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'use strict';
// Test that a Linux specific quirk in the handle passing protocol is handled
// correctly. See https://github.com/joyent/node/issues/5330 for details.
const common = require('../common');
const assert = require('assert');
const net = require('net');
const spawn = require('child_process').spawn;
if (process.argv[2] === 'worker')
worker();
else
master();
function master() {
// spawn() can only create one IPC channel so we use stdin/stdout as an
// ad-hoc command channel.
const proc = spawn(process.execPath, [__filename, 'worker'], {
stdio: ['pipe', 'pipe', 'pipe', 'ipc']
});
let handle = null;
proc.on('exit', () => {
handle.close();
});
proc.stdout.on('data', common.mustCall((data) => {
assert.strictEqual(data.toString(), 'ok\r\n');
net.createServer(common.fail).listen(0, function() {
handle = this._handle;
proc.send('one');
proc.send('two', handle);
proc.send('three');
proc.stdin.write('ok\r\n');
});
}));
proc.stderr.pipe(process.stderr);
}
function worker() {
process._channel.readStop(); // Make messages batch up.
process.stdout.ref();
process.stdout.write('ok\r\n');
process.stdin.once('data', common.mustCall((data) => {
assert.strictEqual(data.toString(), 'ok\r\n');
process._channel.readStart();
}));
let n = 0;
process.on('message', common.mustCall((msg, handle) => {
n += 1;
if (n === 1) {
assert.strictEqual(msg, 'one');
assert.strictEqual(handle, undefined);
} else if (n === 2) {
assert.strictEqual(msg, 'two');
assert.ok(handle !== null && typeof handle === 'object');
handle.close();
} else if (n === 3) {
assert.strictEqual(msg, 'three');
assert.strictEqual(handle, undefined);
process.exit();
}
}, 3));
}