/*
* Copyright ( c ) 2020 , 2022 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
package jdk.jfr.jvm;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicBoolean;
public class LatchedThread implements Runnable {
public final static ThreadGroup THREAD_GROUP = new ThreadGroup("Latched Threads" );
public final Thread thread ;
private final CountDownLatch latch = new CountDownLatch(1 );
private final AtomicBoolean alive = new AtomicBoolean(true );
public LatchedThread(String name, boolean isVirtual) {
if (isVirtual) {
thread = Thread .ofVirtual().name(name).unstarted(this );
} else {
thread = Thread .ofPlatform().name(name).group(THREAD_GROUP).unstarted(this );
}
}
public LatchedThread(String name) {
this (name, false );
}
public void start() {
thread .start();
}
public void join() throws InterruptedException {
thread .join();
}
public void awaitStarted() throws InterruptedException {
latch.await();
}
public long getId() {
return thread .getId();
}
public String getName() {
return thread .getName();
}
public Thread getThread() {
return thread ;
}
public void stopAndJoin() throws InterruptedException {
alive.set(false );
synchronized (alive) {
alive.notify();
}
join();
}
public void run() {
latch.countDown();
while (alive.get()) {
try {
synchronized (alive) {
alive.wait(10 );
}
} catch (InterruptedException e) {
// ignore
}
}
}
}
Messung V0.5 in Prozent C=94 H=85 G=89
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland