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Diffstat (limited to 'src/thread/pthread_mutexattr_setpshared.c')
-rw-r--r--src/thread/pthread_mutexattr_setpshared.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/thread/pthread_mutexattr_setpshared.c b/src/thread/pthread_mutexattr_setpshared.c
new file mode 100644
index 0000000..100f6ff
--- /dev/null
+++ b/src/thread/pthread_mutexattr_setpshared.c
@@ -0,0 +1,9 @@
+#include "pthread_impl.h"
+
+int pthread_mutexattr_setpshared(pthread_mutexattr_t *a, int pshared)
+{
+ if (pshared > 1U) return EINVAL;
+ a->__attr &= ~128U;
+ a->__attr |= pshared<<7;
+ return 0;
+}