oshi.jna.platform.windows.Psapi Maven / Gradle / Ivy
/**
* Oshi (https://github.com/oshi/oshi)
*
* Copyright (c) 2010 - 2018 The Oshi Project Team
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Maintainers:
* dblock[at]dblock[dot]org
* widdis[at]gmail[dot]com
* enrico.bianchi[at]gmail[dot]com
*
* Contributors:
* https://github.com/oshi/oshi/graphs/contributors
*/
package oshi.jna.platform.windows;
import java.util.Arrays;
import java.util.List;
import com.sun.jna.Native;
import com.sun.jna.Structure;
import com.sun.jna.platform.win32.BaseTSD.SIZE_T;
import com.sun.jna.platform.win32.WinDef.DWORD;
/**
* Windows PSAPI. This class should be considered non-API as it may be removed
* if/when its code is incorporated public into the JNA project.
*
* @author widdis[at]gmail[dot]com
*/
public interface Psapi extends com.sun.jna.platform.win32.Psapi {
Psapi INSTANCE = Native.loadLibrary("Psapi", Psapi.class);
// TODO: Submit this change to JNA Psapi class
class PERFORMANCE_INFORMATION extends Structure {
public DWORD cb;
public SIZE_T CommitTotal;
public SIZE_T CommitLimit;
public SIZE_T CommitPeak;
public SIZE_T PhysicalTotal;
public SIZE_T PhysicalAvailable;
public SIZE_T SystemCache;
public SIZE_T KernelTotal;
public SIZE_T KernelPaged;
public SIZE_T KernelNonpaged;
public SIZE_T PageSize;
public DWORD HandleCount;
public DWORD ProcessCount;
public DWORD ThreadCount;
@Override
protected List getFieldOrder() {
return Arrays.asList(new String[] { "cb", "CommitTotal", "CommitLimit", "CommitPeak", "PhysicalTotal",
"PhysicalAvailable", "SystemCache", "KernelTotal", "KernelPaged", "KernelNonpaged", "PageSize",
"HandleCount", "ProcessCount", "ThreadCount" });
}
}
/**
* Retrieves the performance values contained in the
* {@link PERFORMANCE_INFORMATION} structure.
*
* @param pPerformanceInformation
* A pointer to a {@link PERFORMANCE_INFORMATION} structure that
* receives the performance information.
* @param cb
* The size of the {@link PERFORMANCE_INFORMATION} structure, in
* bytes.
* @return If the function succeeds, the return value is TRUE. If the
* function fails, the return value is FALSE. To get extended error
* information, call GetLastError.
*/
boolean GetPerformanceInfo(PERFORMANCE_INFORMATION pPerformanceInformation, int cb);
}