using System; using System.Runtime.InteropServices; namespace Vanara.PInvoke { public static partial class Kernel32 { /// /// An application-defined function used with the CreateFiber function. It serves as the starting address for a fiber. The /// LPFIBER_START_ROUTINE type defines a pointer to this callback function. FiberProc is a placeholder for the /// application-defined function name. /// /// The fiber data passed using the lpParameter parameter of the CreateFiber function. /// This function does not return a value. // VOID CALLBACK FiberProc( _In_ PVOID lpParameter); https://msdn.microsoft.com/en-us/library/windows/desktop/ms682660(v=vs.85).aspx [UnmanagedFunctionPointer(CallingConvention.Winapi)] [PInvokeData("WinBase.h", MSDNShortId = "ms682660")] public delegate void FiberProc(IntPtr lpParameter); /// The thread's execution requirements. public enum EXECUTION_STATE : uint { /// /// Enables away mode. This value must be specified with ES_CONTINUOUS. /// /// Away mode should be used only by media-recording and media-distribution applications that must perform critical background /// processing on desktop computers while the computer appears to be sleeping. See Remarks. /// /// ES_AWAYMODE_REQUIRED = 0x00000040, /// /// Informs the system that the state being set should remain in effect until the next call that uses ES_CONTINUOUS and one of /// the other state flags is cleared. /// ES_CONTINUOUS = 0x80000000, /// Forces the display to be on by resetting the display idle timer. ES_DISPLAY_REQUIRED = 0x00000002, /// Forces the system to be in the working state by resetting the system idle timer. ES_SYSTEM_REQUIRED = 0x00000001, /// /// This value is not supported. If ES_USER_PRESENT is combined with other esFlags values, the call will fail and none of the /// specified states will be set. /// ES_USER_PRESENT = 0x00000004, } /// Flags used by . [PInvokeData("winbase.h", MSDNShortId = "cb0473f8-bc49-44c9-a8b7-6d5b55aa37a5")] public enum FIBER_FLAG { /// /// The floating-point state on x86 systems is not switched and data can be corrupted if a fiber uses floating-point arithmetic. /// FIBER_FLAG_NONE = 0, /// The floating-point state is switched for the fiber. FIBER_FLAG_FLOAT_SWITCH = 1, } /// Converts the current fiber into a thread. /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// // BOOL WINAPI ConvertFiberToThread(void); https://msdn.microsoft.com/en-us/library/windows/desktop/ms682112(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms682112")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool ConvertFiberToThread(); /// Converts the current thread into a fiber. You must convert a thread into a fiber before you can schedule other fibers. /// /// A pointer to a variable that is passed to the fiber. The fiber can retrieve this data by using the GetFiberData macro. /// /// /// If the function succeeds, the return value is the address of the fiber. /// If the function fails, the return value is NULL. To get extended error information, call GetLastError. /// // LPVOID WINAPI ConvertThreadToFiber( _In_opt_ LPVOID lpParameter); https://msdn.microsoft.com/en-us/library/windows/desktop/ms682115(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms682115")] public static extern IntPtr ConvertThreadToFiber([In, Optional] IntPtr lpParameter); /// /// Converts the current thread into a fiber. You must convert a thread into a fiber before you can schedule other fibers. /// /// /// A pointer to a variable that is passed to the fiber. The fiber can retrieve this data by using the GetFiberData macro. /// /// /// /// If this parameter is zero, the floating-point state on x86 systems is not switched and data can be corrupted if a fiber uses /// floating-point arithmetic. If this parameter is FIBER_FLAG_FLOAT_SWITCH, the floating-point state is switched for the fiber. /// /// /// /// If the function succeeds, the return value is the address of the fiber. /// If the function fails, the return value is NULL. To get extended error information, call GetLastError. /// /// /// /// Only fibers can execute other fibers. If a thread needs to execute a fiber, it must call ConvertTheadToFiber or /// ConvertThreadToFiberEx to create an area in which to save fiber state information. The thread is now the current fiber. /// The state information for this fiber includes the fiber data specified by . /// /// /// To compile an application that uses this function, define _WIN32_WINNT as 0x0400 or later. For more information, see Using the /// Windows Headers. /// /// // https://docs.microsoft.com/en-us/windows/desktop/api/winbase/nf-winbase-convertthreadtofiberex LPVOID ConvertThreadToFiberEx( // LPVOID lpParameter, DWORD dwFlags ); [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("winbase.h", MSDNShortId = "cb0473f8-bc49-44c9-a8b7-6d5b55aa37a5")] public static extern IntPtr ConvertThreadToFiberEx([In, Optional] IntPtr lpParameter, FIBER_FLAG dwFlags); /// /// Allocates a fiber object, assigns it a stack, and sets