pthread_t self = __pthread_self();
int tid = self->tid;
- if (!self->robust_list.off) {
- __syscall(SYS_set_robust_list, &self->robust_list, 3*sizeof(long));
- self->robust_list.head = &self->robust_list.head;
- self->robust_list.off = (char*)&m->_m_lock-(char *)&m->_m_next;
- }
-
old = m->_m_lock;
own = old & 0x7fffffff;
if (own == tid && (type&3) == PTHREAD_MUTEX_RECURSIVE) {
m->_m_count++;
return 0;
}
- if (own == 0x40000000) return ENOTRECOVERABLE;
+ if (own == 0x7fffffff) return ENOTRECOVERABLE;
if (m->_m_type & 128) {
+ if (!self->robust_list.off) {
+ self->robust_list.off = (char*)&m->_m_lock-(char *)&m->_m_next;
+ __syscall(SYS_set_robust_list, &self->robust_list, 3*sizeof(long));
+ }
if (m->_m_waiters) tid |= 0x80000000;
self->robust_list.pending = &m->_m_next;
}
return 0;
}
-int pthread_mutex_trylock(pthread_mutex_t *m)
+int __pthread_mutex_trylock(pthread_mutex_t *m)
{
if ((m->_m_type&15) == PTHREAD_MUTEX_NORMAL)
return a_cas(&m->_m_lock, 0, EBUSY) & EBUSY;
return __pthread_mutex_trylock_owner(m);
}
+
+weak_alias(__pthread_mutex_trylock, pthread_mutex_trylock);