Fixes #19247.
use alloc::boxed::Box;
use core::mem;
-use core::prelude::{Drop, None, Option, Some};
+use core::prelude::{Send, Drop, None, Option, Some};
pub use core::atomic::{AtomicBool, AtomicInt, AtomicUint, AtomicPtr};
pub use core::atomic::{Ordering, Relaxed, Release, Acquire, AcqRel, SeqCst};
p: AtomicUint,
}
-impl<T> AtomicOption<T> {
+impl<T: Send> AtomicOption<T> {
/// Create a new `AtomicOption`
pub fn new(p: Box<T>) -> AtomicOption<T> {
unsafe { AtomicOption { p: AtomicUint::new(mem::transmute(p)) } }
}
#[unsafe_destructor]
-impl<T> Drop for AtomicOption<T> {
+impl<T: Send> Drop for AtomicOption<T> {
fn drop(&mut self) {
let _ = self.take(SeqCst);
}
--- /dev/null
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::sync::atomic::AtomicOption;
+
+fn main() {
+ let x = 0u;
+ AtomicOption::new(box &x); //~ ERROR `x` does not live long enough
+}
--- /dev/null
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::kinds::marker;
+use std::sync::atomic::AtomicOption;
+
+fn main() {
+ AtomicOption::new(box marker::NoSend); //~ ERROR `core::kinds::Send` is not implemented
+}