| /* |
| * 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(); |
| } |