1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
// 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.
'use strict';
require('../common');
const assert = require('assert');
const cluster = require('cluster');
const OK = 2;
if (cluster.isMaster) {
const worker = cluster.fork();
worker.on('exit', (code) => {
assert.strictEqual(code, OK);
process.exit(0);
});
const result = worker.send('SOME MESSAGE');
assert.strictEqual(result, true);
return;
}
// Messages sent to a worker will be emitted on both the process object and the
// process.worker object.
assert(cluster.isWorker);
let sawProcess;
let sawWorker;
const messages = [];
const check = (m) => {
messages.push(m);
if (messages.length < 2) return;
assert.deepStrictEqual(messages[0], messages[1]);
cluster.worker.once('error', (e) => {
assert.strictEqual(e, 'HI');
process.exit(OK);
});
process.emit('error', 'HI');
};
process.on('message', (m) => {
assert(!sawProcess);
sawProcess = true;
check(m);
});
cluster.worker.on('message', (m) => {
assert(!sawWorker);
sawWorker = true;
check(m);
});
|
