/
child_process.js
49 lines (44 loc) · 1.33 KB
/
child_process.js
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'use strict';
const assert = require('assert');
const common = require('./');
// Workaround for Windows Server 2008R2
// When CMD is used to launch a process and CMD is killed too quickly, the
// process can stay behind running in suspended state, never completing.
function cleanupStaleProcess(filename) {
if (!common.isWindows) {
return;
}
process.once('beforeExit', () => {
const basename = filename.replace(/.*[/\\]/g, '');
try {
require('child_process')
.execFileSync(`${process.env.SystemRoot}\\System32\\wbem\\WMIC.exe`, [
'process',
'where',
`commandline like '%${basename}%child'`,
'delete',
'/nointeractive',
]);
} catch {
// Ignore failures, there might not be any stale process to clean up.
}
});
}
// This should keep the child process running long enough to expire
// the timeout.
const kExpiringChildRunTime = common.platformTimeout(20 * 1000);
const kExpiringParentTimer = 1;
assert(kExpiringChildRunTime > kExpiringParentTimer);
function logAfterTime(time) {
setTimeout(() => {
// The following console statements are part of the test.
console.log('child stdout');
console.error('child stderr');
}, time);
}
module.exports = {
cleanupStaleProcess,
logAfterTime,
kExpiringChildRunTime,
kExpiringParentTimer,
};