mirror of https://gitee.com/openkylin/nodejs.git
90 lines
2.4 KiB
JavaScript
90 lines
2.4 KiB
JavaScript
'use strict';
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const common = require('../common');
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if (common.isWindows) {
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// No way to send CTRL_C_EVENT to processes from JS right now.
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common.skip('platform not supported');
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}
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const assert = require('assert');
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const vm = require('vm');
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const spawn = require('child_process').spawn;
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const methods = [
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'runInThisContext',
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'runInContext'
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];
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if (process.argv[2] === 'child') {
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const method = process.argv[3];
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assert.ok(method);
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let firstHandlerCalled = 0;
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process.on('SIGINT', common.mustCall(() => {
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firstHandlerCalled++;
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// Handler attached _before_ execution.
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}, 2));
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let onceHandlerCalled = 0;
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process.once('SIGINT', common.mustCall(() => {
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onceHandlerCalled++;
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// Handler attached _before_ execution.
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}));
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const script = `process.send('${method}'); while(true) {}`;
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const args = method === 'runInContext' ?
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[vm.createContext({ process })] :
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[];
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const options = { breakOnSigint: true };
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assert.throws(
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() => { vm[method](script, ...args, options); },
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{
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code: 'ERR_SCRIPT_EXECUTION_INTERRUPTED',
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message: 'Script execution was interrupted by `SIGINT`'
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});
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assert.strictEqual(firstHandlerCalled, 0);
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assert.strictEqual(onceHandlerCalled, 0);
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// Keep the process alive for a while so that the second SIGINT can be caught.
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const timeout = setTimeout(() => {}, 1000);
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let afterHandlerCalled = 0;
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process.on('SIGINT', common.mustCall(() => {
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// Handler attached _after_ execution.
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if (afterHandlerCalled++ === 0) {
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// The first time it just bounces back to check that the `once()`
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// handler is not called the second time.
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assert.strictEqual(firstHandlerCalled, 1);
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assert.strictEqual(onceHandlerCalled, 1);
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process.send(method);
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return;
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}
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assert.strictEqual(onceHandlerCalled, 1);
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assert.strictEqual(firstHandlerCalled, 2);
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timeout.unref();
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}, 2));
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process.send(method);
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return;
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}
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for (const method of methods) {
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const child = spawn(process.execPath, [__filename, 'child', method], {
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stdio: [null, 'inherit', 'inherit', 'ipc']
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});
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child.on('message', common.mustCall(() => {
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// First kill() breaks the while(true) loop, second one invokes the real
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// signal handlers.
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process.kill(child.pid, 'SIGINT');
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}, 3));
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child.on('close', common.mustCall((code, signal) => {
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assert.strictEqual(signal, null);
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assert.strictEqual(code, 0);
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}));
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}
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