up execution to begin at the specified start address, typically the fiber /// function. This function does not schedule the fiber. /// /// /// The initial size of the stack, in bytes. If this parameter is zero, the new fiber uses the default stack size for the executable. /// For more information, see Thread Stack Size. /// /// /// A pointer to the application-defined function to be executed by the fiber and represents the starting address of the fiber. /// Execution of the newly created fiber does not begin until another fiber calls the SwitchToFiber function with this address. For /// more information of the fiber callback function, see FiberProc. /// /// /// A pointer to a variable that is passed to the fiber. The fiber can retrieve this data by using the GetFiberData macro. /// /// /// If the function succeeds, the return value is the address of the fiber. If the function fails, the return value is NULL.To get /// extended error information, call GetLastError. /// // VOID CALLBACK FiberProc( _In_ PVOID lpParameter); https://msdn.microsoft.com/en-us/library/windows/desktop/ms682402(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms682402")] public static extern IntPtr CreateFiber([Optional] SizeT dwStackSize, FiberProc lpStartAddress, [In, Optional] IntPtr lpParameter); /// /// Allocates a fiber object, assigns it a stack, and sets up execution to begin at the specified start address, typically the fiber /// function. This function does not schedule the fiber. /// /// /// The initial commit size of the stack, in bytes. If this parameter is zero, the new fiber uses the default commit stack size for /// the executable. For more information, see Thread Stack Size. /// /// /// The initial reserve size of the stack, in bytes. If this parameter is zero, the new fiber uses the default reserved stack size /// for the executable. For more information, see Thread Stack Size. /// /// /// /// If this parameter is zero, the floating-point state on x86 systems is not switched and data can be corrupted if a fiber uses /// floating-point arithmetic. If this parameter is FIBER_FLAG_FLOAT_SWITCH, the floating-point state is switched for the fiber. /// /// Windows XP: The FIBER_FLAG_FLOAT_SWITCH flag is not supported. /// /// /// A pointer to the application-defined function to be executed by the fiber and represents the starting address of the fiber. /// Execution of the newly created fiber does not begin until another fiber calls the SwitchToFiber function with this /// address. For more information on the fiber callback function, see FiberProc. /// /// /// A pointer to a variable that is passed to the fiber. The fiber can retrieve this data by using the GetFiberData macro. /// /// /// If the function succeeds, the return value is the address of the fiber. /// If the function fails, the return value is NULL. To get extended error information, call GetLastError. /// // LPVOID WINAPI CreateFiberEx( _In_ SIZE_T dwStackCommitSize, _In_ SIZE_T dwStackReserveSize, _In_ DWORD dwFlags, _In_ // LPFIBER_START_ROUTINE lpStartAddress, _In_opt_ LPVOID lpParameter); https://msdn.microsoft.com/en-us/library/windows/desktop/ms682406(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms682406")] public static extern IntPtr CreateFiberEx(SizeT dwStackCommitSize, SizeT dwStackReserveSize, FIBER_FLAG dwFlags, FiberProc lpStartAddress, [In, Optional] IntPtr lpParameter); /// Deletes an existing fiber. /// The address of the fiber to be deleted. /// This function does not return a value. // VOID WINAPI DeleteFiber( _In_ LPVOID lpFiber); https://msdn.microsoft.com/en-us/library/windows/desktop/ms682556(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = false, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms682556")] public static extern void DeleteFiber([In] IntPtr lpFiber); /// Retrieves a pseudo handle for the current process. /// The return value is a pseudo handle to the current process. // HANDLE WINAPI GetCurrentProcess(void); https://msdn.microsoft.com/en-us/library/windows/desktop/ms683179(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = false, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms683179")] public static extern HPROCESS GetCurrentProcess(); /// /// Retrieves the amount of memory available in the specified node. /// Use the GetNumaAvailableMemoryNodeEx function to specify the node as a USHORT value. /// /// The number of the node. /// The amount of available memory for the node, in bytes. /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// // BOOL WINAPI GetNumaAvailableMemoryNode( _In_ UCHAR Node, _Out_ PULONGLONG AvailableBytes); https://msdn.microsoft.com/en-us/library/windows/desktop/ms683202(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms683202")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetNumaAvailableMemoryNode(byte Node, out ulong AvailableBytes); /// /// Retrieves the amount of memory that is available in a node specified as a USHORT value. /// /// /// The number of