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'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 vm = require('vm');
const spawn = require('child_process').spawn;
const methods = [
'runInThisContext',
'runInContext',
];
if (process.argv[2] === 'child') {
const method = process.argv[3];
assert.ok(method);
let firstHandlerCalled = 0;
process.on('SIGINT', common.mustCall(() => {
firstHandlerCalled++;
// Handler attached _before_ execution.
}, 2));
let onceHandlerCalled = 0;
process.once('SIGINT', common.mustCall(() => {
onceHandlerCalled++;
// Handler attached _before_ execution.
}));
const script = `process.send('${method}'); while(true) {}`;
const args = method === 'runInContext' ?
[vm.createContext({ process })] :
[];
const options = { breakOnSigint: true };
assert.throws(
() => { vm[method](script, ...args, options); },
{
code: 'ERR_SCRIPT_EXECUTION_INTERRUPTED',
message: 'Script execution was interrupted by `SIGINT`'
});
assert.strictEqual(firstHandlerCalled, 0);
assert.strictEqual(onceHandlerCalled, 0);
// Keep the process alive for a while so that the second SIGINT can be caught.
const timeout = setTimeout(() => {}, 1000);
let afterHandlerCalled = 0;
process.on('SIGINT', common.mustCall(() => {
// Handler attached _after_ execution.
if (afterHandlerCalled++ === 0) {
// The first time it just bounces back to check that the `once()`
// handler is not called the second time.
assert.strictEqual(firstHandlerCalled, 1);
assert.strictEqual(onceHandlerCalled, 1);
process.send(method);
return;
}
assert.strictEqual(onceHandlerCalled, 1);
assert.strictEqual(firstHandlerCalled, 2);
timeout.unref();
}, 2));
process.send(method);
return;
}
for (const method of methods) {
const child = spawn(process.execPath, [__filename, 'child', method], {
stdio: [null, 'inherit', 'inherit', 'ipc']
});
child.on('message', common.mustCall(() => {
// First kill() breaks the while(true) loop, second one invokes the real
// signal handlers.
process.kill(child.pid, 'SIGINT');
}, 3));
child.on('close', common.mustCall((code, signal) => {
assert.strictEqual(signal, null);
assert.strictEqual(code, 0);
}));
}
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