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Code Issues Releases Wiki Activity

Added unit tests for psapi.h 

Fixed functions that were broken or incomplete
Added helper methods for enumerations
pull/83/head
David Hall 2019-07-10 11:30:10 -06:00
parent 0905e01329
commit 6404870776
2 changed files with 821 additions and 69 deletions
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765
PInvoke/Kernel32/PsApi.cs
View File

@ -1,6 +1,9 @@
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Text;
using Vanara.Extensions;
using Vanara.InteropServices;
namespace Vanara.PInvoke
{
@ -13,15 +16,9 @@ namespace Vanara.PInvoke
/// for the application-defined function name.
/// </para>
/// </summary>
/// <param name="pContext">
/// <para>The user-defined data passed from EnumPageFiles.</para>
/// </param>
/// <param name="pPageFileInfo">
/// <para>A pointer to an ENUM_PAGE_FILE_INFORMATION structure.</para>
/// </param>
/// <param name="lpFilename">
/// <para>The name of the pagefile.</para>
/// </param>
/// <param name="pContext">The user-defined data passed from EnumPageFiles.</param>
/// <param name="pPageFileInfo">A pointer to an ENUM_PAGE_FILE_INFORMATION structure.</param>
/// <param name="lpFilename">The name of the pagefile.</param>
/// <returns>
/// <para>To continue enumeration, the callback function must return TRUE.</para>
/// <para>To stop enumeration, the callback function must return FALSE.</para>
@ -32,7 +29,7 @@ namespace Vanara.PInvoke
[UnmanagedFunctionPointer(CallingConvention.Winapi, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "eb3610fb-2c95-4f7b-973d-8dc41d2829f1")]
[return: MarshalAs(UnmanagedType.Bool)]
public delegate bool PenumPageFileCallback(IntPtr pContext, ref ENUM_PAGE_FILE_INFORMATION pPageFileInfo, string lpFilename);
public delegate bool EnumPageFilesProc(IntPtr pContext, in ENUM_PAGE_FILE_INFORMATION pPageFileInfo, string lpFilename);
/// <summary>Used by <see cref="EnumProcessModulesEx"/>.</summary>
[PInvokeData("psapi.h", MSDNShortId = "0f982f32-31f4-47b6-85d2-d6e17aa4eeb9")]
@ -85,7 +82,7 @@ namespace Vanara.PInvoke
/// </para>
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-emptyworkingset BOOL EmptyWorkingSet( HANDLE hProcess );
[DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)]
[DllImport(Lib.KernelBase, SetLastError = true, ExactSpelling = true)]
[PInvokeData("psapi.h", MSDNShortId = "76f2252e-7305-46b0-b1af-40ac084e6696")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool EmptyWorkingSet(HPROCESS hProcess);
@ -133,11 +130,22 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-enumdevicedrivers BOOL EnumDeviceDrivers( LPVOID *lpImageBase,
// DWORD cb, LPDWORD lpcbNeeded );
[DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)]
[DllImport(Lib.KernelBase, SetLastError = true, ExactSpelling = true)]
[PInvokeData("psapi.h", MSDNShortId = "55925741-da23-44b1-93e8-0e9468434a61")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool EnumDeviceDrivers([In, Out, MarshalAs(UnmanagedType.LPArray)] IntPtr[] lpImageBase, uint cb, out uint lpcbNeeded);
/// <summary>Retrieves the load address for each device driver in the system.</summary>
/// <returns>An array that receives the list of load addresses for the device drivers.</returns>
[PInvokeData("psapi.h", MSDNShortId = "55925741-da23-44b1-93e8-0e9468434a61")]
public static IntPtr[] EnumDeviceDrivers()
{
if (!EnumDeviceDrivers(null, 0, out var sz) && sz == 0) Win32Error.ThrowLastError();
var ret = new IntPtr[sz / IntPtr.Size];
if (!EnumDeviceDrivers(ret, sz, out _)) Win32Error.ThrowLastError();
return ret;
}
/// <summary>
/// <para>Calls the callback routine for each installed pagefile in the system.</para>
/// </summary>
@ -171,10 +179,27 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-enumpagefilesa BOOL EnumPageFilesA( PENUM_PAGE_FILE_CALLBACKA
// pCallBackRoutine, LPVOID pContext );
[DllImport(Lib.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "9289fe3c-a7d9-4acb-aeb6-a50de65db0a2")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool EnumPageFiles(PenumPageFileCallback pCallBackRoutine, IntPtr pContext);
public static extern bool EnumPageFiles(EnumPageFilesProc pCallBackRoutine, IntPtr pContext);
/// <summary>Enumerates the pagefiles in the system.</summary>
/// <param name="pContext">The user-defined data passed to the callback routine.</param>
/// <returns>A list of ENUM_PAGE_FILE_INFORMATION structures with the associated filename.</returns>
[PInvokeData("psapi.h", MSDNShortId = "9289fe3c-a7d9-4acb-aeb6-a50de65db0a2")]
public static IEnumerable<(ENUM_PAGE_FILE_INFORMATION pageInfo, string filename)> EnumPageFiles()
{
var l = new List<(ENUM_PAGE_FILE_INFORMATION pageInfo, string filename)>();
if (!EnumPageFiles(callback, default)) Win32Error.ThrowLastError();
return l;
bool callback(IntPtr _, in ENUM_PAGE_FILE_INFORMATION pPageFileInfo, string lpFilename)
{
l.Add((pPageFileInfo, lpFilename));
return true;
}
}
/// <summary>
/// <para>Retrieves the process identifier for each process object in the system.</para>
@ -221,11 +246,27 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-enumprocesses BOOL EnumProcesses( DWORD *lpidProcess, DWORD
// cb, LPDWORD lpcbNeeded );
[DllImport(Lib.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "0c0445cb-27d2-4857-a4a5-7a4c180b068b")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool EnumProcesses([In, Out, MarshalAs(UnmanagedType.LPArray)] uint[] lpidProcess, uint cb, out uint lpcbNeeded);
/// <summary>Retrieves the process identifier for each process object in the system.</summary>
/// <returns>An array that receives the list of process identifiers.</returns>
[PInvokeData("psapi.h", MSDNShortId = "0c0445cb-27d2-4857-a4a5-7a4c180b068b")]
public static uint[] EnumProcesses()
{
uint rsz = 1024, sz;
uint[] ret;
do
{
sz = rsz * 2;
ret = new uint[sz / sizeof(uint)];
if (!EnumProcesses(ret, sz, out rsz)) Win32Error.ThrowLastError();
} while (sz == rsz);
return ret;
}
/// <summary>
/// <para>Retrieves a handle for each module in the specified process.</para>
/// <para>
@ -301,26 +342,34 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-enumprocessmodules BOOL EnumProcessModules( HANDLE hProcess,
// HMODULE *lphModule, DWORD cb, LPDWORD lpcbNeeded );
[DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)]
[DllImport(Lib.KernelBase, SetLastError = true, ExactSpelling = true)]
[PInvokeData("psapi.h", MSDNShortId = "b4088506-2f69-4cf0-9bab-3e6a7185f5b2")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool EnumProcessModules(HPROCESS hProcess, [In, Out, MarshalAs(UnmanagedType.LPArray)] IntPtr[] lphModule, uint cb, out uint lpcbNeeded);
public static extern bool EnumProcessModules(HPROCESS hProcess, [In, Out, MarshalAs(UnmanagedType.LPArray)] HINSTANCE[] lphModule, uint cb, out uint lpcbNeeded);
/// <summary>
/// <para>Retrieves a handle for each module in the specified process that meets the specified filter criteria.</para>
/// <para>Retrieves a handle for each module in the specified process.</para>
/// <para>
/// To control whether a 64-bit application enumerates 32-bit modules, 64-bit modules, or both types of modules, use the
/// EnumProcessModulesEx function.
