unify lock and owner fields of mutex structure
[musl] / src / thread / pthread_mutex_lock.c
index 8255614..56111ec 100644 (file)
@@ -4,10 +4,11 @@ int pthread_mutex_lock(pthread_mutex_t *m)
 {
        int r;
        while ((r=pthread_mutex_trylock(m)) == EBUSY) {
+               if (!(r=m->_m_lock)) continue;
                if (m->_m_type == PTHREAD_MUTEX_ERRORCHECK
-                && m->_m_owner == pthread_self()->tid)
+                && r == pthread_self()->tid)
                        return EDEADLK;
-               __wait(&m->_m_lock, &m->_m_waiters, 1, 0);
+               __wait(&m->_m_lock, &m->_m_waiters, r, 0);
        }
        return r;
 }