From 29716b9624b41e9fb5b1ff1759cb3732997e5806 Mon Sep 17 00:00:00 2001
From: Brian Gianforcaro <bgianf@serenityos.org>
Date: Fri, 7 Jan 2022 00:35:05 -0800
Subject: [PATCH] LibPthread: Add POSIX spec links for pthread_once API

---
 Userland/Libraries/LibPthread/pthread_once.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Userland/Libraries/LibPthread/pthread_once.cpp b/Userland/Libraries/LibPthread/pthread_once.cpp
index 577a201810..ab435d4639 100644
--- a/Userland/Libraries/LibPthread/pthread_once.cpp
+++ b/Userland/Libraries/LibPthread/pthread_once.cpp
@@ -17,6 +17,7 @@ enum State : i32 {
     PERFORMING_WITH_WAITERS,
 };
 
+// https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_once.html
 int pthread_once(pthread_once_t* self, void (*callback)(void))
 {
     auto& state = reinterpret_cast<Atomic<State>&>(*self);