/*
* Copyright ( c ) 2002 , 2017 , 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 .
*/
import java.net.SocketException;
import java.nio.channels.DatagramChannel;
import java.nio.channels.Pipe;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.nio.channels.spi.SelectorProvider;
public class Open {
static void test1() {
for (int i=0 ; i<11000 ; i++) {
try {
SocketChannel sc = SocketChannel.open();
} catch (Exception e) {
// Presumably "Too many open files"
}
}
}
static void test2() {
for (int i=0 ; i<11000 ; i++) {
try {
DatagramChannel sc = DatagramChannel.open();
} catch (Exception e) {
// Presumably "Too many open files"
}
}
}
static void test3() {
SelectorProvider sp = SelectorProvider.provider();
for (int i=0 ; i<11000 ; i++) {
try {
Pipe p = sp.openPipe();
} catch (Exception e) {
// Presumably "Too many open files"
}
}
}
static void test4() {
for (int i=0 ; i<11000 ; i++) {
try {
ServerSocketChannel sc = ServerSocketChannel.open();
} catch (Exception e) {
// Presumably "Too many open files"
}
}
}
public static void main(String[] args) throws Exception {
// Load necessary classes ahead of time
DatagramChannel dc = DatagramChannel.open();
Exception se = new SocketException();
SelectorProvider sp = SelectorProvider.provider();
Pipe p = sp.openPipe();
ServerSocketChannel ssc = ServerSocketChannel.open();
test1();
test2();
test3();
test4();
}
}
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