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package com.sun.management.internal;

import sun.management.BaseOperatingSystemImpl;
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.
/** * Implementation class for the operating system. * Standard and committed hotspot-specific metrics if any. * * ManagementFactory.getOperatingSystemMXBean() returns an instance * of this class. */
class OperatingSystemImpl extends BaseOperatingSystemImpl implements com.sun.management.UnixOperatingSystemMXBean { OperatingSystemImpl(VMManagement vm) { super(vm); } public long getCommittedVirtualMemorySize() { return getCommittedVirtualMemorySize0(); } public long getTotalSwapSpaceSize() { return getTotalSwapSpaceSize0(); } public long getFreeSwapSpaceSize() { return getFreeSwapSpaceSize0(); } public long getProcessCpuTime() { return getProcessCpuTime0(); } public long getFreePhysicalMemorySize() { return getFreePhysicalMemorySize0(); } public long getTotalPhysicalMemorySize() { return getTotalPhysicalMemorySize0(); } public long getOpenFileDescriptorCount() { return getOpenFileDescriptorCount0(); } public long getMaxFileDescriptorCount() { return getMaxFileDescriptorCount0(); } public double getSystemCpuLoad() { return getSystemCpuLoad0(); } public double getProcessCpuLoad() { return getProcessCpuLoad0(); } /* native methods */ private native long getCommittedVirtualMemorySize0(); private native long getFreePhysicalMemorySize0(); private native long getFreeSwapSpaceSize0(); private native long getMaxFileDescriptorCount0(); private native long getOpenFileDescriptorCount0(); private native long getProcessCpuTime0(); private native double getProcessCpuLoad0(); private native double getSystemCpuLoad0(); private native long getTotalPhysicalMemorySize0(); private native long getTotalSwapSpaceSize0(); static { initialize0(); } private static native void initialize0(); }