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fix the type of wchar_t on arm; support wchar_t varying with arch
[musl]
/
src
/
thread
/
pthread_mutex_unlock.c
diff --git
a/src/thread/pthread_mutex_unlock.c
b/src/thread/pthread_mutex_unlock.c
index
39cea4b
..
0f4a5e6
100644
(file)
--- a/
src/thread/pthread_mutex_unlock.c
+++ b/
src/thread/pthread_mutex_unlock.c
@@
-2,15
+2,30
@@
int pthread_mutex_unlock(pthread_mutex_t *m)
{
int pthread_mutex_unlock(pthread_mutex_t *m)
{
+ pthread_t self;
+ int waiters = m->_m_waiters;
+ int cont;
+
if (m->_m_type != PTHREAD_MUTEX_NORMAL) {
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)
+ if (!m->_m_lock)
+ return EPERM;
+ self = __pthread_self();
+ if ((m->_m_lock&0x1fffffff) != self->tid)
+ return EPERM;
+ if ((m->_m_type&3) == PTHREAD_MUTEX_RECURSIVE && --m->_m_count)
return 0;
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;
+ cont = a_swap(&m->_m_lock, 0);
+ self->robust_list.pending = 0;
+ goto wake;
+ }
}
}
-
- m->_m_owner = 0;
- m->_m_lock = 0;
-
if (m->_m_waiters)
__wake(&m->_m_lock, 1, 0);
+ cont = a_swap(&m->_m_lock, 0);
+wake:
+ if (waiters || cont<0)
+
__wake(&m->_m_lock, 1, 0);
return 0;
}
return 0;
}