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| author | Jubilee Young <workingjubilee@gmail.com> | 2024-07-16 21:07:44 -0700 |
|---|---|---|
| committer | Jubilee Young <workingjubilee@gmail.com> | 2024-07-18 15:22:17 -0700 |
| commit | fa628ceaff4e24fad699cc651cc6e7d521b642a9 (patch) | |
| tree | 07879c784dc97b175250ba1b96f68c33bf5c2e52 | |
| parent | 357ba1f8ec0326b9f285224fee8a97691485475f (diff) | |
| download | rust-fa628ceaff4e24fad699cc651cc6e7d521b642a9.tar.gz rust-fa628ceaff4e24fad699cc651cc6e7d521b642a9.zip | |
unix: Unsafe-wrap stack_overflow::cleanup
Editorialize on the wisdom of this as we do.
| -rw-r--r-- | library/std/src/sys/pal/unix/stack_overflow.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/library/std/src/sys/pal/unix/stack_overflow.rs b/library/std/src/sys/pal/unix/stack_overflow.rs index 160e58e16a5..e016f3b3ca4 100644 --- a/library/std/src/sys/pal/unix/stack_overflow.rs +++ b/library/std/src/sys/pal/unix/stack_overflow.rs @@ -155,8 +155,13 @@ mod imp { } } + /// # Safety + /// Must be called only once + #[forbid(unsafe_op_in_unsafe_fn)] 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 { |