the node. /// /// /// The amount of available memory for the node, in bytes. /// /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// /// /// /// The GetNumaAvailableMemoryNodeEx function returns the amount of memory consumed by free and zeroed pages on the specified /// node. On systems with more than one node, this memory does not include standby pages. Therefore, the sum of the available memory /// values for all nodes in the system is equal to the value of the Free & Zero Page List Bytes memory performance counter. On /// systems with only one node, the value returned by GetNumaAvailableMemoryNode includes standby pages and is equal to the value of /// the Available Bytes memory performance counter. For more information about performance counters, see Memory Performance Information. /// /// /// The only difference between the GetNumaAvailableMemoryNodeEx function and the GetNumaAvailableMemoryNode function is the /// data type of the Node parameter. /// /// /// To compile an application that uses this function, set _WIN32_WINNT >= 0x0601. For more information, see Using the Windows Headers. /// /// // https://docs.microsoft.com/en-us/windows/desktop/api/winbase/nf-winbase-getnumaavailablememorynodeex BOOL // GetNumaAvailableMemoryNodeEx( USHORT Node, PULONGLONG AvailableBytes ); [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("winbase.h", MSDNShortId = "59382114-f3da-45e0-843e-51c0fd52a164")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetNumaAvailableMemoryNodeEx(ushort Node, out ulong AvailableBytes); /// /// Retrieves the NUMA node associated with the file or I/O device represented by the specified file handle. /// /// /// /// A handle to a file or I/O device. Examples of I/O devices include files, file streams, volumes, physical disks, and sockets. For /// more information, see the CreateFile function. /// /// /// /// A pointer to a variable to receive the number of the NUMA node associated with the specified file handle. /// /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, use GetLastError. /// /// /// /// If the specified handle does not have a node associated with it, the function returns FALSE. The value of the NodeNumber /// parameter is undetermined and should not be used. /// /// /// To compile an application that uses this function, set _WIN32_WINNT >= 0x0601. For more information, see Using the Windows Headers. /// /// // https://docs.microsoft.com/en-us/windows/desktop/api/winbase/nf-winbase-getnumanodenumberfromhandle BOOL // GetNumaNodeNumberFromHandle( HANDLE hFile, PUSHORT NodeNumber ); [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("winbase.h", MSDNShortId = "7622f7c9-2dfc-4ab7-b3e9-48d483c6cc0e")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetNumaNodeNumberFromHandle(HFILE hFile, out ushort NodeNumber); /// /// Retrieves the processor mask for the specified node. /// Use the GetNumaNodeProcessorMaskEx function to retrieve the processor mask for a node in any processor group. /// /// The number of the node. /// /// /// The processor mask for the node. A processor mask is a bit vector in which each bit represents a processor and whether it is in /// the node. /// /// If the node has no processors configured, the processor mask is zero. /// /// On systems with more than 64 processors, this parameter is set to the processor mask for the node only if the node is in the same /// processor group as the calling thread. Otherwise, the parameter is set to zero. /// /// /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// // BOOL WINAPI GetNumaNodeProcessorMask( _In_ UCHAR Node, _Out_ PULONGLONG ProcessorMask); https://msdn.microsoft.com/en-us/library/windows/desktop/ms683204(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms683204")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetNumaNodeProcessorMask(byte Node, out ulong ProcessorMask); /// /// Retrieves the node number for the specified processor. /// /// Use the GetNumaProcessorNodeEx function to specify a processor group and retrieve the node number as a USHORT value. /// /// /// /// The processor number. /// /// On a system with more than 64 logical processors, the processor number is relative to the processor group that contains the /// processor on which the calling thread is running. /// /// /// The node number. If the processor does not exist, this parameter is 0xFF. /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// // BOOL WINAPI GetNumaProcessorNode( _In_ UCHAR Processor, _Out_ PUCHAR NodeNumber); https://msdn.microsoft.com/en-us/library/windows/desktop/ms683205(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms683205")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetNumaProcessorNode(byte Processor, out byte NodeNumber); /// /// Retrieves the node number as a USHORT value for the specified logical processor. /// /// /// /// A pointer to a PROCESSOR_NUMBER structure that represents the logical processor and the processor group to which it is assigned. /// /// /// /// /// A