mirror of https://github.com/dahall/Vanara.git
Added support for PROCESS_MEMORY_COUNTERS_EX in GetProcessMemoryInfo
David Hall
parent
05bd6d2098
commit
94859900b7
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@ -952,6 +952,57 @@ namespace Vanara.PInvoke
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool GetProcessMemoryInfo(HPROCESS Process, out PROCESS_MEMORY_COUNTERS ppsmemCounters, uint cb);
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/// <summary>
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/// <para>Retrieves information about the memory usage of the specified process.</para>
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/// </summary>
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/// <param name="Process">
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/// <para>
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/// A handle to the process. The handle must have the <c>PROCESS_QUERY_INFORMATION</c> or <c>PROCESS_QUERY_LIMITED_INFORMATION</c>
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/// access right and the <c>PROCESS_VM_READ</c> access right. For more information, see Process Security and Access Rights.
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/// </para>
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/// <para>
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/// <c>Windows Server 2003 and Windows XP:</c> The handle must have the <c>PROCESS_QUERY_INFORMATION</c> and <c>PROCESS_VM_READ</c>
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/// access rights.
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/// </para>
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/// </param>
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/// <param name="ppsmemCounters">
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/// <para>
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/// A pointer to the PROCESS_MEMORY_COUNTERS or PROCESS_MEMORY_COUNTERS_EX structure that receives information about the memory usage
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/// of the process.
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/// </para>
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/// </param>
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/// <param name="cb">
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/// <para>The size of the ppsmemCounters structure, in bytes.</para>
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/// </param>
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/// <returns>
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/// <para>If the function succeeds, the return value is nonzero.</para>
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/// <para>If the function fails, the return value is zero. To get extended error information, call GetLastError.</para>
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/// </returns>
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/// <remarks>
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/// <para>
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/// Starting with Windows 7 and Windows Server 2008 R2, Psapi.h establishes version numbers for the PSAPI functions. The PSAPI
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/// version number affects the name used to call the function and the library that a program must load.
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/// </para>
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/// <para>
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/// If <c>PSAPI_VERSION</c> is 2 or greater, this function is defined as <c>K32GetProcessMemoryInfo</c> in Psapi.h and exported in
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/// Kernel32.lib and Kernel32.dll. If <c>PSAPI_VERSION</c> is 1, this function is defined as <c>GetProcessMemoryInfo</c> in Psapi.h
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/// and exported in Psapi.lib and Psapi.dll as a wrapper that calls <c>K32GetProcessMemoryInfo</c>.
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/// </para>
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/// <para>
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/// Programs that must run on earlier versions of Windows as well as Windows 7 and later versions should always call this function as
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/// <c>GetProcessMemoryInfo</c>. To ensure correct resolution of symbols, add Psapi.lib to the <c>TARGETLIBS</c> macro and compile
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/// the program with <c>-DPSAPI_VERSION=1</c>. To use run-time dynamic linking, load Psapi.dll.
