From fa58d1bef832151a97d1f7b763a530b287bfb787 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20Kr=C3=B6ger?= <timokroeger93@gmail.com>
Date: Mon, 3 Jun 2024 22:56:25 +0200
Subject: [PATCH] Windows: Use futex implementation for `Once`
Keep the queue implementation for win7.
Inspired by PR #121956
---
library/std/src/sys/sync/once/mod.rs | 1 +
1 file changed, 1 insertion(+)
diff --git a/library/std/src/sys/sync/once/mod.rs b/library/std/src/sys/sync/once/mod.rs
index 61b29713fa1a9..0e38937b1219a 100644
--- a/library/std/src/sys/sync/once/mod.rs
+++ b/library/std/src/sys/sync/once/mod.rs
@@ -9,6 +9,7 @@
cfg_if::cfg_if! {
if #[cfg(any(
+ all(target_os = "windows", not(target_vendor="win7")),
target_os = "linux",
target_os = "android",
all(target_arch = "wasm32", target_feature = "atomics"),