/*
* Copyright ( c ) 2015 , 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 .
*/
/*
* @ test
* @ summary Deadlocked client
*/
public class Deadlock {
public double e;
private volatile int i;
public static void main(String[] args) {
new Deadlock().test();
}
private void test() {
final Object a = new Object();
final Object b = new Object();
new Thread (new Runnable() {
@Override
public void run() {
synchronized (a) {
do {
i |= 1 ;
} while (i != 3 );
synchronized (b) {
e = 1 ;
}
}
}}).start();
synchronized (b) {
do {
i |= 2 ;
} while (i != 3 );
synchronized (a) {
e = 2 ;
}
}
}
}
Messung V0.5 in Prozent C=91 H=92 G=91
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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