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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
// Make sure that sync writes to stderr get processed before exiting.
var common = require('../common.js');
var assert = require('assert');
var util = require('util');
var errnoException = util._errnoException;
function parent() {
var spawn = require('child_process').spawn;
var assert = require('assert');
var i = 0;
children.forEach(function(_, c) {
var child = spawn(process.execPath, [__filename, '' + c]);
var err = '';
child.stderr.on('data', function(c) {
err += c;
});
child.on('close', function() {
assert.equal(err, 'child ' + c + '\nfoo\nbar\nbaz\n');
console.log('ok %d child #%d', ++i, c);
if (i === children.length)
console.log('1..' + i);
});
});
}
function child0() {
// Just a very simple wrapper around TTY(2)
// Essentially the same as stderr, but without all the net stuff.
var Writable = require('stream').Writable;
var util = require('util');
// a lowlevel stderr writer
var TTY = process.binding('tty_wrap').TTY;
var handle = new TTY(2, false);
util.inherits(W, Writable);
function W(opts) {
Writable.call(this, opts);
}
W.prototype._write = function(chunk, encoding, cb) {
var req = { oncomplete: afterWrite };
var err = handle.writeUtf8String(req, chunk.toString() + '\n');
if (err) throw errnoException(err, 'write');
// here's the problem.
// it needs to tell the Writable machinery that it's ok to write
// more, but that the current buffer length is handle.writeQueueSize
if (req.writeQueueSize === 0)
req.cb = cb;
else
cb();
}
function afterWrite(status, handle, req) {
if (req.cb)
req.cb();
}
var w = new W
w.write('child 0');
w.write('foo');
w.write('bar');
w.write('baz');
}
// using console.error
function child1() {
console.error('child 1');
console.error('foo');
console.error('bar');
console.error('baz');
}
// using process.stderr
function child2() {
process.stderr.write('child 2\n');
process.stderr.write('foo\n');
process.stderr.write('bar\n');
process.stderr.write('baz\n');
}
// using a net socket
function child3() {
var net = require('net');
var socket = new net.Socket({ fd: 2 });
socket.write('child 3\n');
socket.write('foo\n');
socket.write('bar\n');
socket.write('baz\n');
}
function child4() {
console.error('child 4\nfoo\nbar\nbaz');
}
function child5() {
process.stderr.write('child 5\nfoo\nbar\nbaz\n');
}
var children = [ child0, child1, child2, child3, child4, child5 ];
if (!process.argv[2]) {
parent();
} else {
children[process.argv[2]]();
// immediate process.exit to kill any waiting stuff.
process.exit();
}