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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) 2008-2022, 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.Win32.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 System.OS_Primitives.Clock, mingw and rtx versions.)
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 ULONG is new Interfaces.C.unsigned_long;
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 SIZE_T is new Interfaces.C.size_t;
type DWORD_PTR is mod 2 ** Standard'Address_Size;
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;
-- Note that the following clashes with standard names are to stay
-- compatible with the historical choice of following the C names.
pragma Warnings (Off);
FALSE : constant := 0;
TRUE : constant := 1;
pragma Warnings (On);
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#;
GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS : constant := 16#00000004#;
type OVERLAPPED is record
Internal : access ULONG;
InternalHigh : access ULONG;
Offset : DWORD;
OffsetHigh : DWORD;
hEvent : HANDLE;
end record;
pragma Convention (C_Pass_By_Copy, OVERLAPPED);
type SECURITY_ATTRIBUTES is record
nLength : DWORD;
pSecurityDescriptor : PVOID;
bInheritHandle : BOOL;
end record;
pragma Convention (C_Pass_By_Copy, SECURITY_ATTRIBUTES);
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 : SIZE_T) 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_PTR;
dwNumberOfProcessors : DWORD;
dwProcessorType : DWORD;
dwAllocationGranularity : DWORD;
dwReserved : DWORD;
end record;
pragma Convention (C_Pass_By_Copy, SYSTEM_INFO);
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;
pragma Convention (C_Pass_By_Copy, SYSTEMTIME);
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");
------------
-- Module --
------------
function GetModuleHandleEx
(dwFlags : DWORD;
lpModuleName : Address;
phModule : access HANDLE) return BOOL;
pragma Import (Stdcall, GetModuleHandleEx, "GetModuleHandleExA");
function GetModuleFileName
(hModule : HANDLE;
lpFilename : Address;
nSize : DWORD) return DWORD;
pragma Import (Stdcall, GetModuleFileName, "GetModuleFileNameA");
function FreeLibrary (hModule : HANDLE) return BOOL;
pragma Import (Stdcall, FreeLibrary, "FreeLibrary");
end System.Win32;
|
