impl();
 	}