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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
// 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.
var common = require('../common');
var assert = require('assert');
var cluster = require('cluster');
if (cluster.isWorker) {
// keep the worker alive
var http = require('http');
http.Server().listen(common.PORT, '127.0.0.1');
} else if (process.argv[2] === 'cluster') {
var worker = cluster.fork();
// send PID info to testcase process
process.send({
pid: worker.process.pid
});
// terminate the cluster process
worker.once('listening', function() {
setTimeout(function() {
process.exit(0);
}, 1000);
});
} else {
// This is the testcase
var fork = require('child_process').fork;
// is process alive helper
var isAlive = function(pid) {
try {
//this will throw an error if the process is dead
process.kill(pid, 0);
return true;
} catch (e) {
return false;
}
};
// Spawn a cluster process
var master = fork(process.argv[1], ['cluster']);
// get pid info
var pid = null;
master.once('message', function(data) {
pid = data.pid;
});
// When master is dead
var alive = true;
master.on('exit', function(code) {
// make sure that the master died by purpose
assert.equal(code, 0);
// check worker process status
setTimeout(function() {
alive = isAlive(pid);
}, 1000);
});
process.once('exit', function() {
// cleanup: kill the worker if alive
if (alive) {
process.kill(pid);
}
assert.equal(typeof pid, 'number', 'did not get worker pid info');
assert.equal(alive, false, 'worker was alive after master died');
});
}
|
