| /* OperatingSystemMXBean.java - Interface for an operating system bean |
| Copyright (C) 2006 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package java.lang.management; |
| |
| /** |
| * Provides access to information about the underlying operating |
| * system. An instance of this bean is obtained by calling |
| * {@link ManagementFactory#getOperatingSystemMXBean()}. |
| * |
| * @author Andrew John Hughes (gnu_andrew@member.fsf.org) |
| * @since 1.5 |
| */ |
| public interface OperatingSystemMXBean |
| { |
| |
| /** |
| * Returns the name of the underlying system architecture. This |
| * is equivalent to obtaining the <code>os.arch</code> property |
| * via {@link System#getProperty(String)}. |
| * |
| * @return the name of the underlying system architecture on which |
| * the VM is running. |
| * @throws SecurityException if a security manager exists which |
| * prevents access to the name property. |
| * @see java.lang.System#getProperty(String) |
| * @see java.lang.SecurityManager#checkPropertyAccess(String) |
| */ |
| String getArch(); |
| |
| /** |
| * Returns the number of processors currently available to the |
| * virtual machine. This number is subject to change during |
| * execution of the virtual machine, and will always be >= 1. |
| * The call is equivalent to {@link Runtime#availableProcessors()}. |
| * |
| * @return the number of processors available to the VM. |
| */ |
| int getAvailableProcessors(); |
| |
| /** |
| * Returns the name of the underlying operating system. This |
| * is equivalent to obtaining the <code>os.name</code> property |
| * via {@link System#getProperty(String)}. |
| * |
| * @return the name of the operating system on which the VM |
| * is running. |
| * @throws SecurityException if a security manager exists which |
| * prevents access to the name property. |
| * @see java.lang.System#getProperty(String) |
| * @see java.lang.SecurityManager#checkPropertyAccess(String) |
| */ |
| String getName(); |
| |
| /** |
| * Returns the version of the underlying operating system. This |
| * is equivalent to obtaining the <code>os.version</code> property |
| * via {@link System#getProperty(String)}. |
| * |
| * @return the version of the operating system on which the VM |
| * is running. |
| * @throws SecurityException if a security manager exists which |
| * prevents access to the name property. |
| * @see java.lang.System#getProperty(String) |
| * @see java.lang.SecurityManager#checkPropertyAccess(String) |
| */ |
| String getVersion(); |
| |
| } |