/// </para>
/// </summary>
/// <param name="hProcess">
/// <para>A handle to the process.</para>
/// </param>
/// <param name="lphModule">
/// <para>An array that receives the list of module handles.</para>
/// </param>
/// <param name="cb">
/// <para>The size of the lphModule array, in bytes.</para>
/// </param>
/// <param name="lpcbNeeded">
/// <para>The number of bytes required to store all module handles in the lphModule array.</para>
/// </param>
/// <param name="hProcess">A handle to the process.</param>
/// <returns>An array that receives the list of module handles.</returns>
[PInvokeData("psapi.h", MSDNShortId = "b4088506-2f69-4cf0-9bab-3e6a7185f5b2")]
public static HINSTANCE[] EnumProcessModules(HPROCESS hProcess)
{
if (!EnumProcessModules(hProcess, null, 0, out var sz) && sz == 0) Win32Error.ThrowLastError();
var ret = new HINSTANCE[sz / IntPtr.Size];
if (!EnumProcessModules(hProcess, ret, sz, out _)) Win32Error.ThrowLastError();
return ret;
}
/// <summary>Retrieves a handle for each module in the specified process that meets the specified filter criteria.</summary>
/// <param name="hProcess">A handle to the process.</param>
/// <param name="lphModule">An array that receives the list of module handles.</param>
/// <param name="cb">The size of the lphModule array, in bytes.</param>
/// <param name="lpcbNeeded">The number of bytes required to store all module handles in the lphModule array.</param>
/// <param name="dwFilterFlag">
/// <para>The filter criteria. This parameter can be one of the following values.</para>
/// <list type="table">
@ -398,12 +447,73 @@ namespace Vanara.PInvoke
/// program with –DPSAPI_VERSION=1. To use run-time dynamic linking, load Psapi.dll.
/// </para>
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-enumprocessmodulesex BOOL EnumProcessModulesEx( HANDLE
// hProcess, HMODULE *lphModule, DWORD cb, LPDWORD lpcbNeeded, DWORD dwFilterFlag );
[DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)]
// https://docs.microsoft.com/en-us/windows/win32/api/psapi/nf-psapi-enumprocessmodulesex
// BOOL EnumProcessModulesEx( HANDLE hProcess, HMODULE *lphModule, DWORD cb, LPDWORD lpcbNeeded, DWORD dwFilterFlag );
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "0f982f32-31f4-47b6-85d2-d6e17aa4eeb9")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool EnumProcessModulesEx(HPROCESS hProcess, [In, Out, MarshalAs(UnmanagedType.LPArray)] IntPtr[] lphModule, uint cb, out uint lpcbNeeded, LIST_MODULES dwFilterFlag);
public static extern bool EnumProcessModulesEx(HPROCESS hProcess, [In, Out, MarshalAs(UnmanagedType.LPArray)] HINSTANCE[] lphModule, uint cb, out uint lpcbNeeded, LIST_MODULES dwFilterFlag);
/// <summary>Retrieves a handle for each module in the specified process that meets the specified filter criteria.</summary>
/// <param name="hProcess">A handle to the process.</param>
/// <param name="dwFilterFlag">
/// <para>The filter criteria. This parameter can be one of the following values.</para>
/// <list type="table">
/// <listheader>
/// <term>Value</term>
/// <term>Meaning</term>
/// </listheader>
/// <item>
/// <term>LIST_MODULES_32BIT 0x01</term>
/// <term>List the 32-bit modules.</term>
/// </item>
/// <item>
/// <term>LIST_MODULES_64BIT 0x02</term>
/// <term>List the 64-bit modules.</term>
/// </item>
/// <item>
/// <term>LIST_MODULES_ALL 0x03</term>
/// <term>List all modules.</term>
/// </item>
/// <item>
/// <term>LIST_MODULES_DEFAULT 0x0</term>
/// <term>Use the default behavior.</term>
/// </item>
/// </list>
/// </param>
/// <returns>An array that receives the list of module handles.</returns>
/// <remarks>
/// <para>
/// The <c>EnumProcessModulesEx</c> function is primarily designed for use by debuggers and similar applications that must extract
/// module information from another process. If the module list in the target process is corrupted or not yet initialized, or if the
/// module list changes during the function call as a result of DLLs being loaded or unloaded, <c>EnumProcessModulesEx</c> may fail
/// or return incorrect information.
/// </para>
/// <para>
/// This function is intended primarily for 64-bit applications. If the function is called by a 32-bit application running under
/// WOW64, the dwFilterFlag option is ignored and the function provides the same results as the EnumProcessModules function.
