enable private futex for process-local robust mutexes

[musl] / src / thread / pthread_mutex_consistent.c

diff --git a/src/thread/pthread_mutex_consistent.c b/src/thread/pthread_mutex_consistent.c
index 65da29f..baea0ff 100644 (file)
--- a/src/thread/pthread_mutex_consistent.c
+++ b/src/thread/pthread_mutex_consistent.c
@@ -2,7 +2,7 @@
 
 int pthread_mutex_consistent(pthread_mutex_t *m)
 {
-       if (m->_m_type < 8) return EINVAL;
+       if ((m->_m_type & 15) < 8) return EINVAL;
        if ((m->_m_lock & 0x3fffffff) != __pthread_self()->tid)
                return EPERM;
        m->_m_type -= 8;