pointer to a variable to receive the node number. If the specified processor does not exist, this parameter is set to MAXUSHORT. /// /// /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// /// /// /// To compile an application that uses this function, set _WIN32_WINNT >= 0x0601. For more information, see Using the Windows Headers. /// /// // https://docs.microsoft.com/en-us/windows/desktop/api/winbase/nf-winbase-getnumaprocessornodeex BOOL GetNumaProcessorNodeEx( // PPROCESSOR_NUMBER Processor, PUSHORT NodeNumber ); [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("winbase.h", MSDNShortId = "6b843cd8-eeb5-4aa1-aad4-ce98916346b1")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetNumaProcessorNodeEx(in PROCESSOR_NUMBER Processor, out ushort NodeNumber); /// /// Retrieves the NUMA node number that corresponds to the specified proximity domain identifier. /// Use the GetNumaProximityNodeEx function to retrieve the node number as a USHORT value. /// /// /// The proximity domain identifier of the node. /// /// /// The node number. If the processor does not exist, this parameter is 0xFF. /// /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// /// /// /// A proximity domain identifier is an index to a NUMA node on a NUMA system. Proximity domain identifiers are found in the ACPI /// System Resource Affinity Table (SRAT), where they are used to associate processors and memory regions with a particular NUMA /// node. Proximity domain identifiers are also found in the ACPI namespace, where they are used to associate a device with a /// particular NUMA node. Proximity domain identifiers are typically used only by management applications provided by system /// manufacturers. Windows does not use proximity domain identifiers to identify NUMA nodes; instead, it assigns a unique number to /// each NUMA node in the system. /// /// /// The relative distance between nodes on a system is stored in the ACPI System Locality Distance Information Table (SLIT), which is /// not exposed by any Windows functions. For more information about ACPI tables, see the ACPI specifications. /// /// // https://docs.microsoft.com/en-us/windows/desktop/api/winbase/nf-winbase-getnumaproximitynode BOOL GetNumaProximityNode( ULONG // ProximityId, PUCHAR NodeNumber ); [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("winbase.h", MSDNShortId = "9a2dbfe3-13e7-442d-a5f6-b2632878f618")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetNumaProximityNode(uint ProximityId, out byte NodeNumber); /// Retrieves the process affinity mask for the specified process and the system affinity mask for the system. /// /// A handle to the process whose affinity mask is desired. /// /// This handle must have the PROCESS_QUERY_INFORMATION or PROCESS_QUERY_LIMITED_INFORMATION access right. For more /// information, see Process Security and Access Rights. /// /// Windows Server 2003 and Windows XP: The handle must have the PROCESS_QUERY_INFORMATION access right. /// /// A pointer to a variable that receives the affinity mask for the specified process. /// A pointer to a variable that receives the affinity mask for the system. /// /// /// If the function succeeds, the return value is nonzero and the function sets the variables pointed to by lpProcessAffinityMask and /// lpSystemAffinityMask to the appropriate affinity masks. /// /// /// On a system with more than 64 processors, if the threads of the calling process are in a single processor group, the function /// sets the variables pointed to by lpProcessAffinityMask and lpSystemAffinityMask to the process affinity mask and the processor /// mask of active logical processors for that group. If the calling process contains threads in multiple groups, the function /// returns zero for both affinity masks. /// /// /// If the function fails, the return value is zero, and the values of the variables pointed to by lpProcessAffinityMask and /// lpSystemAffinityMask are undefined. To get extended error information, call GetLastError. /// /// // BOOL WINAPI GetProcessAffinityMask( _In_ HANDLE hProcess, _Out_ PDWORD_PTR lpProcessAffinityMask, _Out_ PDWORD_PTR // lpSystemAffinityMask); https://msdn.microsoft.com/en-us/library/windows/desktop/ms683213(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms683213")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetProcessAffinityMask([In] HPROCESS hProcess, out UIntPtr lpProcessAffinityMask, out UIntPtr lpSystemAffinityMask); /// Retrieves accounting information for all I/O operations performed by the specified process. /// /// /// A handle to the process. The handle must have the PROCESS_QUERY_INFORMATION or PROCESS_QUERY_LIMITED_INFORMATION /// access right. For more information, see Process Security and Access Rights. /// /// Windows Server 2003 and Windows XP: The handle must have the PROCESS_QUERY_INFORMATION access right. /// /// /// A pointer to an IO_COUNTERS structure that receives the I/O accounting information for the