42 lines
989 B
Rust
42 lines
989 B
Rust
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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// compile-flags: -C lto
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// no-prefer-dynamic
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// ignore-emscripten no threads support
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use std::thread;
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static mut HIT: usize = 0;
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thread_local!(static A: Foo = Foo);
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struct Foo;
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impl Drop for Foo {
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fn drop(&mut self) {
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unsafe {
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HIT += 1;
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}
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}
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}
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fn main() {
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unsafe {
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assert_eq!(HIT, 0);
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thread::spawn(|| {
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assert_eq!(HIT, 0);
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A.with(|_| ());
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assert_eq!(HIT, 0);
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}).join().unwrap();
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assert_eq!(HIT, 1);
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}
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}
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