/// </para>
/// <para>
/// The <c>EnumProcessModulesEx</c> function does not retrieve handles for modules that were loaded with the
/// <c>LOAD_LIBRARY_AS_DATAFILE</c> flag. For more information, see LoadLibraryEx.
/// </para>
/// <para>
/// Do not call CloseHandle on any of the handles returned by this function. The information comes from a snapshot, so there are no
/// resources to be freed.
/// </para>
/// <para>
/// To take a snapshot of specified processes and the heaps, modules, and threads used by these processes, use the
/// CreateToolhelp32Snapshot function.
/// </para>
/// </remarks>
[PInvokeData("psapi.h", MSDNShortId = "0f982f32-31f4-47b6-85d2-d6e17aa4eeb9")]
public static HINSTANCE[] EnumProcessModulesEx(HPROCESS hProcess, LIST_MODULES dwFilterFlag = LIST_MODULES.LIST_MODULES_ALL)
{
if (!EnumProcessModulesEx(hProcess, null, 0, out var sz, dwFilterFlag) && sz == 0) Win32Error.ThrowLastError();
var ret = new HINSTANCE[sz / IntPtr.Size];
if (!EnumProcessModulesEx(hProcess, ret, sz, out _, dwFilterFlag)) Win32Error.ThrowLastError();
return ret;
}
/// <summary>
/// <para>Retrieves the base name of the specified device driver.</para>
@ -447,7 +557,7 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getdevicedriverbasenamea DWORD GetDeviceDriverBaseNameA(
// LPVOID ImageBase, LPSTR lpFilename, DWORD nSize );
[DllImport(Lib.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "a19a927d-4669-4d4c-951e-43f294a8fb40")]
public static extern uint GetDeviceDriverBaseName(IntPtr ImageBase, StringBuilder lpFilename, uint nSize);
@ -491,7 +601,7 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getdevicedriverfilenamea DWORD GetDeviceDriverFileNameA(
// LPVOID ImageBase, LPSTR lpFilename, DWORD nSize );
[DllImport(Lib.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "6ddbcf7e-e41c-4ea7-b60a-01ed5c98c530")]
public static extern uint GetDeviceDriverFileName(IntPtr ImageBase, StringBuilder lpFilename, uint nSize);
@ -567,7 +677,7 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getmappedfilenamea DWORD GetMappedFileNameA( HANDLE hProcess,
// LPVOID lpv, LPSTR lpFilename, DWORD nSize );
[DllImport(Lib.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "10a2e5ab-f495-486d-8ef7-ef763716afd1")]
public static extern uint GetMappedFileName(HPROCESS hProcess, IntPtr lpv, StringBuilder lpFilename, uint nSize);
@ -639,7 +749,7 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getmodulebasenamea DWORD GetModuleBaseNameA( HANDLE hProcess,
// HMODULE hModule, LPSTR lpBaseName, DWORD nSize );
[DllImport(Lib.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "31a9eb69-95f0-4dd7-8fd5-296f2cff0b8a")]
public static extern uint GetModuleBaseName(HPROCESS hProcess, [Optional] HINSTANCE hModule, StringBuilder lpBaseName, uint nSize);
@ -689,7 +799,7 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getmoduleinformation BOOL GetModuleInformation( HANDLE
// hProcess, HMODULE hModule, LPMODULEINFO lpmodinfo, DWORD cb );
[DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)]
[DllImport(Lib.KernelBase, SetLastError = true, ExactSpelling = true)]
[PInvokeData("psapi.h", MSDNShortId = "afb9f4c8-c8ae-4497-96c1-b559cfa2cedf")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool GetModuleInformation(HPROCESS hProcess, HINSTANCE hModule, out MODULEINFO lpmodinfo, uint cb);
@ -727,10 +837,10 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getperformanceinfo BOOL GetPerformanceInfo(
// PPERFORMANCE_INFORMATION pPerformanceInformation, DWORD cb );
[DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)]
[DllImport(Lib.KernelBase, SetLastError = true, ExactSpelling = true)]
[PInvokeData("psapi.h", MSDNShortId = "21655278-49da-4e63-a4f9-0ee9f6179f4a")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool GetPerformanceInfo(ref PERFORMANCE_INFORMATION pPerformanceInformation, uint cb);
public static extern bool GetPerformanceInfo(out PERFORMANCE_INFORMATION pPerformanceInformation, uint cb);
/// <summary>
/// <para>Retrieves the name of the executable file for the specified process.</para>
@ -788,7 +898,7 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getprocessimagefilenamea DWORD GetProcessImageFileNameA(
// HANDLE hProcess, LPSTR lpImageFileName, DWORD nSize );
[DllImport(Lib.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "819fc2f4-0801-417b-9cbb-d7fd2894634e")]
public static extern uint GetProcessImageFileName(HPROCESS hProcess, StringBuilder lpImageFileName, uint nSize);
@ -838,10 +948,10 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getprocessmemoryinfo BOOL GetProcessMemoryInfo( HANDLE
// Process, PPROCESS_MEMORY_COUNTERS ppsmemCounters, DWORD cb );
[DllImport(Lib.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "12990e8d-6097-4502-824e-db6c3f76c715")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool GetProcessMemoryInfo(HPROCESS Process, ref PROCESS_MEMORY_COUNTERS ppsmemCounters, uint cb);
public static extern bool GetProcessMemoryInfo(HPROCESS Process, out PROCESS_MEMORY_COUNTERS ppsmemCounters, uint cb);
/// <summary>
/// <para>
@ -910,11 +1020,53 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getwschanges BOOL GetWsChanges( HANDLE hProcess,
// PPSAPI_WS_WATCH_INFORMATION lpWatchInfo, DWORD cb );
[DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)]
[DllImport(Lib.KernelBase, SetLastError = true, ExactSpelling = true)]
[PInvokeData("psapi.h", MSDNShortId = "ace5106c-9c7b-4d5f-a69a-c3a8bff0bb2d")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool GetWsChanges(HPROCESS hProcess, IntPtr lpWatchInfo, uint cb);
/// <summary>
/// <para>
/// Retrieves information about the pages that have been added to the working set of the specified process since the last time this
/// function or the InitializeProcessForWsWatch function was called.
