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https://github.com/facebookexperimental/reverie.git
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6813d9a7b2
Summary: This makes merge conflicts much easier to handle. Reviewed By: johnhurt Differential Revision: D37564000 fbshipit-source-id: a7f1a2711ffbdbb23c93e2f479f47d0368a2dad9
52 lines
1.4 KiB
Rust
52 lines
1.4 KiB
Rust
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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use reverie::Tool;
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use serde::Deserialize;
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use serde::Serialize;
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#[derive(Debug, Serialize, Deserialize, Default, Clone)]
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struct LocalState;
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#[reverie::tool]
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impl Tool for LocalState {}
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#[cfg(all(not(sanitized), test))]
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mod tests {
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use super::*;
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use reverie_ptrace::testing::check_fn;
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use std::sync::atomic::AtomicUsize;
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use std::sync::atomic::Ordering;
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use std::sync::Arc;
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use std::thread;
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use std::time;
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#[test]
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fn run_guest_spinlock_test() {
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check_fn::<LocalState, _>(move || {
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let lock = Arc::new(AtomicUsize::new(0));
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let mut handles: Vec<_> = (0..10)
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.map(|_| {
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let lock = lock.clone();
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thread::spawn(move || while lock.load(Ordering::Acquire) != 10 {})
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})
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.collect();
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handles.push(thread::spawn(move || {
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for _ in 0..10 {
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lock.fetch_add(1, Ordering::Release);
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let dur = time::Duration::from_millis(10);
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thread::sleep(dur);
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}
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}));
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for h in handles {
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let _ = h.join();
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}
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});
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}
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}
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