process. /// /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// // BOOL WINAPI GetProcessIoCounters( _In_ HANDLE hProcess, _Out_ PIO_COUNTERS lpIoCounters); https://msdn.microsoft.com/en-us/library/windows/desktop/ms683218(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms683218")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetProcessIoCounters([In] HPROCESS hProcess, out IO_COUNTERS lpIoCounters); /// Retrieves the minimum and maximum working set sizes of the specified process. /// /// /// A handle to the process whose working set sizes will be obtained. The handle must have the PROCESS_QUERY_INFORMATION or /// PROCESS_QUERY_LIMITED_INFORMATION access right. For more information, see Process Security and Access Rights. /// /// Windows Server 2003 and Windows XP: The handle must have the PROCESS_QUERY_INFORMATION access right. /// /// /// A pointer to a variable that receives the minimum working set size of the specified process, in bytes. The virtual memory manager /// attempts to keep at least this much memory resident in the process whenever the process is active. /// /// /// A pointer to a variable that receives the maximum working set size of the specified process, in bytes. The virtual memory manager /// attempts to keep no more than this much memory resident in the process whenever the process is active when memory is in short supply. /// /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// // BOOL WINAPI GetProcessWorkingSetSize( _In_ HANDLE hProcess, _Out_ PSIZE_T lpMinimumWorkingSetSize, _Out_ PSIZE_T lpMaximumWorkingSetSize); [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms683226")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetProcessWorkingSetSize([In] HPROCESS hProcess, [Out] out SizeT lpMinimumWorkingSetSize, [Out] out SizeT lpMaximumWorkingSetSize); /// /// /// Maps a view of a file mapping into the address space of a calling process and specifies the NUMA node for the physical memory. /// /// /// /// A handle to a file mapping object. The CreateFileMappingNuma and OpenFileMapping functions return this handle. /// /// /// /// The type of access to a file mapping object, which determines the page protection of the pages. This parameter can be one of the /// following values. /// /// /// /// Value /// Meaning /// /// /// FILE_MAP_ALL_ACCESS /// /// A read/write view of the file is mapped. The file mapping object must have been created with PAGE_READWRITE or /// PAGE_EXECUTE_READWRITE protection. When used with the MapViewOfFileExNuma function, FILE_MAP_ALL_ACCESS is equivalent to FILE_MAP_WRITE. /// /// /// /// FILE_MAP_COPY /// /// A copy-on-write view of the file is mapped. The file mapping object must have been created with PAGE_READONLY, PAGE_READ_EXECUTE, /// PAGE_WRITECOPY, PAGE_EXECUTE_WRITECOPY, PAGE_READWRITE, or PAGE_EXECUTE_READWRITE protection. When a process writes to a /// copy-on-write page, the system copies the original page to a new page that is private to the process. The new page is backed by /// the paging file. The protection of the new page changes from copy-on-write to read/write. When copy-on-write access is specified, /// the system and process commit charge taken is for the entire view because the calling process can potentially write to every page /// in the view, making all pages private. The contents of the new page are never written back to the original file and are lost when /// the view is unmapped. /// /// /// /// FILE_MAP_READ /// /// A read-only view of the file is mapped. An attempt to write to the file view results in an access violation. The file mapping /// object must have been created with PAGE_READONLY, PAGE_READWRITE, PAGE_EXECUTE_READ, or PAGE_EXECUTE_READWRITE protection. /// /// /// /// FILE_MAP_WRITE /// /// A read/write view of the file is mapped. The file mapping object must have been created with PAGE_READWRITE or /// PAGE_EXECUTE_READWRITE protection. When used with MapViewOfFileExNuma, and FILE_MAP_ALL_ACCESS are equivalent to FILE_MAP_WRITE. /// /// /// /// Each of the preceding values can be combined with the following value. /// /// /// Value /// Meaning /// /// /// FILE_MAP_EXECUTE /// /// An executable view of the file is mapped (mapped memory can be run as code). The file mapping object must have been created with /// PAGE_EXECUTE_READ, PAGE_EXECUTE_WRITECOPY, or PAGE_EXECUTE_READWRITE protection. /// /// /// /// /// For file mapping objects created with the SEC_IMAGE attribute, the dwDesiredAccess parameter has no effect and should be /// set to any valid value such as FILE_MAP_READ. /// /// For more information about access to file mapping objects, see File Mapping Security and Access Rights. /// /// /// The high-order DWORD of the file offset where the view is to begin. /// /// /// /// The low-order DWORD of the file offset where the view is to begin. The combination of the high and low offsets must /// specify an offset within the file mapping. They must also match the memory allocation granularity of the system. That