87 lines
2.8 KiB
Java
87 lines
2.8 KiB
Java
/*
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* Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.net.SocketException;
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import java.nio.channels.DatagramChannel;
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import java.nio.channels.Pipe;
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import java.nio.channels.ServerSocketChannel;
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import java.nio.channels.SocketChannel;
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import java.nio.channels.spi.SelectorProvider;
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public class Open {
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static void test1() {
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for (int i=0; i<11000; i++) {
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try {
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SocketChannel sc = SocketChannel.open();
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} catch (Exception e) {
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// Presumably "Too many open files"
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}
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}
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}
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static void test2() {
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for (int i=0; i<11000; i++) {
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try {
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DatagramChannel sc = DatagramChannel.open();
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} catch (Exception e) {
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// Presumably "Too many open files"
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}
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}
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}
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static void test3() {
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SelectorProvider sp = SelectorProvider.provider();
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for (int i=0; i<11000; i++) {
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try {
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Pipe p = sp.openPipe();
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} catch (Exception e) {
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// Presumably "Too many open files"
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}
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}
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}
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static void test4() {
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for (int i=0; i<11000; i++) {
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try {
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ServerSocketChannel sc = ServerSocketChannel.open();
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} catch (Exception e) {
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// Presumably "Too many open files"
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}
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}
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}
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public static void main(String[] args) throws Exception {
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// Load necessary classes ahead of time
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DatagramChannel dc = DatagramChannel.open();
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Exception se = new SocketException();
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SelectorProvider sp = SelectorProvider.provider();
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Pipe p = sp.openPipe();
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ServerSocketChannel ssc = ServerSocketChannel.open();
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test1();
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test2();
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test3();
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test4();
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}
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}
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