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| author | Rich Felker <dalias@aerifal.cx> | 2011-10-03 00:11:16 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-10-03 00:11:16 -0400 |
| commit | b8688ff87574fad6b3056443a5385010952fb243 (patch) | |
| tree | 7df75ffc26a4ea088ed100bd03309326bdbfce20 | |
| parent | 7fe58d3511387ab6c57909f6e4baef58acd6bd56 (diff) | |
| download | musl-b8688ff87574fad6b3056443a5385010952fb243.tar.gz musl-b8688ff87574fad6b3056443a5385010952fb243.tar.xz musl-b8688ff87574fad6b3056443a5385010952fb243.zip | |
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.
| -rw-r--r-- | src/thread/pthread_mutex_unlock.c | 2 |
1 files changed, 1 insertions, 1 deletions
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) |