is, the /// offset must be a multiple of the allocation granularity. To obtain the memory allocation granularity of the system, use the /// GetSystemInfo function, which fills in the members of a SYSTEM_INFO structure. /// /// /// /// /// The number of bytes of a file mapping to map to a view. All bytes must be within the maximum size specified by CreateFileMapping. /// If this parameter is 0 (zero), the mapping extends from the specified offset to the end of the file mapping. /// /// /// /// /// A pointer to the memory address in the calling process address space where mapping begins. This must be a multiple of the /// system's memory allocation granularity, or the function fails. To determine the memory allocation granularity of the system, use /// the GetSystemInfo function. If there is not enough address space at the specified address, the function fails. /// /// If the lpBaseAddress parameter is NULL, the operating system chooses the mapping address. /// /// While it is possible to specify an address that is safe now (not used by the operating system), there is no guarantee that the /// address will remain safe over time. Therefore, it is better to let the operating system choose the address. In this case, you /// would not store pointers in the memory mapped file; you would store offsets from the base of the file mapping so that the mapping /// can be used at any address. /// /// /// /// The NUMA node where the physical memory should reside. /// /// /// Value /// Meaning /// /// /// NUMA_NO_PREFERRED_NODE 0xffffffff /// No NUMA node is preferred. This is the same as calling the MapViewOfFileEx function. /// /// /// /// /// If the function succeeds, the return value is the starting address of the mapped view. /// If the function fails, the return value is NULL. To get extended error information, call the GetLastError function. /// /// /// Mapping a file makes the specified portion of the file visible in the address space of the calling process. /// /// For files that are larger than the address space, you can map only a small portion of the file data at one time. When the first /// view is complete, then you unmap it and map a new view. /// /// To obtain the size of a view, use the VirtualQueryEx function. /// The initial contents of the pages in a file mapping object backed by the page file are 0 (zero). /// /// If a suggested mapping address is supplied, the file is mapped at the specified address (rounded down to the nearest 64-KB /// boundary) if there is enough address space at the specified address. If there is not enough address space, the function fails. /// /// /// Typically, the suggested address is used to specify that a file should be mapped at the same address in multiple processes. This /// requires the region of address space to be available in all involved processes. No other memory allocation can take place in the /// region that is used for mapping, including the use of the VirtualAllocExNuma function to reserve memory. /// /// /// If the lpBaseAddress parameter specifies a base offset, the function succeeds if the specified memory region is not already in /// use by the calling process. The system does not ensure that the same memory region is available for the memory mapped file in /// other 32-bit processes. /// /// /// Multiple views of a file (or a file mapping object and its mapped file) are coherent if they contain identical data at a /// specified time. This occurs if the file views are derived from the same file mapping object. A process can duplicate a file /// mapping object handle into another process by using the DuplicateHandle function, or another process can open a file mapping /// object by name by using the OpenFileMapping function. /// /// /// With one important exception, file views derived from any file mapping object that is backed by the same file are coherent or /// identical at a specific time. Coherency is guaranteed for views within a process and for views that are mapped by different processes. /// /// /// The exception is related to remote files. Although MapViewOfFileExNuma works with remote files, it does not keep them /// coherent. For example, if two computers both map a file as writable, and both change the same page, each computer only sees its /// own writes to the page. When the data gets updated on the disk, it is not merged. /// /// A mapped view of a file is not guaranteed to be coherent with a file being accessed by the ReadFile or WriteFile function. /// /// To guard against EXCEPTION_IN_PAGE_ERROR exceptions, use structured exception handling to protect any code that writes to /// or reads from a memory mapped view of a file other than the page file. For more information, see Reading and Writing From a File View. /// /// /// When modifying a file through a mapped view, the last modification timestamp may not be updated automatically. If required, the /// caller should use SetFileTime to set the timestamp. /// /// /// To have a file with