1 files changed, 9 insertions, 0 deletions
diff --git a/src/thread/pthread_mutex_lock.c b/src/thread/pthread_mutex_lock.c
new file mode 100644
index 00000000..6696f17a
--- /dev/null
+++ b/src/thread/pthread_mutex_lock.c
@@ -0,0 +1,9 @@
+#include "pthread_impl.h"
+
+int pthread_mutex_lock(pthread_mutex_t *m)
+{
+	int r;
+	while ((r=pthread_mutex_trylock(m)) == EBUSY)
+		__wait(&m->__lock, &m->__waiters, 1, 0);
+	return r;
+}