From 23f3857cdd404275044be599666081e1a8a7a287 Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Thu, 14 Jul 2022 03:30:42 +0300
Subject: [PATCH] SystemServer: Create /tmp/semaphore on startup

This directory will store all LibPthread named semaphores
---
 Userland/Services/SystemServer/main.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Userland/Services/SystemServer/main.cpp b/Userland/Services/SystemServer/main.cpp
index c2ae144d76..8f78d72691 100644
--- a/Userland/Services/SystemServer/main.cpp
+++ b/Userland/Services/SystemServer/main.cpp
@@ -465,6 +465,15 @@ static ErrorOr<void> create_tmp_coredump_directory()
     return {};
 }
 
+static ErrorOr<void> create_tmp_semaphore_directory()
+{
+    dbgln("Creating /tmp/semaphore directory");
+    auto old_umask = umask(0);
+    TRY(Core::System::mkdir("/tmp/semaphore"sv, 0777));
+    umask(old_umask);
+    return {};
+}
+
 ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
     bool user = false;
@@ -481,6 +490,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     if (!user) {
         TRY(create_tmp_coredump_directory());
+        TRY(create_tmp_semaphore_directory());
         TRY(determine_system_mode());
     }