/// </para>
/// <para>To retrieve extended information, use the GetWsChangesEx function.</para>
/// </summary>
/// <param name="hProcess">A handle to the process. The handle must have the <c>PROCESS_QUERY_INFORMATION</c> access right. For more information, see
/// Process Security and Access Rights.</param>
/// <param name="sizeHint">The size at which to initially allocate the buffer. The default is 16KB.</param>
/// <returns>
/// An array of PSAPI_WS_WATCH_INFORMATION structures.
/// </returns>
/// <remarks>
/// <para>
/// The operating system uses one buffer per process to maintain working set change records. If more than one application (or
/// multiple threads in the same application) calls this function with the same process handle, neither application will have a
/// complete accounting of the working set changes because each call empties the buffer.
/// </para>
/// <para>
/// The operating system does not record new change records while it is processing the query (and emptying the buffer). The function
/// sets the error code to <c>NO_MORE_ENTRIES</c> if a concurrent query is received while it is processing another query.
/// </para>
/// </remarks>
[PInvokeData("psapi.h", MSDNShortId = "ace5106c-9c7b-4d5f-a69a-c3a8bff0bb2d")]
public static PSAPI_WS_WATCH_INFORMATION[] GetWsChanges(HPROCESS hProcess, int sizeHint = 1024 * 16)
{
using (var mem = new SafeHGlobalHandle(sizeHint))
{
while (!GetWsChanges(hProcess, (IntPtr)mem, (uint)mem.Size))
{
var err = Win32Error.GetLastError();
if (err != Win32Error.ERROR_INSUFFICIENT_BUFFER) throw err.GetException();
mem.Size *= 2;
}
var cb = Marshal.SizeOf(typeof(PSAPI_WS_WATCH_INFORMATION));
var c = 0;
for (int i = 0; i < mem.Size && Marshal.ReadIntPtr((IntPtr)mem, i) != IntPtr.Zero; c++, i += cb) ;
return mem.ToArray<PSAPI_WS_WATCH_INFORMATION>(c);
}
}
/// <summary>
/// <para>
/// Retrieves extended information about the pages that have been added to the working set of the specified process since the last
@ -977,11 +1129,60 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-getwschangesex BOOL GetWsChangesEx( HANDLE hProcess,
// PPSAPI_WS_WATCH_INFORMATION_EX lpWatchInfoEx, PDWORD cb );
[DllImport(Lib.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "8572db5c-2ffc-424f-8cec-b6a6902fed62")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool GetWsChangesEx(HPROCESS hProcess, IntPtr lpWatchInfoEx, ref uint cb);
/// <summary>
/// Retrieves extended information about the pages that have been added to the working set of the specified process since the last
/// time this function or the InitializeProcessForWsWatch function was called.
/// </summary>
/// <param name="hProcess">
/// A handle to the process. The handle must have the <c>PROCESS_QUERY_INFORMATION</c> access right. For more information, see
/// Process Security and Access Rights.
/// </param>
/// <returns>An array of PSAPI_WS_WATCH_INFORMATION_EX structures.</returns>
/// <remarks>
/// <para>
/// The operating system uses one buffer per process to maintain working set change records. If more than one application (or
/// multiple threads in the same application) calls this function with the same process handle, neither application will have a
/// complete accounting of the working set changes because each call empties the buffer.
/// </para>
/// <para>
/// The operating system does not record new change records while it is processing the query (and emptying the buffer). This function
/// sets the error code to <c>NO_MORE_ENTRIES</c> if a concurrent query is received while it is processing another query.
/// </para>
/// <para>
/// If the buffer becomes full, no new records are added to the buffer until this function or the InitializeProcessForWsWatch
/// function is called. You should call <c>GetWsChangesEx</c> with enough frequency to prevent possible data loss. If records are
/// lost, the array is terminated with a structure whose <c>FaultingPc</c> member is NULL and whose <c>FaultingVa</c> member is set
/// to the number of records that were lost.
/// </para>
/// </remarks>
[PInvokeData("psapi.h", MSDNShortId = "8572db5c-2ffc-424f-8cec-b6a6902fed62")]
public static PSAPI_WS_WATCH_INFORMATION_EX[] GetWsChangesEx(HPROCESS hProcess)
{
var sz = 0U;
if (!GetWsChangesEx(hProcess, IntPtr.Zero, ref sz))
{
var err = Win32Error.GetLastError();
if (err != Win32Error.ERROR_INSUFFICIENT_BUFFER) throw err.GetException();
}
using (var mem = new SafeHGlobalHandle((int)sz))
{
if (!GetWsChangesEx(hProcess, (IntPtr)mem, ref sz))
{
var err = Win32Error.GetLastError();
if (err != Win32Error.ERROR_INSUFFICIENT_BUFFER) throw err.GetException();
}
var cb = Marshal.SizeOf(typeof(PSAPI_WS_WATCH_INFORMATION_EX));
var c = 0;
for (int i = 0; i < mem.Size && Marshal.ReadIntPtr((IntPtr)mem, i) != IntPtr.Zero; c++, i += cb) ;
return mem.ToArray<PSAPI_WS_WATCH_INFORMATION_EX>(c);
}
}
/// <summary>
/// <para>
/// Initiates monitoring of the working set of the specified process. You must call this function before calling the GetWsChanges function.
@ -1015,7 +1216,7 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-initializeprocessforwswatch BOOL InitializeProcessForWsWatch(
// HANDLE hProcess );
[DllImport(Lib.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
[DllImport(Lib.KernelBase, SetLastError = true, CharSet = CharSet.Auto)]
[PInvokeData("psapi.h", MSDNShortId = "c928656c-a59d-41b5-9434-911329b0278e")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool InitializeProcessForWsWatch(HPROCESS hProcess);
@ -1066,11 +1267,43 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-queryworkingset BOOL QueryWorkingSet( HANDLE hProcess, PVOID
// pv, DWORD cb );
[DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)]
[DllImport(Lib.KernelBase, SetLastError = true, ExactSpelling = true)]
[PInvokeData("psapi.h", MSDNShortId = "b932153f-2bbd-460e-8ff7-b3e493c397bb")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool QueryWorkingSet(HPROCESS hProcess, IntPtr pv, uint cb);
/// <summary>
/// <para>Retrieves information about the pages currently added to the working set of the specified process.</para>
/// <para>
/// To retrieve working set information for a subset of virtual addresses, or to retrieve information about pages that are not part
/// of the working set (such as AWE or large pages), use the QueryWorkingSetEx function.
