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unix: acquire-load NEED_ALTSTACK

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Co-authored-by: Jonas Böttiger <jonasboettiger@icloud.com>
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Jubilee 2024-07-18 15:24:40 -07:00 • committed by GitHub
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library/std/src/sys/pal/unix/stack_overflow.rs
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@ -210,7 +210,7 @@ mod imp {
/// Mutates the alternate signal stack /// Mutates the alternate signal stack
#[forbid(unsafe_op_in_unsafe_fn)] #[forbid(unsafe_op_in_unsafe_fn)]
pub unsafe fn make_handler(main_thread: bool) -> Handler { pub unsafe fn make_handler(main_thread: bool) -> Handler {
if !NEED_ALTSTACK.load(Ordering::Relaxed) { if !NEED_ALTSTACK.load(Ordering::Acquire) {
return Handler::null(); return Handler::null();
} }