return correct values

1 files changed, 13 insertions, 1 deletions

diff --git a/src/threads/mtx_timedlock.c b/src/threads/mtx_timedlock.c
index a24c213d..1e8ec23b 100644
--- a/src/threads/mtx_timedlock.c
+++ b/src/threads/mtx_timedlock.c
@@ -1,7 +1,19 @@
 #include <threads.h>
 #include <pthread.h>
+#include <errno.h>
 
 int mtx_timedlock(mtx_t *restrict mtx, const struct timespec *restrict ts)
 {
-	return pthread_mutex_timedlock(mtx, ts);
+	switch (pthread_mutex_timedlock(mtx, ts)) {
+	case 0:
+		return thrd_success;
+
+	case ETIMEDOUT:
+		return thrd_timedout;
+
+	default:
+		break;
+	}
+
+	return thrd_error;
 }