/*
* Copyright 2003-2005 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.management;
import sun.management.VMManagement;
/**
* Implementation class for the operating system.
* Standard and committed hotspot-specific metrics if any.
*
* ManagementFactory.getOperatingSystemMXBean() returns an instance
* of this class.
*/
class UnixOperatingSystem
extends sun.management.OperatingSystemImpl
implements UnixOperatingSystemMXBean {
UnixOperatingSystem(VMManagement vm) {
super(vm);
}
public native long getCommittedVirtualMemorySize();
public native long getTotalSwapSpaceSize();
public native long getFreeSwapSpaceSize();
public native long getProcessCpuTime();
public native long getFreePhysicalMemorySize();
public native long getTotalPhysicalMemorySize();
public native long getOpenFileDescriptorCount();
public native long getMaxFileDescriptorCount();
static {
initialize();
}
private static native void initialize();
}