42 lines
857 B
Rust
42 lines
857 B
Rust
// ignore-windows: Concurrency on Windows is not supported yet.
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// compile-flags: -Zmiri-disable-isolation
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use std::thread::{spawn, sleep};
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use std::time::Duration;
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use std::mem;
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#[derive(Copy, Clone)]
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struct EvilSend<T>(pub T);
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unsafe impl<T> Send for EvilSend<T> {}
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unsafe impl<T> Sync for EvilSend<T> {}
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fn main() {
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let mut a = 0u32;
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let b = &mut a as *mut u32;
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let c = EvilSend(b);
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let join = unsafe {
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spawn(move || {
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*c.0 = 32;
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})
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};
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// Detatch the thread and sleep until it terminates
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mem::drop(join);
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sleep(Duration::from_millis(100));
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// Spawn and immediately join a thread
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// to execute the join code-path
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// and ensure that data-race detection
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// remains enabled
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spawn(|| ()).join().unwrap();
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unsafe {
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*c.0 = 64; //~ ERROR Data race
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}
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}
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