/// </para>
/// </summary>
/// <param name="hProcess">
/// <para>
/// A handle to the process. The handle must have the <c>PROCESS_QUERY_INFORMATION</c> and <c>PROCESS_VM_READ</c> access rights. For
/// more information, see Process Security and Access Rights.
/// </para>
/// </param>
/// <returns>
/// A list of <see cref="PSAPI_WORKING_SET_BLOCK"/> entires.
/// </returns>
[PInvokeData("psapi.h", MSDNShortId = "b932153f-2bbd-460e-8ff7-b3e493c397bb")]
public static PSAPI_WORKING_SET_BLOCK[] QueryWorkingSet(HPROCESS hProcess)
{
using (var mem = SafeHGlobalHandle.CreateFromStructure<PSAPI_WORKING_SET_INFORMATION>())
{
var entries = 0;
while (!QueryWorkingSet(GetCurrentProcess(), (IntPtr)mem, (uint)mem.Size))
{
entries = (int)mem.ToStructure<UIntPtr>().ToUInt64();
mem.Size = (entries + 1) * UIntPtr.Size + 1024;
}
entries = (int)mem.ToStructure<UIntPtr>().ToUInt64();
return mem.ToArray<PSAPI_WORKING_SET_BLOCK>(entries, UIntPtr.Size);
}
}
/// <summary>
/// <para>Retrieves extended information about the pages at specific virtual addresses in the address space of the specified process.</para>
/// </summary>
@ -1118,44 +1351,60 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/nf-psapi-queryworkingsetex BOOL QueryWorkingSetEx( HANDLE hProcess,
// PVOID pv, DWORD cb );
[DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)]
[DllImport(Lib.KernelBase, SetLastError = true, ExactSpelling = true)]
[PInvokeData("psapi.h", MSDNShortId = "59ae76c9-e954-4648-9c9f-787136375b02")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool QueryWorkingSetEx(HPROCESS hProcess, IntPtr pv, uint cb);
public static extern bool QueryWorkingSetEx(HPROCESS hProcess, [In, Out] PSAPI_WORKING_SET_EX_INFORMATION[] pv, uint cb);
/// <summary>
/// <para>Contains information about a pagefile.</para>
/// Retrieves extended information about the pages at specific virtual addresses in the address space of the specified process.
/// </summary>
// https://docs.microsoft.com/en-us/windows/desktop/api/psapi/ns-psapi-_enum_page_file_information typedef struct
// _ENUM_PAGE_FILE_INFORMATION { DWORD cb; DWORD Reserved; SIZE_T TotalSize; SIZE_T TotalInUse; SIZE_T PeakUsage; }
// ENUM_PAGE_FILE_INFORMATION, *PENUM_PAGE_FILE_INFORMATION;
/// <param name="hProcess">
/// A handle to the process. The handle must have the <c>PROCESS_QUERY_INFORMATION</c> and <c>PROCESS_VM_READ</c> access rights. For
/// more information, see Process Security and Access Rights.
/// </param>
/// <returns>
/// An array of PSAPI_WORKING_SET_EX_INFORMATION structures. On input, each item in the array specifies a virtual address of
/// interest. On output, each item in the array receives information about the corresponding virtual page.
/// </returns>
/// <remarks>
/// <para>
/// Unlike the QueryWorkingSet function, which is limited to the working set of the target process, the <c>QueryWorkingSetEx</c>
/// function can be used to query addresses that are not in the process working set but are still part of the process, such as AWE
/// and large pages.
/// </para>
/// </remarks>
[PInvokeData("psapi.h", MSDNShortId = "59ae76c9-e954-4648-9c9f-787136375b02")]
public static PSAPI_WORKING_SET_EX_INFORMATION[] QueryWorkingSetEx(HPROCESS hProcess, [Optional] params IntPtr[] virtualAddresses)
{
var info = virtualAddresses == null || virtualAddresses.Length == 0 ?
Array.ConvertAll(QueryWorkingSet(hProcess), b => new PSAPI_WORKING_SET_EX_INFORMATION() { VirtualAddress = b.VirtualPage }) :
Array.ConvertAll(virtualAddresses, p => new PSAPI_WORKING_SET_EX_INFORMATION() { VirtualAddress = p });
var cb = (uint)Marshal.SizeOf(typeof(PSAPI_WORKING_SET_EX_INFORMATION));
return QueryWorkingSetEx(hProcess, info, (uint)info.Length * cb) ? info : throw Win32Error.GetLastError().GetException();
}
/// <summary>Contains information about a pagefile.</summary>
// https://docs.microsoft.com/en-us/windows/win32/api/psapi/ns-psapi-_enum_page_file_information
// typedef struct _ENUM_PAGE_FILE_INFORMATION { DWORD cb; DWORD Reserved; SIZE_T TotalSize; SIZE_T TotalInUse; SIZE_T PeakUsage; } ENUM_PAGE_FILE_INFORMATION, *PENUM_PAGE_FILE_INFORMATION;
[PInvokeData("psapi.h", MSDNShortId = "020f3be8-f624-4788-8079-0f7679c9bef0")]
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
public struct ENUM_PAGE_FILE_INFORMATION
{
/// <summary>
/// <para>The size of this structure, in bytes.</para>
/// </summary>
/// <summary>The size of this structure, in bytes.</summary>
public uint cb;
/// <summary>
/// <para>This member is reserved.</para>
/// </summary>
/// <summary>This member is reserved.</summary>
public uint Reserved;
/// <summary>
/// <para>The total size of the pagefile, in pages.</para>
/// </summary>
/// <summary>The total size of the pagefile, in pages.</summary>
public SizeT TotalSize;
/// <summary>
/// <para>The current pagefile usage, in pages.</para>
/// </summary>
/// <summary>The current pagefile usage, in pages.</summary>
public SizeT TotalInUse;
/// <summary>
/// <para>The peak pagefile usage, in pages.</para>
/// </summary>
/// <summary>The peak pagefile usage, in pages.</summary>
public SizeT PeakUsage;
}
@ -1282,6 +1531,9 @@ namespace Vanara.PInvoke
/// <para>The current number of threads.</para>
/// </summary>
public uint ThreadCount;
/// <summary>A default initialized instance.</summary>
public static readonly PERFORMANCE_INFORMATION Default = new PERFORMANCE_INFORMATION { cb = (uint)Marshal.SizeOf(typeof(PERFORMANCE_INFORMATION)) };
}
/// <summary>
@ -1347,6 +1599,381 @@ namespace Vanara.PInvoke
/// <para>The peak value in bytes of the Commit Charge during the lifetime of this process.</para>
/// </summary>
public SizeT PeakPagefileUsage;
/// <summary>A default initialized instance.</summary>
public static readonly PROCESS_MEMORY_COUNTERS Default = new PROCESS_MEMORY_COUNTERS { cb = (uint)Marshal.SizeOf(typeof(PROCESS_MEMORY_COUNTERS)) };
}
/// <summary>Contains working set information for a page.</summary>
// https://docs.microsoft.com/en-us/windows/win32/api/psapi/ns-psapi-psapi_working_set_block
// 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;
[PInvokeData("psapi.h", MSDNShortId = "feb64235-1003-4595-a6a9-aca1f94f94b8")]
[StructLayout(LayoutKind.Sequential)]
public struct PSAPI_WORKING_SET_BLOCK
{
/// <summary>
/// The working set information. See the description of the structure members for information about the layout of this variable.
