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
|
'use strict';
const EventEmitter = require('events');
const internalUtil = require('internal/util');
const util = require('util');
const defineProperty = Object.defineProperty;
const suicideDeprecationMessage =
'worker.suicide is deprecated. Please use worker.exitedAfterDisconnect.';
module.exports = Worker;
// Common Worker implementation shared between the cluster master and workers.
function Worker(options) {
if (!(this instanceof Worker))
return new Worker(options);
EventEmitter.call(this);
if (options === null || typeof options !== 'object')
options = {};
this.exitedAfterDisconnect = undefined;
defineProperty(this, 'suicide', {
get: internalUtil.deprecate(
() => this.exitedAfterDisconnect,
suicideDeprecationMessage),
set: internalUtil.deprecate(
(val) => { this.exitedAfterDisconnect = val; },
suicideDeprecationMessage),
enumerable: true
});
this.state = options.state || 'none';
this.id = options.id | 0;
if (options.process) {
this.process = options.process;
this.process.on('error', (code, signal) =>
this.emit('error', code, signal)
);
this.process.on('message', (message, handle) =>
this.emit('message', message, handle)
);
}
}
util.inherits(Worker, EventEmitter);
Worker.prototype.kill = function() {
this.destroy.apply(this, arguments);
};
Worker.prototype.send = function() {
return this.process.send.apply(this.process, arguments);
};
Worker.prototype.isDead = function() {
return this.process.exitCode != null || this.process.signalCode != null;
};
Worker.prototype.isConnected = function() {
return this.process.connected;
};
|
