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'use strict';
const common = require('../common');
const assert = require('assert');
const fork = require('child_process').fork;
const net = require('net');
if ((process.config.variables.arm_version === '6') ||
(process.config.variables.arm_version === '7')) {
common.skip('Too slow for armv6 and armv7 bots');
return;
}
const N = 80;
if (process.argv[2] !== 'child') {
for (let i = 0; i < N; ++i) {
const worker = fork(__filename, ['child']);
worker.once('message', common.mustCall((msg, handle) => {
assert.strictEqual(msg, 'handle');
assert.ok(handle);
worker.send('got');
let recvData = '';
handle.on('data', common.mustCall((data) => {
recvData += data;
}));
handle.on('end', () => {
assert.strictEqual(recvData, 'hello');
worker.kill();
});
}));
}
} else {
let socket;
let cbcalls = 0;
function socketConnected() {
if (++cbcalls === 2)
process.send('handle', socket);
}
// As a side-effect, listening for the message event will ref the IPC channel,
// so the child process will stay alive as long as it has a parent process/IPC
// channel. Once this is done, we can unref our client and server sockets, and
// the only thing keeping this worker alive will be IPC. This is important,
// because it means a worker with no parent will have no referenced handles,
// thus no work to do, and will exit immediately, preventing process leaks.
process.on('message', function() {});
const server = net.createServer((c) => {
process.once('message', function(msg) {
assert.strictEqual(msg, 'got');
c.end('hello');
});
socketConnected();
}).unref();
server.listen(0, common.localhostIPv4, () => {
const port = server.address().port;
socket = net.connect(port, common.localhostIPv4, socketConnected).unref();
});
}
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