/// </summary>
public UIntPtr Flags;
/// <summary>If <see langword="true"/>, the page is sharable; otherwise, the page is not sharable.</summary>
public bool Shared => Flags.ToUInt32().GetBit(9);
/// <summary>The number of processes that share this page. The maximum value of this member is 7.</summary>
public uint ShareCount => Flags.ToUInt32().GetBits(5, 3);
/// <summary>
/// <para>The protection attributes of the page. This member can be one of the following values.</para>
/// <list type="table">
/// <listheader>
/// <term>Value</term>
/// <term>Meaning</term>
/// </listheader>
/// <item>
/// <term>0</term>
/// <term>The page is not accessed.</term>
/// </item>
/// <item>
/// <term>1</term>
/// <term>Read-only.</term>
/// </item>
/// <item>
/// <term>2</term>
/// <term>Executable.</term>
/// </item>
/// <item>
/// <term>3</term>
/// <term>Executable and read-only.</term>
/// </item>
/// <item>
/// <term>4</term>
/// <term>Read/write.</term>
/// </item>
/// <item>
/// <term>5</term>
/// <term>Copy-on-write.</term>
/// </item>
/// <item>
/// <term>6</term>
/// <term>Executable and read/write.</term>
/// </item>
/// <item>
/// <term>7</term>
/// <term>Executable and copy-on-write.</term>
/// </item>
/// <item>
/// <term>8</term>
/// <term>The page is not accessed.</term>
/// </item>
/// <item>
/// <term>9</term>
/// <term>Non-cacheable and read-only.</term>
/// </item>
/// <item>
/// <term>10</term>
/// <term>Non-cacheable and executable.</term>
/// </item>
/// <item>
/// <term>11</term>
/// <term>Non-cacheable, executable, and read-only.</term>
/// </item>
/// <item>
/// <term>12</term>
/// <term>Non-cacheable and read/write.</term>
/// </item>
/// <item>
/// <term>13</term>
/// <term>Non-cacheable and copy-on-write.</term>
/// </item>
/// <item>
/// <term>14</term>
/// <term>Non-cacheable, executable, and read/write.</term>
/// </item>
/// <item>
/// <term>15</term>
/// <term>Non-cacheable, executable, and copy-on-write.</term>
/// </item>
/// <item>
/// <term>16</term>
/// <term>The page is not accessed.</term>
/// </item>
/// <item>
/// <term>17</term>
/// <term>Guard page and read-only.</term>
/// </item>
/// <item>
/// <term>18</term>
/// <term>Guard page and executable.</term>
/// </item>
/// <item>
/// <term>19</term>
/// <term>Guard page, executable, and read-only.</term>
/// </item>
/// <item>
/// <term>20</term>
/// <term>Guard page and read/write.</term>
/// </item>
/// <item>
/// <term>21</term>
/// <term>Guard page and copy-on-write.</term>
/// </item>
/// <item>
/// <term>22</term>
/// <term>Guard page, executable, and read/write.</term>
/// </item>
/// <item>
/// <term>23</term>
/// <term>Guard page, executable, and copy-on-write.</term>
/// </item>
/// <item>
/// <term>24</term>
/// <term>The page is not accessed.</term>
/// </item>
/// <item>
/// <term>25</term>
/// <term>Non-cacheable, guard page, and read-only.</term>
/// </item>
/// <item>
/// <term>26</term>
/// <term>Non-cacheable, guard page, and executable.</term>
/// </item>
/// <item>
/// <term>27</term>
/// <term>Non-cacheable, guard page, executable, and read-only.</term>
/// </item>
/// <item>
/// <term>28</term>
/// <term>Non-cacheable, guard page, and read/write.</term>
/// </item>
/// <item>
/// <term>29</term>
/// <term>Non-cacheable, guard page, and copy-on-write.</term>
/// </item>
/// <item>
/// <term>30</term>
/// <term>Non-cacheable, guard page, executable, and read/write.</term>
/// </item>
/// <item>
/// <term>31</term>
/// <term>Non-cacheable, guard page, executable, and copy-on-write.</term>
/// </item>
/// </list>
/// </summary>
public uint Protection => Flags.ToUInt32().GetBits(0, 5);
public IntPtr VirtualPage => new IntPtr((long)Flags.ToUInt64() & ~0xFFFL);
}
/// <summary>Contains extended working set information for a page.</summary>
// https://docs.microsoft.com/en-us/windows/win32/api/psapi/ns-psapi-_psapi_working_set_ex_block
// typedef union _PSAPI_WORKING_SET_EX_BLOCK { ULONG_PTR Flags; union { struct { ULONG_PTR Valid : 1; ULONG_PTR ShareCount : 3; ULONG_PTR Win32Protection : 11; ULONG_PTR Shared : 1; ULONG_PTR Node : 6; ULONG_PTR Locked : 1; ULONG_PTR LargePage : 1; ULONG_PTR Reserved : 7; ULONG_PTR Bad : 1; ULONG_PTR ReservedUlong : 32; }; struct { ULONG_PTR Valid : 1; ULONG_PTR Reserved0 : 14; ULONG_PTR Shared : 1; ULONG_PTR Reserved1 : 15; ULONG_PTR Bad : 1; ULONG_PTR ReservedUlong : 32; } Invalid; }; } PSAPI_WORKING_SET_EX_BLOCK, *PPSAPI_WORKING_SET_EX_BLOCK;
[PInvokeData("psapi.h", MSDNShortId = "4ba17fa0-2aed-4099-9380-fc13f1b826ca")]
[StructLayout(LayoutKind.Sequential)]
public struct PSAPI_WORKING_SET_EX_BLOCK
{
