0N/A/*
2362N/A * Copyright (c) 2001, 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
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2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/Apackage sun.nio.ch;
0N/A
0N/Aimport java.nio.channels.spi.SelectorProvider;
0N/Aimport java.security.AccessController;
0N/Aimport java.security.PrivilegedAction;
0N/Aimport sun.security.action.GetPropertyAction;
0N/A
0N/A/**
0N/A * Creates this platform's default SelectorProvider
0N/A */
0N/A
0N/Apublic class DefaultSelectorProvider {
0N/A
0N/A /**
0N/A * Prevent instantiation.
0N/A */
0N/A private DefaultSelectorProvider() { }
0N/A
0N/A /**
0N/A * Returns the default SelectorProvider.
0N/A */
0N/A public static SelectorProvider create() {
0N/A String osname = AccessController.doPrivileged(
0N/A new GetPropertyAction("os.name"));
0N/A if ("SunOS".equals(osname)) {
0N/A return new sun.nio.ch.DevPollSelectorProvider();
0N/A }
0N/A
0N/A // use EPollSelectorProvider for Linux kernels >= 2.6
0N/A if ("Linux".equals(osname)) {
0N/A String osversion = AccessController.doPrivileged(
0N/A new GetPropertyAction("os.version"));
0N/A String[] vers = osversion.split("\\.", 0);
0N/A if (vers.length >= 2) {
0N/A try {
0N/A int major = Integer.parseInt(vers[0]);
0N/A int minor = Integer.parseInt(vers[1]);
0N/A if (major > 2 || (major == 2 && minor >= 6)) {
0N/A return new sun.nio.ch.EPollSelectorProvider();
0N/A }
0N/A } catch (NumberFormatException x) {
0N/A // format not recognized
0N/A }
0N/A }
0N/A }
0N/A
0N/A return new sun.nio.ch.PollSelectorProvider();
0N/A }
0N/A
0N/A}