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Diffstat (limited to 'src/thread/pthread_mutexattr_setrobust.c')
-rw-r--r--src/thread/pthread_mutexattr_setrobust.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/thread/pthread_mutexattr_setrobust.c b/src/thread/pthread_mutexattr_setrobust.c
index 4a296ba1..dcfa4cf1 100644
--- a/src/thread/pthread_mutexattr_setrobust.c
+++ b/src/thread/pthread_mutexattr_setrobust.c
@@ -3,7 +3,7 @@
int pthread_mutexattr_setrobust(pthread_mutexattr_t *a, int robust)
{
if (robust > 1U) return EINVAL;
- *a &= ~4;
- *a |= robust*4;
+ a->__attr &= ~4;
+ a->__attr |= robust*4;
return 0;
}