From 1dfa386d7045ba083abcda3133cc1036067e19d8 Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gbeutner@serenityos.org>
Date: Fri, 30 Apr 2021 00:29:04 +0200
Subject: [PATCH] LibC: Add missing initialization for the FILE mutex

---
 Userland/Libraries/LibC/stdio.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Userland/Libraries/LibC/stdio.cpp b/Userland/Libraries/LibC/stdio.cpp
index 3e75b859fe..b12c547e5d 100644
--- a/Userland/Libraries/LibC/stdio.cpp
+++ b/Userland/Libraries/LibC/stdio.cpp
@@ -30,6 +30,7 @@ public:
         : m_fd(fd)
         , m_mode(mode)
     {
+        __pthread_mutex_init(&m_mutex, nullptr);
     }
     ~FILE();