From b8688ff87574fad6b3056443a5385010952fb243 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Mon, 3 Oct 2011 00:11:16 -0400 Subject: [PATCH] fix crash if pthread_mutex_unlock is called without ever locking this is valid for error-checking mutexes; otherwise it invokes UB and would be justified in crashing. --- src/thread/pthread_mutex_unlock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/thread/pthread_mutex_unlock.c b/src/thread/pthread_mutex_unlock.c index 05baec18..6950872b 100644 --- a/src/thread/pthread_mutex_unlock.c +++ b/src/thread/pthread_mutex_unlock.c @@ -9,7 +9,7 @@ int pthread_mutex_unlock(pthread_mutex_t *m) if (m->_m_type != PTHREAD_MUTEX_NORMAL) { if (!m->_m_lock) return EPERM; - self = __pthread_self(); + self = pthread_self(); if ((m->_m_lock&0x1fffffff) != self->tid) return EPERM; if ((m->_m_type&3) == PTHREAD_MUTEX_RECURSIVE && m->_m_count) -- 2.25.1