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8287200: Test java/lang/management/ThreadMXBean/VirtualThreadDeadlocks.java timed out after JDK-8287103

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Reviewed-by: kevinw, cjplummer, alanb
This commit is contained in:
Leonid Mesnik 2022-05-27 05:29:25 +00:00
parent ec97da93c1
commit 176bb23de1
1 changed files with 7 additions and 5 deletions
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12
test/jdk/java/lang/management/ThreadMXBean/VirtualThreadDeadlocks.java
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@ -35,13 +35,14 @@
import java.lang.management.ManagementFactory;
import java.lang.management.ThreadMXBean;
import java.util.Arrays;
import java.util.concurrent.CyclicBarrier;
import java.util.stream.Stream;
public class VirtualThreadDeadlocks {
private static final Object LOCK1 = new Object();
private static final Object LOCK2 = new Object();
private static volatile boolean lock2Held;
private static final CyclicBarrier barrier = new CyclicBarrier(2);
/**
* PP = test deadlock with two platform threads
@ -56,9 +57,7 @@ public class VirtualThreadDeadlocks {
: Thread.ofVirtual();
Thread thread1 = builder1.start(() -> {
synchronized (LOCK1) {
while (!lock2Held) {
try { Thread.sleep(10); } catch (Exception e) { }
}
try { barrier.await(); } catch (Exception ie) {}
synchronized (LOCK2) { }
}
});
@ -70,7 +69,7 @@ public class VirtualThreadDeadlocks {
: Thread.ofVirtual();
Thread thread2 = builder2.start(() -> {
synchronized (LOCK2) {
lock2Held = true;
try { barrier.await(); } catch (Exception ie) {}
synchronized (LOCK1) { }
}
});
@ -98,6 +97,9 @@ public class VirtualThreadDeadlocks {
private static void awaitBlocked(Thread thread) throws InterruptedException {
while (thread.getState() != Thread.State.BLOCKED) {
Thread.sleep(10);
if (!thread.isAlive()) {
throw new RuntimeException("Thread " + thread + " is terminated.");
}
}
}