unix: Unsafe-wrap stack_overflow::cleanup

workingjubilee · workingjubilee · commit c496f0583dae · 2024-07-16T21:43:07.000-07:00
diff --git a/library/std/src/sys/pal/unix/stack_overflow.rs b/library/std/src/sys/pal/unix/stack_overflow.rs
@@ -157,8 +157,11 @@ mod imp {
         mem::forget(handler);
     }
 
+    /// # Safety
+    /// Must be called only once
+    #[forbid(unsafe_op_in_unsafe_fn)]
     pub unsafe fn cleanup() {
-        drop_handler(MAIN_ALTSTACK.load(Ordering::Relaxed));
+        unsafe { drop_handler(MAIN_ALTSTACK.load(Ordering::Relaxed)) };
     }
 
     unsafe fn get_stack() -> libc::stack_t {

Original file line number	Diff line number	Diff line change
`@@ -157,8 +157,11 @@ mod imp {`
`157`	`157`	`mem::forget(handler);`
`158`	`158`	`}`
`159`	`159`
	`160`	`+ /// # Safety`
	`161`	`+ /// Must be called only once`
	`162`	`+ #[forbid(unsafe_op_in_unsafe_fn)]`
`160`	`163`	`pub unsafe fn cleanup() {`
`161`		`- drop_handler(MAIN_ALTSTACK.load(Ordering::Relaxed));`
	`164`	`+ unsafe { drop_handler(MAIN_ALTSTACK.load(Ordering::Relaxed)) };`
`162`	`165`	`}`
`163`	`166`
`164`	`167`	`unsafe fn get_stack() -> libc::stack_t {`