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unix: Unsafe-wrap stack_overflow::cleanup

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Editorialize on the wisdom of this as we do.
This commit is contained in:
Jubilee Young 2024-07-16 21:07:44 -07:00
parent 357ba1f8ec
commit fa628ceaff
1 changed files with 6 additions and 1 deletions
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7
library/std/src/sys/pal/unix/stack_overflow.rs
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@ -155,8 +155,13 @@ mod imp {
} }
} }
/// # Safety
/// Must be called only once
#[forbid(unsafe_op_in_unsafe_fn)]
pub unsafe fn cleanup() { pub unsafe fn cleanup() {
drop_handler(MAIN_ALTSTACK.load(Ordering::Relaxed)); // FIXME: I probably cause more bugs than I'm worth!
// see https://github.com/rust-lang/rust/issues/111272
unsafe { drop_handler(MAIN_ALTSTACK.load(Ordering::Relaxed)) };
} }
unsafe fn get_stack() -> libc::stack_t { unsafe fn get_stack() -> libc::stack_t {