/// <summary>The working set information. See the description of the structure members for information about the layout of this variable.</summary>
public UIntPtr Flags;
/// <summary>If <see langword="true"/>, the page is valid; otherwise, the page is not valid.</summary>
public bool Valid => Flags.ToUInt32().GetBit(0);
public bool Locked => Valid ? Flags.ToUInt32().GetBit(22) : false;
public bool LargePage => Valid ? Flags.ToUInt32().GetBit(23) : false;
public bool Bad => Flags.ToUInt32().GetBit(31);
/// <summary>If <see langword="true"/>, the page is sharable; otherwise, the page is not sharable.</summary>
public bool Shared => Flags.ToUInt32().GetBit(15);
/// <summary>The number of processes that share this page. The maximum value of this member is 7.</summary>
public uint ShareCount => Valid ? Flags.ToUInt32().GetBits(1, 3) : 0U;
/// <summary>
/// <para>The protection attributes of the page. This member can be one of the following values.</para>
/// <list type="table">
/// <listheader>
/// <term>Value</term>
/// <term>Meaning</term>
/// </listheader>
/// <item>
/// <term>0</term>
/// <term>The page is not accessed.</term>
/// </item>
/// <item>
/// <term>1</term>
/// <term>Read-only.</term>
/// </item>
/// <item>
/// <term>2</term>
/// <term>Executable.</term>
/// </item>
/// <item>
/// <term>3</term>
/// <term>Executable and read-only.</term>
/// </item>
/// <item>
/// <term>4</term>
/// <term>Read/write.</term>
/// </item>
/// <item>
/// <term>5</term>
/// <term>Copy-on-write.</term>
/// </item>
/// <item>
/// <term>6</term>
/// <term>Executable and read/write.</term>
/// </item>
/// <item>
/// <term>7</term>
/// <term>Executable and copy-on-write.</term>
/// </item>
/// <item>
/// <term>8</term>
/// <term>The page is not accessed.</term>
/// </item>
/// <item>
/// <term>9</term>
/// <term>Non-cacheable and read-only.</term>
/// </item>
/// <item>
/// <term>10</term>
/// <term>Non-cacheable and executable.</term>
/// </item>
/// <item>
/// <term>11</term>
/// <term>Non-cacheable, executable, and read-only.</term>
/// </item>
/// <item>
/// <term>12</term>
/// <term>Non-cacheable and read/write.</term>
/// </item>
/// <item>
/// <term>13</term>
/// <term>Non-cacheable and copy-on-write.</term>
/// </item>
/// <item>
/// <term>14</term>
/// <term>Non-cacheable, executable, and read/write.</term>
/// </item>
/// <item>
/// <term>15</term>
/// <term>Non-cacheable, executable, and copy-on-write.</term>
/// </item>
/// <item>
/// <term>16</term>
/// <term>The page is not accessed.</term>
/// </item>
/// <item>
/// <term>17</term>
/// <term>Guard page and read-only.</term>
/// </item>
/// <item>
/// <term>18</term>
/// <term>Guard page and executable.</term>
/// </item>
/// <item>
/// <term>19</term>
/// <term>Guard page, executable, and read-only.</term>
/// </item>
/// <item>
/// <term>20</term>
/// <term>Guard page and read/write.</term>
/// </item>
/// <item>
/// <term>21</term>
/// <term>Guard page and copy-on-write.</term>
/// </item>
/// <item>
/// <term>22</term>
/// <term>Guard page, executable, and read/write.</term>
/// </item>
/// <item>
/// <term>23</term>
/// <term>Guard page, executable, and copy-on-write.</term>
/// </item>
/// <item>
/// <term>24</term>
/// <term>The page is not accessed.</term>
/// </item>
/// <item>
/// <term>25</term>
/// <term>Non-cacheable, guard page, and read-only.</term>
/// </item>
/// <item>
/// <term>26</term>
/// <term>Non-cacheable, guard page, and executable.</term>
/// </item>
/// <item>
/// <term>27</term>
/// <term>Non-cacheable, guard page, executable, and read-only.</term>
/// </item>
/// <item>
/// <term>28</term>
/// <term>Non-cacheable, guard page, and read/write.</term>
/// </item>
/// <item>
/// <term>29</term>
/// <term>Non-cacheable, guard page, and copy-on-write.</term>
/// </item>
/// <item>
/// <term>30</term>
/// <term>Non-cacheable, guard page, executable, and read/write.</term>
/// </item>
/// <item>
/// <term>31</term>
/// <term>Non-cacheable, guard page, executable, and copy-on-write.</term>
/// </item>
/// </list>
/// </summary>
public uint Protection => Valid ? Flags.ToUInt32().GetBits(4, 11) : 0U;
public uint Node => Valid ? Flags.ToUInt32().GetBits(0, 5) : 0U;
}
/// <summary>Contains working set information for a process.</summary>
// https://docs.microsoft.com/zh-cn/windows/win32/api/psapi/ns-psapi-psapi_working_set_information typedef struct
// _PSAPI_WORKING_SET_INFORMATION { ULONG_PTR NumberOfEntries; PSAPI_WORKING_SET_BLOCK WorkingSetInfo[1]; }
// PSAPI_WORKING_SET_INFORMATION, *PPSAPI_WORKING_SET_INFORMATION;
[PInvokeData("psapi.h", MSDNShortId = "59ca42c0-ca88-4153-b061-980d961a8ca2")]
