forked from cloudfoundry/jvmkill
-
Notifications
You must be signed in to change notification settings - Fork 1
/
JvmKillTestThreadsParallel.java
57 lines (55 loc) · 1.76 KB
/
JvmKillTestThreadsParallel.java
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
/*
* Copyright (c) 2015 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
public final class JvmKillTestThreadsParallel {
static final int PARALLEL_SPAWNING = 20;
static CountDownLatch startSignal;
static final Runnable spawner = new Runnable() {
public void run(){
try {
startSignal.await();
} catch (InterruptedException e) {}
while (true)
try {
System.out.print("*");
new Thread(spawned).start();
} catch(Exception e) {}
}
};
static final Runnable spawned = new Runnable() {
public void run(){
try {
Thread.currentThread().sleep(Integer.MAX_VALUE);
} catch(Exception e) {}
}
};
@SuppressWarnings("InfiniteLoopStatement")
public static void main(String[] args) throws Exception {
startSignal = new CountDownLatch(PARALLEL_SPAWNING);
System.out.print("Spawning Parallel Thread Spawner Threads:");
for (int i=0;i<PARALLEL_SPAWNING;i++) {
try {
new Thread(spawner).start();
System.out.print(".");
startSignal.countDown();
} catch (Throwable t) {
System.out.println(t.toString());
}
}
}
}