/*
* Copyright ( c ) 2002 , 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
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* questions .
*/
/* @test
* @ bug 4531740
* @ summary Checks that wakeup works for an empty Selector
* @ author kladko
*/
import java.nio.*;
import java.nio.channels.*;
public class WakeupEmpty {
private final static int SLEEP_TIME = 100 ;
public static void main(String[] argv) throws Exception {
final Selector sel = Selector.open();
Thread thread = new Thread () {
public void run() {
try {
sleep(SLEEP_TIME);
} catch (InterruptedException e) {
//ignore
}
sel.wakeup();
}
};
thread .start();
if (sel.select() != 0 )
throw new Exception("Zero expected" );
}
}
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