0
0
mirror of https://github.com/nodejs/node.git synced 2024-11-29 23:16:30 +01:00
nodejs/test/async-hooks/test-graph.signal.js
Anna Henningsen 229dca3dee
test,tools: enable running tests under workers
Enable running tests inside workers by passing `--worker`
to `tools/test.py`. A number of tests are marked as skipped,
or have been slightly altered to fit the different environment.

PR-URL: https://github.com/nodejs/node/pull/20876
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Shingo Inoue <leko.noor@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: John-David Dalton <john.david.dalton@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
2018-06-06 19:44:11 +02:00

63 lines
2.0 KiB
JavaScript

'use strict';
const common = require('../common');
if (common.isWindows)
common.skip('no signals on Windows');
if (!common.isMainThread)
common.skip('No signal handling available in Workers');
const initHooks = require('./init-hooks');
const verifyGraph = require('./verify-graph');
const { exec } = require('child_process');
const hooks = initHooks();
hooks.enable();
const interval = setInterval(() => {}, 9999); // keep event loop open
process.on('SIGUSR2', common.mustCall(onsigusr2, 2));
let count = 0;
exec(`kill -USR2 ${process.pid}`);
function onsigusr2() {
count++;
if (count === 1) {
// trigger same signal handler again
exec(`kill -USR2 ${process.pid}`);
} else {
// install another signal handler
process.removeAllListeners('SIGUSR2');
process.on('SIGUSR2', common.mustCall(onsigusr2Again));
exec(`kill -USR2 ${process.pid}`);
}
}
function onsigusr2Again() {
clearInterval(interval); // let the event loop close
}
process.on('exit', onexit);
function onexit() {
hooks.disable();
verifyGraph(
hooks,
[ { type: 'SIGNALWRAP', id: 'signal:1', triggerAsyncId: null },
{ type: 'PROCESSWRAP', id: 'process:1', triggerAsyncId: null },
{ type: 'PIPEWRAP', id: 'pipe:1', triggerAsyncId: null },
{ type: 'PIPEWRAP', id: 'pipe:2', triggerAsyncId: null },
{ type: 'PIPEWRAP', id: 'pipe:3', triggerAsyncId: null },
{ type: 'PROCESSWRAP', id: 'process:2', triggerAsyncId: 'signal:1' },
{ type: 'PIPEWRAP', id: 'pipe:4', triggerAsyncId: 'signal:1' },
{ type: 'PIPEWRAP', id: 'pipe:5', triggerAsyncId: 'signal:1' },
{ type: 'PIPEWRAP', id: 'pipe:6', triggerAsyncId: 'signal:1' },
{ type: 'SIGNALWRAP', id: 'signal:2', triggerAsyncId: 'signal:1' },
{ type: 'PROCESSWRAP', id: 'process:3', triggerAsyncId: 'signal:1' },
{ type: 'PIPEWRAP', id: 'pipe:7', triggerAsyncId: 'signal:1' },
{ type: 'PIPEWRAP', id: 'pipe:8', triggerAsyncId: 'signal:1' },
{ type: 'PIPEWRAP', id: 'pipe:9', triggerAsyncId: 'signal:1' } ]
);
}