40 lines
971 B
Rust
40 lines
971 B
Rust
#![feature(anonymous_pipe)]
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fn main() {
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#[cfg(all(not(miri), any(unix, windows), not(target_os = "emscripten")))]
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{
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use std::io::{Read, pipe};
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use std::{env, process};
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if env::var("I_AM_THE_CHILD").is_ok() {
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child();
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} else {
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parent();
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}
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fn parent() {
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let me = env::current_exe().unwrap();
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let (rx, tx) = pipe().unwrap();
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assert!(
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process::Command::new(me)
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.env("I_AM_THE_CHILD", "1")
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.stdout(tx)
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.status()
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.unwrap()
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.success()
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);
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let mut s = String::new();
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(&rx).read_to_string(&mut s).unwrap();
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drop(rx);
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assert_eq!(s, "Heloo,\n");
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println!("Test pipe_subprocess.rs success");
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}
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fn child() {
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println!("Heloo,");
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}
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}
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}
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