1 files changed, 23 insertions, 0 deletions
diff --git a/src/thread/pthread_mutexattr_setrobust.c b/src/thread/pthread_mutexattr_setrobust.c
new file mode 100644
index 0000000..30a9ac3
--- /dev/null
+++ b/src/thread/pthread_mutexattr_setrobust.c
@@ -0,0 +1,23 @@
+#include "pthread_impl.h"
+#include "syscall.h"
+
+static volatile int check_robust_result = -1;
+
+int pthread_mutexattr_setrobust(pthread_mutexattr_t *a, int robust)
+{
+	if (robust > 1U) return EINVAL;
+	if (robust) {
+		int r = check_robust_result;
+		if (r < 0) {
+			void *p;
+			size_t l;
+			r = -__syscall(SYS_get_robust_list, 0, &p, &l);
+			a_store(&check_robust_result, r);
+		}
+		if (r) return r;
+		a->__attr |= 4;
+		return 0;
+	}
+	a->__attr &= ~4;
+	return 0;
+}