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/// </para>
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/// <para>Examples</para>
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/// <para>For an example, see Collecting Memory Usage Information for a Process.</para>
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/// </remarks>
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// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getprocessmemoryinfo BOOL GetProcessMemoryInfo( HANDLE
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// Process, PPROCESS_MEMORY_COUNTERS ppsmemCounters, DWORD cb );
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[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
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[PInvokeData("psapi.h", MSDNShortId = "12990e8d-6097-4502-824e-db6c3f76c715")]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool GetProcessMemoryInfo(HPROCESS Process, out PROCESS_MEMORY_COUNTERS_EX ppsmemCounters, uint cb);
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/// <summary>
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/// <para>
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/// Retrieves information about the pages that have been added to the working set of the specified process since the last time this
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@ -1600,6 +1651,63 @@ namespace Vanara.PInvoke
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public static readonly PROCESS_MEMORY_COUNTERS Default = new PROCESS_MEMORY_COUNTERS { cb = (uint)Marshal.SizeOf(typeof(PROCESS_MEMORY_COUNTERS)) };
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}
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/// <summary>Contains extended memory statistics for a process.</summary>
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// https://docs.microsoft.com/en-us/windows/win32/api/psapi/ns-psapi-process_memory_counters_ex typedef struct
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// _PROCESS_MEMORY_COUNTERS_EX { DWORD cb; DWORD PageFaultCount; SIZE_T PeakWorkingSetSize; SIZE_T WorkingSetSize; SIZE_T
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// QuotaPeakPagedPoolUsage; SIZE_T QuotaPagedPoolUsage; SIZE_T QuotaPeakNonPagedPoolUsage; SIZE_T QuotaNonPagedPoolUsage; SIZE_T
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// PagefileUsage; SIZE_T PeakPagefileUsage; SIZE_T PrivateUsage; } PROCESS_MEMORY_COUNTERS_EX;
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[PInvokeData("psapi.h", MSDNShortId = "cf06445d-b71a-4320-afc8-4bd88ebfb284")]
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[StructLayout(LayoutKind.Sequential)]
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public struct PROCESS_MEMORY_COUNTERS_EX
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{
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/// <summary>The size of the structure, in bytes.</summary>
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public uint cb;
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/// <summary>The number of page faults.</summary>
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public uint PageFaultCount;
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/// <summary>The peak working set size, in bytes.</summary>
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public SizeT PeakWorkingSetSize;
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/// <summary>The current working set size, in bytes.</summary>
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public SizeT WorkingSetSize;
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/// <summary>The peak paged pool usage, in bytes.</summary>
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public SizeT QuotaPeakPagedPoolUsage;
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/// <summary>The current paged pool usage, in bytes.</summary>
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public SizeT QuotaPagedPoolUsage;
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/// <summary>The peak nonpaged pool usage, in bytes.</summary>
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public SizeT QuotaPeakNonPagedPoolUsage;
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/// <summary>The current nonpaged pool usage, in bytes.</summary>
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public SizeT QuotaNonPagedPoolUsage;
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/// <summary>
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/// <para>
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/// The Commit Charge value in bytes for this process. Commit Charge is the total amount of memory that the memory manager has
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/// committed for a running process.
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/// </para>
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/// <para>
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/// <c>Windows 7 and Windows Server 2008 R2 and earlier:</c><c>PagefileUsage</c> is always zero. Check <c>PrivateUsage</c> instead.
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/// </para>
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/// </summary>
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public SizeT PagefileUsage;
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/// <summary>The peak value in bytes of the Commit Charge during the lifetime of this process.</summary>
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public SizeT PeakPagefileUsage;
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/// <summary>
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/// Same as <c>PagefileUsage</c>. The Commit Charge value in bytes for this process. Commit Charge is the total amount of memory
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/// that the memory manager has committed for a running process.
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/// </summary>
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public SizeT PrivateUsage;
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/// <summary>A default initialized instance.</summary>
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public static readonly PROCESS_MEMORY_COUNTERS_EX Default = new PROCESS_MEMORY_COUNTERS_EX { cb = (uint)Marshal.SizeOf(typeof(PROCESS_MEMORY_COUNTERS_EX)) };
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}
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/// <summary>Contains working set information for a page.</summary>
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// https://docs.microsoft.com/en-us/windows/win32/api/psapi/ns-psapi-psapi_working_set_block
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// typedef union _PSAPI_WORKING_SET_BLOCK { ULONG_PTR Flags; struct { ULONG_PTR Protection : 5; ULONG_PTR ShareCount : 3; ULONG_PTR Shared : 1; ULONG_PTR Reserved : 3; #if ... ULONG_PTR VirtualPage : 52; #elif ULONG_PTR VirtualPage : 52; #elif ULONG_PTR VirtualPage : 20; #else ULONG_PTR VirtualPage : 20; #endif }; } PSAPI_WORKING_SET_BLOCK, *PPSAPI_WORKING_SET_BLOCK;
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