diff options
Diffstat (limited to 'src/thread/pthread_mutex_unlock.c')
| -rw-r--r-- | src/thread/pthread_mutex_unlock.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/thread/pthread_mutex_unlock.c b/src/thread/pthread_mutex_unlock.c index 3733788d..67aa7ba5 100644 --- a/src/thread/pthread_mutex_unlock.c +++ b/src/thread/pthread_mutex_unlock.c @@ -2,14 +2,23 @@ int pthread_mutex_unlock(pthread_mutex_t *m) { + pthread_t self; + if (m->_m_type != PTHREAD_MUTEX_NORMAL) { - if (!m->_m_lock || m->_m_lock != __pthread_self()->tid) + self = __pthread_self(); + if ((m->_m_lock&0x1fffffff) != self->tid) return EPERM; - if (m->_m_type == PTHREAD_MUTEX_RECURSIVE && --m->_m_count) + if ((m->_m_type&3) == PTHREAD_MUTEX_RECURSIVE && --m->_m_count) return 0; + if (m->_m_type >= 4) { + 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; + } } m->_m_lock = 0; if (m->_m_waiters) __wake(&m->_m_lock, 1, 0); + if (m->_m_type >= 4) self->robust_list.pending = 0; return 0; } |