node/test/parallel/test-util-sigint-watchdog.js
Joyee Cheung 19e3e02a2d
src: move SIGINT watchdog utils to the contextify binding
These are used when evaluating scripts so it makes more sense
to put them in the contextify binding whose other methods are
going to be used together.

PR-URL: https://github.com/nodejs/node/pull/27290
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
2019-04-22 18:43:40 +08:00

62 lines
1.9 KiB
JavaScript

// Flags: --expose-internals
'use strict';
const common = require('../common');
if (common.isWindows) {
// No way to send CTRL_C_EVENT to processes from JS right now.
common.skip('platform not supported');
}
const assert = require('assert');
const { internalBinding } = require('internal/test/binding');
const binding = internalBinding('contextify');
[(next) => {
// Test with no signal observed.
binding.startSigintWatchdog();
const hadPendingSignals = binding.stopSigintWatchdog();
assert.strictEqual(hadPendingSignals, false);
next();
},
(next) => {
// Test with one call to the watchdog, one signal.
binding.startSigintWatchdog();
process.kill(process.pid, 'SIGINT');
waitForPendingSignal(common.mustCall(() => {
const hadPendingSignals = binding.stopSigintWatchdog();
assert.strictEqual(hadPendingSignals, true);
next();
}));
},
(next) => {
// Nested calls are okay.
binding.startSigintWatchdog();
binding.startSigintWatchdog();
process.kill(process.pid, 'SIGINT');
waitForPendingSignal(common.mustCall(() => {
const hadPendingSignals1 = binding.stopSigintWatchdog();
const hadPendingSignals2 = binding.stopSigintWatchdog();
assert.strictEqual(hadPendingSignals1, true);
assert.strictEqual(hadPendingSignals2, false);
next();
}));
},
() => {
// Signal comes in after first call to stop.
binding.startSigintWatchdog();
binding.startSigintWatchdog();
const hadPendingSignals1 = binding.stopSigintWatchdog();
process.kill(process.pid, 'SIGINT');
waitForPendingSignal(common.mustCall(() => {
const hadPendingSignals2 = binding.stopSigintWatchdog();
assert.strictEqual(hadPendingSignals1, false);
assert.strictEqual(hadPendingSignals2, true);
}));
}].reduceRight((a, b) => common.mustCall(b).bind(null, a))();
function waitForPendingSignal(cb) {
if (binding.watchdogHasPendingSigint())
cb();
else
setTimeout(waitForPendingSignal, 10, cb);
}