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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . W I N 3 2 -- -- -- -- S p e c -- -- -- -- Copyright (C) 2008-2009, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- <http://www.gnu.org/licenses/>. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- This package plus its child provide the low level interface to the Win32 -- API. The core part of the Win32 API (common to RTX and Win32) is in this -- package, and an additional part of the Win32 API which is not supported by -- RTX is in package System.Win33.Ext. with Interfaces.C; package System.Win32 is pragma Pure; ------------------- -- General Types -- ------------------- -- The LARGE_INTEGER type is actually a fixed point type -- that only can represent integers. The reason for this is -- easier conversion to Duration or other fixed point types. -- (See Operations.Clock) type LARGE_INTEGER is delta 1.0 range -2.0**63 .. 2.0**63 - 1.0; subtype PVOID is Address; type HANDLE is new Interfaces.C.ptrdiff_t; INVALID_HANDLE_VALUE : constant HANDLE := -1; INVALID_FILE_SIZE : constant := 16#FFFFFFFF#; type DWORD is new Interfaces.C.unsigned_long; type WORD is new Interfaces.C.unsigned_short; type BYTE is new Interfaces.C.unsigned_char; type LONG is new Interfaces.C.long; type CHAR is new Interfaces.C.char; type BOOL is new Interfaces.C.int; for BOOL'Size use Interfaces.C.int'Size; type Bits1 is range 0 .. 2 ** 1 - 1; type Bits2 is range 0 .. 2 ** 2 - 1; type Bits17 is range 0 .. 2 ** 17 - 1; for Bits1'Size use 1; for Bits2'Size use 2; for Bits17'Size use 17; FALSE : constant := 0; TRUE : constant := 1; function GetLastError return DWORD; pragma Import (Stdcall, GetLastError, "GetLastError"); ----------- -- Files -- ----------- CP_UTF8 : constant := 65001; CP_ACP : constant := 0; GENERIC_READ : constant := 16#80000000#; GENERIC_WRITE : constant := 16#40000000#; CREATE_NEW : constant := 1; CREATE_ALWAYS : constant := 2; OPEN_EXISTING : constant := 3; OPEN_ALWAYS : constant := 4; TRUNCATE_EXISTING : constant := 5; FILE_SHARE_DELETE : constant := 16#00000004#; FILE_SHARE_READ : constant := 16#00000001#; FILE_SHARE_WRITE : constant := 16#00000002#; FILE_BEGIN : constant := 0; FILE_CURRENT : constant := 1; FILE_END : constant := 2; PAGE_NOACCESS : constant := 16#0001#; PAGE_READONLY : constant := 16#0002#; PAGE_READWRITE : constant := 16#0004#; PAGE_WRITECOPY : constant := 16#0008#; PAGE_EXECUTE : constant := 16#0010#; FILE_MAP_ALL_ACCESS : constant := 16#F001f#; FILE_MAP_READ : constant := 4; FILE_MAP_WRITE : constant := 2; FILE_MAP_COPY : constant := 1; FILE_ADD_FILE : constant := 16#0002#; FILE_ADD_SUBDIRECTORY : constant := 16#0004#; FILE_APPEND_DATA : constant := 16#0004#; FILE_CREATE_PIPE_INSTANCE : constant := 16#0004#; FILE_DELETE_CHILD : constant := 16#0040#; FILE_EXECUTE : constant := 16#0020#; FILE_LIST_DIRECTORY : constant := 16#0001#; FILE_READ_ATTRIBUTES : constant := 16#0080#; FILE_READ_DATA : constant := 16#0001#; FILE_READ_EA : constant := 16#0008#; FILE_TRAVERSE : constant := 16#0020#; FILE_WRITE_ATTRIBUTES : constant := 16#0100#; FILE_WRITE_DATA : constant := 16#0002#; FILE_WRITE_EA : constant := 16#0010#; STANDARD_RIGHTS_READ : constant := 16#20000#; STANDARD_RIGHTS_WRITE : constant := 16#20000#; SYNCHRONIZE : constant := 16#100000#; FILE_ATTRIBUTE_READONLY : constant := 16#00000001#; FILE_ATTRIBUTE_HIDDEN : constant := 16#00000002#; FILE_ATTRIBUTE_SYSTEM : constant := 16#00000004#; FILE_ATTRIBUTE_DIRECTORY : constant := 16#00000010#; FILE_ATTRIBUTE_ARCHIVE : constant := 16#00000020#; FILE_ATTRIBUTE_DEVICE : constant := 16#00000040#; FILE_ATTRIBUTE_NORMAL : constant := 16#00000080#; FILE_ATTRIBUTE_TEMPORARY : constant := 16#00000100#; FILE_ATTRIBUTE_SPARSE_FILE : constant := 16#00000200#; FILE_ATTRIBUTE_REPARSE_POINT : constant := 16#00000400#; FILE_ATTRIBUTE_COMPRESSED : constant := 16#00000800#; FILE_ATTRIBUTE_OFFLINE : constant := 16#00001000#; FILE_ATTRIBUTE_NOT_CONTENT_INDEXED : constant := 16#00002000#; FILE_ATTRIBUTE_ENCRYPTED : constant := 16#00004000#; FILE_ATTRIBUTE_VALID_FLAGS : constant := 16#00007fb7#; FILE_ATTRIBUTE_VALID_SET_FLAGS : constant := 16#000031a7#; type OVERLAPPED is record Internal : DWORD; InternalHigh : DWORD; Offset : DWORD; OffsetHigh : DWORD; hEvent : HANDLE; end record; type SECURITY_ATTRIBUTES is record nLength : DWORD; pSecurityDescriptor : PVOID; bInheritHandle : BOOL; end record; function CreateFileA (lpFileName : Address; dwDesiredAccess : DWORD; dwShareMode : DWORD; lpSecurityAttributes : access SECURITY_ATTRIBUTES; dwCreationDisposition : DWORD; dwFlagsAndAttributes : DWORD; hTemplateFile : HANDLE) return HANDLE; pragma Import (Stdcall, CreateFileA, "CreateFileA"); function CreateFile (lpFileName : Address; dwDesiredAccess : DWORD; dwShareMode : DWORD; lpSecurityAttributes : access SECURITY_ATTRIBUTES; dwCreationDisposition : DWORD; dwFlagsAndAttributes : DWORD; hTemplateFile : HANDLE) return HANDLE; pragma Import (Stdcall, CreateFile, "CreateFileW"); function GetFileSize (hFile : HANDLE; lpFileSizeHigh : access DWORD) return BOOL; pragma Import (Stdcall, GetFileSize, "GetFileSize"); function SetFilePointer (hFile : HANDLE; lDistanceToMove : LONG; lpDistanceToMoveHigh : access LONG; dwMoveMethod : DWORD) return DWORD; pragma Import (Stdcall, SetFilePointer, "SetFilePointer"); function WriteFile (hFile : HANDLE; lpBuffer : Address; nNumberOfBytesToWrite : DWORD; lpNumberOfBytesWritten : access DWORD; lpOverlapped : access OVERLAPPED) return BOOL; pragma Import (Stdcall, WriteFile, "WriteFile"); function ReadFile (hFile : HANDLE; lpBuffer : Address; nNumberOfBytesToRead : DWORD; lpNumberOfBytesRead : access DWORD; lpOverlapped : access OVERLAPPED) return BOOL; pragma Import (Stdcall, ReadFile, "ReadFile"); function CloseHandle (hObject : HANDLE) return BOOL; pragma Import (Stdcall, CloseHandle, "CloseHandle"); function CreateFileMapping (hFile : HANDLE; lpSecurityAttributes : access SECURITY_ATTRIBUTES; flProtect : DWORD; dwMaximumSizeHigh : DWORD; dwMaximumSizeLow : DWORD; lpName : Address) return HANDLE; pragma Import (Stdcall, CreateFileMapping, "CreateFileMappingA"); function MapViewOfFile (hFileMappingObject : HANDLE; dwDesiredAccess : DWORD; dwFileOffsetHigh : DWORD; dwFileOffsetLow : DWORD; dwNumberOfBytesToMap : DWORD) return System.Address; pragma Import (Stdcall, MapViewOfFile, "MapViewOfFile"); function UnmapViewOfFile (lpBaseAddress : System.Address) return BOOL; pragma Import (Stdcall, UnmapViewOfFile, "UnmapViewOfFile"); function MultiByteToWideChar (CodePage : WORD; dwFlags : DWORD; lpMultiByteStr : System.Address; cchMultiByte : WORD; lpWideCharStr : System.Address; cchWideChar : WORD) return WORD; pragma Import (Stdcall, MultiByteToWideChar, "MultiByteToWideChar"); ------------------------ -- System Information -- ------------------------ subtype ProcessorId is DWORD; type SYSTEM_INFO is record dwOemId : DWORD; dwPageSize : DWORD; lpMinimumApplicationAddress : PVOID; lpMaximumApplicationAddress : PVOID; dwActiveProcessorMask : DWORD; dwNumberOfProcessors : DWORD; dwProcessorType : DWORD; dwAllocationGranularity : DWORD; dwReserved : DWORD; end record; procedure GetSystemInfo (SI : access SYSTEM_INFO); pragma Import (Stdcall, GetSystemInfo, "GetSystemInfo"); --------------------- -- Time Management -- --------------------- type SYSTEMTIME is record wYear : WORD; wMonth : WORD; wDayOfWeek : WORD; wDay : WORD; wHour : WORD; wMinute : WORD; wSecond : WORD; wMilliseconds : WORD; end record; procedure GetSystemTime (pSystemTime : access SYSTEMTIME); pragma Import (Stdcall, GetSystemTime, "GetSystemTime"); procedure GetSystemTimeAsFileTime (lpFileTime : access Long_Long_Integer); pragma Import (Stdcall, GetSystemTimeAsFileTime, "GetSystemTimeAsFileTime"); function FileTimeToSystemTime (lpFileTime : access Long_Long_Integer; lpSystemTime : access SYSTEMTIME) return BOOL; pragma Import (Stdcall, FileTimeToSystemTime, "FileTimeToSystemTime"); function SystemTimeToFileTime (lpSystemTime : access SYSTEMTIME; lpFileTime : access Long_Long_Integer) return BOOL; pragma Import (Stdcall, SystemTimeToFileTime, "SystemTimeToFileTime"); function FileTimeToLocalFileTime (lpFileTime : access Long_Long_Integer; lpLocalFileTime : access Long_Long_Integer) return BOOL; pragma Import (Stdcall, FileTimeToLocalFileTime, "FileTimeToLocalFileTime"); function LocalFileTimeToFileTime (lpFileTime : access Long_Long_Integer; lpLocalFileTime : access Long_Long_Integer) return BOOL; pragma Import (Stdcall, LocalFileTimeToFileTime, "LocalFileTimeToFileTime"); procedure Sleep (dwMilliseconds : DWORD); pragma Import (Stdcall, Sleep, External_Name => "Sleep"); function QueryPerformanceCounter (lpPerformanceCount : access LARGE_INTEGER) return BOOL; pragma Import (Stdcall, QueryPerformanceCounter, "QueryPerformanceCounter"); end System.Win32;
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