From 36ffbf0e0d84b7361788316c46b2b60baf1962af Mon Sep 17 00:00:00 2001
From: Test_User <hax@andrewyu.org>
Date: Tue, 23 Jul 2024 23:25:46 -0400
Subject: Fix semaphore code

---
 mutex.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'mutex.h')

diff --git a/mutex.h b/mutex.h
index 651f0da..7eb89cf 100644
--- a/mutex.h
+++ b/mutex.h
@@ -86,6 +86,7 @@ inline void mutex_destroy(char *lock) {
 #else
 
 #include <semaphore.h>
+#include <errno.h>
 
 #define MUTEX_TYPE sem_t
 
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