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This commit is extracted from #122036 and adds a new directive to the `compiletest` test runner, `//@ needs-threads`. This is intended to capture the need that a target must implement threading to execute a specific test, typically one that uses `std::thread`. This is primarily done for WebAssembly targets which currently do not have threads by default. This enables transitioning a lot of `//@ ignore-wasm*`-style ignores into a more self-documenting `//@ needs-threads` directive. Additionally the `wasm32-wasi-preview1-threads` target, for example, does actually have threads, but isn't tested in CI at this time. This change enables running these tests for that target, but not other wasm targets.
24 lines
404 B
Rust
24 lines
404 B
Rust
//@ run-pass
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//@ needs-threads
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use std::thread;
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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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println!("test2");
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}
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}
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thread_local!(static FOO: Foo = Foo);
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fn main() {
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// Off the main thread due to #28129, be sure to initialize FOO first before
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// calling `println!`
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thread::spawn(|| {
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FOO.with(|_| {});
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println!("test1");
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}).join().unwrap();
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}
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