40 lines
1.4 KiB
Rust
40 lines
1.4 KiB
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-android since the dynamic linker sets a SIGPIPE handler (to do
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// a crash report) so inheritance is moot on the entire platform
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// libstd ignores SIGPIPE, and other libraries may set signal masks.
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// Make sure that these behaviors don't get inherited to children
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// spawned via std::process, since they're needed for traditional UNIX
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// filter behavior. This test checks that `yes | head` terminates
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// (instead of running forever), and that it does not print an error
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// message about a broken pipe.
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use std::process;
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use std::thread;
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#[cfg(unix)]
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fn main() {
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// Just in case `yes` doesn't check for EPIPE...
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thread::spawn(|| {
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thread::sleep_ms(5000);
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process::exit(1);
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});
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let output = process::Command::new("sh").arg("-c").arg("yes | head").output().unwrap();
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assert!(output.status.success());
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assert!(output.stderr.len() == 0);
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}
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#[cfg(not(unix))]
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fn main() {
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// Not worried about signal masks on other platforms
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}
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