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correct error returns for error-checking mutexes

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This commit is contained in:
Rich Felker
2011-03-16 16:25:00 -04:00
parent 29fae65780
commit d4f9e0b364
2 changed files with 6 additions and 2 deletions
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2
src/thread/pthread_mutex_trylock.c
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@ -11,7 +11,7 @@ int pthread_mutex_trylock(pthread_mutex_t *m)
if (m->_m_owner == tid) {
if (m->_m_type != PTHREAD_MUTEX_RECURSIVE)
return EDEADLK;
return EBUSY;
if ((unsigned)m->_m_count >= INT_MAX) return EAGAIN;
m->_m_count++;
return 0;