1 files changed, 13 insertions, 1 deletions
diff --git a/src/threads/mtx_trylock.c b/src/threads/mtx_trylock.c
index c04741d6..cf2b6005 100644
--- a/src/threads/mtx_trylock.c
+++ b/src/threads/mtx_trylock.c
@@ -1,7 +1,19 @@
 #include <threads.h>
 #include <pthread.h>
+#include <errno.h>
 
 int mtx_trylock(mtx_t *mtx)
 {
-	return pthread_mutex_trylock(mtx);
+	switch (pthread_mutex_trylock(mtx)) {
+	case 0:
+		return thrd_success;
+
+	case EBUSY:
+		return thrd_busy;
+
+	default:
+		break;
+	}
+
+	return thrd_error;
 }