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cf46746b8a
PR-URL: https://github.com/nodejs/node/pull/45549 Reviewed-By: Daeyeon Jeong <daeyeon.dev@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Moshe Atlow <moshe@atlow.co.il> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
67 lines
2.2 KiB
JavaScript
67 lines
2.2 KiB
JavaScript
'use strict';
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const common = require('../common');
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if (common.isWindows)
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common.skip('no signals on Windows');
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if (!common.isMainThread)
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common.skip('No signal handling available in Workers');
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const initHooks = require('./init-hooks');
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const verifyGraph = require('./verify-graph');
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const { exec } = require('child_process');
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const hooks = initHooks();
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hooks.enable();
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const interval = setInterval(() => {}, 9999); // Keep event loop open
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process.on('SIGUSR2', common.mustCall(onsigusr2, 2));
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let count = 0;
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exec(`kill -USR2 ${process.pid}`);
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function onsigusr2() {
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count++;
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if (count === 1) {
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// Trigger same signal handler again
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exec(`kill -USR2 ${process.pid}`);
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} else {
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// Install another signal handler
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process.removeAllListeners('SIGUSR2');
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process.on('SIGUSR2', common.mustCall(onsigusr2Again));
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exec(`kill -USR2 ${process.pid}`);
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}
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}
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function onsigusr2Again() {
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clearInterval(interval); // Let the event loop close
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}
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process.on('exit', onexit);
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function onexit() {
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hooks.disable();
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verifyGraph(
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hooks,
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[ { type: 'SIGNALWRAP', id: 'signal:1', triggerAsyncId: null },
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{ type: 'PROCESSWRAP', id: 'process:1', triggerAsyncId: null },
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{ type: 'PIPEWRAP', id: 'pipe:1', triggerAsyncId: null },
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{ type: 'PIPEWRAP', id: 'pipe:2', triggerAsyncId: null },
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{ type: 'PIPEWRAP', id: 'pipe:3', triggerAsyncId: null },
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{ type: 'PROCESSWRAP', id: 'process:2', triggerAsyncId: 'signal:1' },
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{ type: 'PIPEWRAP', id: 'pipe:4', triggerAsyncId: 'signal:1' },
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{ type: 'PIPEWRAP', id: 'pipe:5', triggerAsyncId: 'signal:1' },
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{ type: 'PIPEWRAP', id: 'pipe:6', triggerAsyncId: 'signal:1' },
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{ type: 'SIGNALWRAP', id: 'signal:2',
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// TEST_THREAD_ID is set by tools/test.py. Adjust test results depending
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// on whether the test was invoked via test.py or from the shell
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// directly.
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triggerAsyncId: process.env.TEST_THREAD_ID ? 'signal:1' : 'pipe:2' },
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{ type: 'PROCESSWRAP', id: 'process:3', triggerAsyncId: 'signal:1' },
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{ type: 'PIPEWRAP', id: 'pipe:7', triggerAsyncId: 'signal:1' },
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{ type: 'PIPEWRAP', id: 'pipe:8', triggerAsyncId: 'signal:1' },
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{ type: 'PIPEWRAP', id: 'pipe:9', triggerAsyncId: 'signal:1' } ],
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);
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}
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