[StructLayout(LayoutKind.Sequential)]
public struct PSAPI_WORKING_SET_INFORMATION
{
/// <summary>The number of entries in the <c>WorkingSetInfo</c> array.</summary>
public UIntPtr NumberOfEntries;
/// <summary>An array of PSAPI_WORKING_SET_BLOCK elements, one for each page in the process working set.</summary>
public PSAPI_WORKING_SET_BLOCK[] WorkingSetInfo
{
get
{
unsafe
{
fixed (PSAPI_WORKING_SET_INFORMATION* ptr = &this)
{
var ret = new PSAPI_WORKING_SET_BLOCK[NumberOfEntries.ToUInt64()];
var pblk = (PSAPI_WORKING_SET_BLOCK*)(ptr + 1);
for (ulong i = 0; i < NumberOfEntries.ToUInt64(); i++)
ret[i] = pblk[i];
return ret;
}
}
}
}
}
/// <summary>Contains extended working set information for a process.</summary>
// https://docs.microsoft.com/en-us/windows/win32/api/psapi/ns-psapi-_psapi_working_set_ex_information
// typedef struct _PSAPI_WORKING_SET_EX_INFORMATION { PVOID VirtualAddress; PSAPI_WORKING_SET_EX_BLOCK VirtualAttributes; } PSAPI_WORKING_SET_EX_INFORMATION, *PPSAPI_WORKING_SET_EX_INFORMATION;
[PInvokeData("psapi.h", MSDNShortId = "d3500737-b9af-41a8-bf69-61d0bfbd6ce4")]
[StructLayout(LayoutKind.Sequential)]
public struct PSAPI_WORKING_SET_EX_INFORMATION
{
/// <summary>The virtual address.</summary>
public IntPtr VirtualAddress;
/// <summary>A PSAPI_WORKING_SET_EX_BLOCK union that indicates the attributes of the page at <c>VirtualAddress</c>.</summary>
public PSAPI_WORKING_SET_EX_BLOCK VirtualAttributes;
}
/// <summary>

125
UnitTests/PInvoke/Kernel32/PsApiTests.cs Normal file
View File

@ -0,0 +1,125 @@
using NUnit.Framework;
using System.Runtime.InteropServices;
using System.Text;
using static Vanara.PInvoke.Kernel32;
namespace Vanara.PInvoke.Tests
{
[TestFixture]
public class PsApiTests
{
[Test]
public void EmptyWorkingSetTest()
{
Assert.That(EmptyWorkingSet(GetCurrentProcess()), Is.True);
}
[Test]
public void EnumDeviceDriversTest()
{
Assert.That(EnumDeviceDrivers(), Is.Not.Empty);
}
[Test]
public void EnumPageFilesTest()
{
Assert.That(EnumPageFiles(), Is.Not.Empty);
}
[Test]
public void EnumProcessesTest()
{
Assert.That(EnumProcesses(), Is.Not.Empty);
}
[Test]
public void EnumProcessModulesExTest()
{
Assert.That(EnumProcessModulesEx(GetCurrentProcess()), Is.Not.Empty);
}
[Test]
public void EnumProcessModulesTest()
{
Assert.That(EnumProcessModules(GetCurrentProcess()), Is.Not.Empty);
}
[Test]
public void GetDeviceDriverBaseFileNameTest()
{
var imgBase = EnumDeviceDrivers()[0];
var sb = new StringBuilder(MAX_PATH);
Assert.That(GetDeviceDriverBaseName(imgBase, sb, (uint)sb.Capacity), Is.Not.Zero);
TestContext.Write(sb + " : ");
sb.Clear();
Assert.That(GetDeviceDriverFileName(imgBase, sb, (uint)sb.Capacity), Is.Not.Zero);
TestContext.WriteLine(sb);
}
[Test]
public void GetModuleInformationTest()
{
var hMod = EnumProcessModules(GetCurrentProcess())[0];
var sb = new StringBuilder(MAX_PATH);
Assert.That(GetModuleBaseName(GetCurrentProcess(), hMod, sb, (uint)sb.Capacity), Is.Not.Zero);
TestContext.WriteLine(sb);
Assert.That(GetModuleInformation(GetCurrentProcess(), hMod, out var modInfo, (uint)Marshal.SizeOf<MODULEINFO>()), Is.True);
TestContext.WriteLine(modInfo.SizeOfImage);
}
[Test]
public void GetPerformanceInfoTest()
{
Assert.That(GetPerformanceInfo(out var pi, PERFORMANCE_INFORMATION.Default.cb), Is.True);
TestContext.WriteLine($"PgSz = {pi.PageSize}");
}
[Test]
public void GetProcessImageFileNameTest()
{
var sb = new StringBuilder(MAX_PATH);
Assert.That(GetProcessImageFileName(GetCurrentProcess(), sb, (uint)sb.Capacity), Is.Not.Zero);
TestContext.WriteLine(sb);
}
[Test]
public void GetProcessMemoryInfoTest()
{
Assert.That(GetProcessMemoryInfo(GetCurrentProcess(), out var cnt, PROCESS_MEMORY_COUNTERS.Default.cb), Is.True);
TestContext.WriteLine($"PgUse = {cnt.PeakPagefileUsage}");
}
[Test]
public void QueryWorkingSetTest()
{
Assert.That(QueryWorkingSet(GetCurrentProcess()), Is.Not.Empty);
}
[Test]
public void QueryWorkingSetExTest()
{
Assert.That(() =>
{
var info = QueryWorkingSetEx(GetCurrentProcess());
Assert.That(info, Is.Not.Empty);
var i1 = QueryWorkingSetEx(GetCurrentProcess(), info[0].VirtualAddress)[0];
Assert.That(i1.VirtualAddress, Is.EqualTo(info[0].VirtualAddress));
Assert.That(i1.VirtualAttributes.Valid, Is.True);
}, Throws.Nothing);
}
[Test]
public void WsWatchExTest()
{
Assert.That(InitializeProcessForWsWatch(GetCurrentProcess()), Is.True);
Assert.That(GetWsChangesEx(GetCurrentProcess()), Is.Not.Empty);
}
[Test]
public void WsWatchTest()
{
Assert.That(InitializeProcessForWsWatch(GetCurrentProcess()), Is.True);
Assert.That(GetWsChanges(GetCurrentProcess()), Is.Not.Empty);
}
}
}