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-rw-r--r--src/thread/pthread_mutex_trylock.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/thread/pthread_mutex_trylock.c b/src/thread/pthread_mutex_trylock.c
index 31587e1f..e8515179 100644
--- a/src/thread/pthread_mutex_trylock.c
+++ b/src/thread/pthread_mutex_trylock.c
@@ -22,7 +22,10 @@ int __pthread_mutex_trylock_owner(pthread_mutex_t *m)
}
if (own == 0x40000000) return ENOTRECOVERABLE;
- self->robust_list.pending = &m->_m_next;
+ if (m->_m_type & 128) {
+ if (m->_m_waiters) tid |= 0x80000000;
+ self->robust_list.pending = &m->_m_next;
+ }
if ((own && (!(own & 0x40000000) || !(type & 4)))
|| a_cas(&m->_m_lock, old, tid) != old) {