1 #include "pthread_impl.h"
3 int pthread_mutex_unlock(pthread_mutex_t *m)
6 int waiters = m->_m_waiters;
9 if (m->_m_type != PTHREAD_MUTEX_NORMAL) {
12 self = __pthread_self();
13 if ((m->_m_lock&0x1fffffff) != self->tid)
15 if ((m->_m_type&3) == PTHREAD_MUTEX_RECURSIVE && --m->_m_count)
17 if (m->_m_type >= 4) {
18 self->robust_list.pending = &m->_m_next;
19 *(void **)m->_m_prev = m->_m_next;
20 if (m->_m_next) ((void **)m->_m_next)[-1] = m->_m_prev;
21 cont = a_swap(&m->_m_lock, 0);
22 self->robust_list.pending = 0;
26 cont = a_swap(&m->_m_lock, 0);
28 if (waiters || cont<0)
29 __wake(&m->_m_lock, 1, 0);