enable private futex for process-local robust mutexes

[musl] / src / thread / pthread_attr_get.c

diff --git a/src/thread/pthread_attr_get.c b/src/thread/pthread_attr_get.c
index 03fc91e..3d296bf 100644 (file)
--- a/src/thread/pthread_attr_get.c
+++ b/src/thread/pthread_attr_get.c
@@ -75,7 +75,7 @@ int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *restrict a, int *re
 }
 int pthread_mutexattr_getpshared(const pthread_mutexattr_t *restrict a, int *restrict pshared)
 {
-       *pshared = a->__attr>>31;
+       *pshared = a->__attr / 128U % 2;
        return 0;
 }