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Diffstat (limited to 'src/thread/pthread_mutex_lock.c')
-rw-r--r--src/thread/pthread_mutex_lock.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/thread/pthread_mutex_lock.c b/src/thread/pthread_mutex_lock.c
index 56111ec8..477b3d80 100644
--- a/src/thread/pthread_mutex_lock.c
+++ b/src/thread/pthread_mutex_lock.c
@@ -4,9 +4,9 @@ int pthread_mutex_lock(pthread_mutex_t *m)
{
int r;
while ((r=pthread_mutex_trylock(m)) == EBUSY) {
- if (!(r=m->_m_lock)) continue;
- if (m->_m_type == PTHREAD_MUTEX_ERRORCHECK
- && r == pthread_self()->tid)
+ if (!(r=m->_m_lock) || (r&0x40000000)) continue;
+ if ((m->_m_type&3) == PTHREAD_MUTEX_ERRORCHECK
+ && (r&0x1fffffff) == pthread_self()->tid)
return EDEADLK;
__wait(&m->_m_lock, &m->_m_waiters, r, 0);
}