executable permissions, an application must call the CreateFileMappingNuma function with either /// PAGE_EXECUTE_READWRITE or PAGE_EXECUTE_READ and then call the MapViewOfFileExNuma function with /// FILE_MAP_EXECUTE | FILE_MAP_WRITE or FILE_MAP_EXECUTE | FILE_MAP_READ. /// /// In Windows Server 2012, this function is supported by the following technologies. /// /// /// Technology /// Supported /// /// /// Server Message Block (SMB) 3.0 protocol /// Yes /// /// /// SMB 3.0 Transparent Failover (TFO) /// Yes /// /// /// SMB 3.0 with Scale-out File Shares (SO) /// Yes /// /// /// Cluster Shared Volume File System (CsvFS) /// Yes /// /// /// Resilient File System (ReFS) /// Yes /// /// /// // https://docs.microsoft.com/en-us/windows/desktop/api/winbase/nf-winbase-mapviewoffileexnuma LPVOID MapViewOfFileExNuma( HANDLE // hFileMappingObject, DWORD dwDesiredAccess, DWORD dwFileOffsetHigh, DWORD dwFileOffsetLow, SIZE_T dwNumberOfBytesToMap, LPVOID // lpBaseAddress, DWORD nndPreferred ); [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("winbase.h", MSDNShortId = "1e28c8db-112d-481d-b470-8ca618e125ce")] public static extern IntPtr MapViewOfFileExNuma(HSECTION hFileMappingObject, FILE_MAP dwDesiredAccess, uint dwFileOffsetHigh, uint dwFileOffsetLow, SizeT dwNumberOfBytesToMap, IntPtr lpBaseAddress, uint nndPreferred); /// Sets a processor affinity mask for the threads of the specified process. /// /// A handle to the process whose affinity mask is to be set. This handle must have the PROCESS_SET_INFORMATION access right. /// For more information, see Process Security and Access Rights. /// /// /// The affinity mask for the threads of the process. /// On a system with more than 64 processors, the affinity mask must specify processors in a single processor group. /// /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// If the process affinity mask requests a processor that is not configured in the system, the last error code is ERROR_INVALID_PARAMETER. /// /// On a system with more than 64 processors, if the calling process contains threads in more than one processor group, the last /// error code is ERROR_INVALID_PARAMETER. /// /// // BOOL WINAPI SetProcessAffinityMask( _In_ HANDLE hProcess, _In_ DWORD_PTR dwProcessAffinityMask); https://msdn.microsoft.com/en-us/library/windows/desktop/ms686223(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms686223")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool SetProcessAffinityMask([In] HPROCESS hProcess, UIntPtr dwProcessAffinityMask); /// Sets the minimum and maximum working set sizes for the specified process. /// /// A handle to the process whose working set sizes is to be set. /// /// The handle must have the PROCESS_SET_QUOTA access right. For more information, see Process Security and Access Rights. /// /// /// /// /// The minimum working set size for the process, in bytes. The virtual memory manager attempts to keep at least this much memory /// resident in the process whenever the process is active. /// /// /// This parameter must be greater than zero but less than or equal to the maximum working set size. The default size is 50 pages /// (for example, this is 204,800 bytes on systems with a 4K page size). If the value is greater than zero but less than 20 pages, /// the minimum value is set to 20 pages. /// /// /// If both dwMinimumWorkingSetSize and dwMaximumWorkingSetSize have the value ( SIZE_T)–1, the function removes as many pages /// as possible from the working set of the specified process. /// /// /// /// /// The maximum working set size for the process, in bytes. The virtual memory manager attempts to keep no more than this much memory /// resident in the process whenever the process is active and available memory is low. /// /// /// This parameter must be greater than or equal to 13 pages (for example, 53,248 on systems with a 4K page size), and less than the /// system-wide maximum (number of available pages minus 512 pages). The default size is 345 pages (for example, this is 1,413,120 /// bytes on systems with a 4K page size). /// /// /// If both dwMinimumWorkingSetSize and dwMaximumWorkingSetSize have the value ( SIZE_T)–1, the function removes as many pages /// as possible from the working set of the specified process. /// /// /// /// If the function succeeds, the return value is nonzero. /// If the function fails, the return value is zero. Call GetLastError to obtain extended error information. /// // BOOL WINAPI SetProcessWorkingSetSize( _In_ HANDLE hProcess, _In_ SIZE_T dwMinimumWorkingSetSize, _In_ SIZE_T // dwMaximumWorkingSetSize); https://msdn.microsoft.com/en-us/library/windows/desktop/ms686234(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms686234")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool SetProcessWorkingSetSize([In] HPROCESS hProcess, SizeT dwMinimumWorkingSetSize, SizeT dwMaximumWorkingSetSize); /// Sets a processor affinity mask for the specified thread. /// /// A handle to the thread whose affinity