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// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// xfail-fast
// compile-flags:--test
// NB: These tests kill child processes. Valgrind sees these children as leaking
// memory, which makes for some *confusing* logs. That's why these are here
// instead of in std.
use std::libc;
use std::run::*;
use std::run;
use std::str;
#[test]
fn test_destroy_once() {
let mut p = run::Process::new("echo", [], run::ProcessOptions::new());
p.destroy(); // this shouldn't crash (and nor should the destructor)
}
#[test]
fn test_destroy_twice() {
let mut p = run::Process::new("echo", [], run::ProcessOptions::new());
p.destroy(); // this shouldnt crash...
p.destroy(); // ...and nor should this (and nor should the destructor)
}
fn test_destroy_actually_kills(force: bool) {
#[cfg(unix)]
static BLOCK_COMMAND: &'static str = "cat";
#[cfg(windows)]
static BLOCK_COMMAND: &'static str = "cmd";
#[cfg(unix,not(target_os="android"))]
fn process_exists(pid: libc::pid_t) -> bool {
let run::ProcessOutput {output, _} = run::process_output("ps", [~"-p", pid.to_str()]);
str::from_utf8(output).contains(pid.to_str())
}
#[cfg(unix,target_os="android")]
fn process_exists(pid: libc::pid_t) -> bool {
let run::ProcessOutput {output, _} = run::process_output("/system/bin/ps", [pid.to_str()]);
str::from_utf8(output).contains(~"root")
}
#[cfg(windows)]
fn process_exists(pid: libc::pid_t) -> bool {
#[fixed_stack_segment];
use std::libc::types::os::arch::extra::DWORD;
use std::libc::funcs::extra::kernel32::{CloseHandle, GetExitCodeProcess, OpenProcess};
use std::libc::consts::os::extra::{FALSE, PROCESS_QUERY_INFORMATION, STILL_ACTIVE };
unsafe {
let proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid as DWORD);
if proc.is_null() {
return false;
}
// proc will be non-null if the process is alive, or if it died recently
let mut status = 0;
GetExitCodeProcess(proc, &mut status);
CloseHandle(proc);
return status == STILL_ACTIVE;
}
}
// this process will stay alive indefinitely trying to read from stdin
let mut p = run::Process::new(BLOCK_COMMAND, [], run::ProcessOptions::new());
assert!(process_exists(p.get_id()));
if force {
p.force_destroy();
} else {
p.destroy();
}
assert!(!process_exists(p.get_id()));
}
#[test]
fn test_unforced_destroy_actually_kills() {
test_destroy_actually_kills(false);
}
#[test]
fn test_forced_destroy_actually_kills() {
test_destroy_actually_kills(true);
}
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