[drlvm][thread] Thread isn't resumed if call Thread.suspend() more than ones before Thread.resume()
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Key: HARMONY-4385
URL: https://issues.apache.org/jira/browse/HARMONY-4385
Project: Harmony
Issue Type: Bug
Components: DRLVM
Reporter: Elena Sayapina
Priority: Minor
Thread isn't resumed if call Thread.suspend() more than ones before Thread.resume(),
If Thread.suspend() call number = Thread.resume() call number then thread is resumed.
Please, consider the following code:
public class suspendTest {
static int iter = 0;
static boolean flag = false;
public static void main(String[] args) {
TestThread thread = new TestThread();
System.out.println("Start...");
try {
thread.start();
Thread.currentThread().sleep(3000);
thread.suspend();
thread.suspend();
Thread.currentThread().sleep(1000);
iter = 0;
flag = false;
thread.resume();
Thread.currentThread().sleep(3000);
thread.stop();
if (flag) System.out.println("TEST PASSED");
else System.out.println("TEST FAILED: thread wasn't resumed");
} catch (Exception e) {
System.out.println("TEST FAILED: unexpected " + e);
}
}
}
class TestThread extends Thread {
public void run () {
while(suspendTest.iter < Integer.MAX_VALUE) {
suspendTest.flag = true;
try {
Thread.currentThread().sleep(300);
} catch (InterruptedException e) {}
suspendTest.iter++;
}
System.out.println("WARNING: out of cycle");
}
}
Output on Harmony-r553727:
Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors,
as applicable.
java version "1.5.0"
pre-alpha : not complete or compatible
svn = r553727, (Jul 6 2007), Windows/ia32/msvc 1310, release build
http://harmony.apache.org
Start...
TEST FAILED: thread wasn't resumed
Output on RI:
java version "1.5.0_11"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_11-b03)
Java HotSpot(TM) Client VM (build 1.5.0_11-b03, mixed mode)
Start...
TEST PASSED
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