mask is to be set. /// /// This handle must have the THREAD_SET_INFORMATION or THREAD_SET_LIMITED_INFORMATION access right and the /// THREAD_QUERY_INFORMATION or THREAD_QUERY_LIMITED_INFORMATION access right. For more information, see Thread /// Security and Access Rights. /// /// /// Windows Server 2003 and Windows XP: The handle must have the THREAD_SET_INFORMATION and /// THREAD_QUERY_INFORMATION access rights. /// /// /// /// The affinity mask for the thread. /// /// On a system with more than 64 processors, the affinity mask must specify processors in the thread's current processor group. /// /// /// /// If the function succeeds, the return value is the thread's previous affinity mask. /// If the function fails, the return value is zero. To get extended error information, call GetLastError. /// /// If the thread affinity mask requests a processor that is not selected for the process affinity mask, the last error code is ERROR_INVALID_PARAMETER. /// /// // DWORD_PTR WINAPI SetThreadAffinityMask( _In_ HANDLE hThread, _In_ DWORD_PTR dwThreadAffinityMask); https://msdn.microsoft.com/en-us/library/windows/desktop/ms686247(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = true, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms686247")] public static extern UIntPtr SetThreadAffinityMask([In] HTHREAD hThread, UIntPtr dwThreadAffinityMask); /// /// Enables an application to inform the system that it is in use, thereby preventing the system from entering sleep or turning off /// the display while the application is running. /// /// /// The thread's execution requirements. This parameter can be one or more of the following values. /// /// /// /// Value /// Meaning /// /// /// ES_AWAYMODE_REQUIRED0x00000040 /// /// Enables away mode. This value must be specified with ES_CONTINUOUS.Away mode should be used only by media-recording and /// media-distribution applications that must perform critical background processing on desktop computers while the computer appears /// to be sleeping. See Remarks. /// /// /// /// ES_CONTINUOUS0x80000000 /// /// Informs the system that the state being set should remain in effect until the next call that uses ES_CONTINUOUS and one of the /// other state flags is cleared. /// /// /// /// ES_DISPLAY_REQUIRED0x00000002 /// Forces the display to be on by resetting the display idle timer. /// /// /// ES_SYSTEM_REQUIRED0x00000001 /// Forces the system to be in the working state by resetting the system idle timer. /// /// /// ES_USER_PRESENT0x00000004 /// /// This value is not supported. If ES_USER_PRESENT is combined with other esFlags values, the call will fail and none of the /// specified states will be set. /// /// /// /// /// /// /// If the function succeeds, the return value is the previous thread execution state. /// If the function fails, the return value is NULL. /// // EXECUTION_STATE WINAPI SetThreadExecutionState( _In_ EXECUTION_STATE esFlags); https://msdn.microsoft.com/en-us/library/windows/desktop/aa373208(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = false, ExactSpelling = true)] [PInvokeData("Winbase.h", MSDNShortId = "aa373208")] public static extern EXECUTION_STATE SetThreadExecutionState(EXECUTION_STATE esFlags); /// Schedules a fiber. The function must be called on a fiber. /// The address of the fiber to be scheduled. /// This function does not return a value. // VOID WINAPI SwitchToFiber( _In_ LPVOID lpFiber); https://msdn.microsoft.com/en-us/library/windows/desktop/ms686350(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = false, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms686350")] public static extern void SwitchToFiber([In] IntPtr lpFiber); /// Runs the specified application. /// /// The command line (file name plus optional parameters) for the application to be executed. If the name of the executable file in /// the lpCmdLine parameter does not contain a directory path, the system searches for the executable file in this sequence: /// /// /// The display options. For a list of the acceptable values, see the description of the nCmdShow parameter of the ShowWindow function. /// /// /// If the function succeeds, the return value is greater than 31. /// If the function fails, the return value is one of the following error values. /// /// /// /// Return code/value /// Description /// /// /// 0 /// The system is out of memory or resources. /// /// /// ERROR_BAD_FORMAT /// The .exe file is invalid. /// /// /// ERROR_FILE_NOT_FOUND /// The specified file was not found. /// /// /// ERROR_PATH_NOT_FOUND /// The specified path was not found. /// /// /// /// // UINT WINAPI WinExec( _In_ LPCSTR lpCmdLine, _In_ UINT uCmdShow); https://msdn.microsoft.com/en-us/library/windows/desktop/ms687393(v=vs.85).aspx [DllImport(Lib.Kernel32, SetLastError = false, ExactSpelling = true)] [PInvokeData("WinBase.h", MSDNShortId = "ms687393")] public static extern uint WinExec([In, MarshalAs(UnmanagedType.LPStr)] string lpCmdLine, ShowWindowCommand uCmdShow); } }