mirror of https://github.com/rust-lang/rust
60 lines
1.5 KiB
Rust
60 lines
1.5 KiB
Rust
//@ run-pass
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#![allow(stable_features)]
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//@ ignore-wasm32 no processes
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//@ ignore-sgx no processes
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#![feature(process_try_wait)]
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use std::env;
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use std::process::Command;
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use std::thread;
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use std::time::Duration;
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fn main() {
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let args = env::args().collect::<Vec<_>>();
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if args.len() != 1 {
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match &args[1][..] {
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"sleep" => thread::sleep(Duration::new(1_000, 0)),
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_ => {}
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}
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return
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}
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let mut me = Command::new(env::current_exe().unwrap())
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.arg("sleep")
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.spawn()
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.unwrap();
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let maybe_status = me.try_wait().unwrap();
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assert!(maybe_status.is_none());
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let maybe_status = me.try_wait().unwrap();
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assert!(maybe_status.is_none());
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me.kill().unwrap();
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me.wait().unwrap();
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let status = me.try_wait().unwrap().unwrap();
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assert!(!status.success());
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let status = me.try_wait().unwrap().unwrap();
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assert!(!status.success());
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let mut me = Command::new(env::current_exe().unwrap())
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.arg("return-quickly")
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.spawn()
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.unwrap();
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loop {
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match me.try_wait() {
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Ok(Some(res)) => {
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assert!(res.success());
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break
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}
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Ok(None) => {
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thread::sleep(Duration::from_millis(1));
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}
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Err(e) => panic!("error in try_wait: {}", e),
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}
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}
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let status = me.try_wait().unwrap().unwrap();
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assert!(status.success());
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}
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