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'use strict';
const common = require('../common');
const assert = require('assert');
const cluster = require('cluster');
const net = require('net');
if (cluster.isMaster) {
// Master opens and binds the socket and shares it with the worker.
cluster.schedulingPolicy = cluster.SCHED_NONE;
// Hog the TCP port so that when the worker tries to bind, it'll fail.
const server = net.createServer(common.mustNotCall());
server.listen(common.PORT, common.mustCall(() => {
const worker = cluster.fork();
worker.on('exit', common.mustCall((exitCode) => {
assert.strictEqual(exitCode, 0);
server.close();
}));
}));
} else {
const s = net.createServer(common.mustNotCall());
s.listen(common.PORT, common.mustNotCall('listen should have failed'));
s.on('error', common.mustCall((err) => {
assert.strictEqual(err.code, 'EADDRINUSE');
process.disconnect();
}));
}