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added some Win32 file memory mapping functions #16887

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added some Win32 file memory mapping functions #16887

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6 changes: 6 additions & 0 deletions lib/std/os/windows.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -3088,6 +3088,12 @@ pub const FILE_SHARE_DELETE = 0x00000004;
pub const FILE_SHARE_READ = 0x00000001;
pub const FILE_SHARE_WRITE = 0x00000002;

pub const FILE_MAP_READ = SECTION_MAP_READ;
pub const FILE_MAP_WRITE = SECTION_MAP_WRITE;
pub const FILE_MAP_EXECUTE = SECTION_MAP_EXECUTE;
pub const FILE_MAP_LARGE_PAGES = 0x20000000;
pub const FILE_MAP_TARGETS_INVALID = 0x40000000;

pub const DELETE = 0x00010000;
pub const READ_CONTROL = 0x00020000;
pub const WRITE_DAC = 0x00040000;
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13 changes: 13 additions & 0 deletions lib/std/os/windows/kernel32.zig
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Expand Up @@ -97,6 +97,15 @@ pub extern "kernel32" fn CreateFileW(
hTemplateFile: ?HANDLE,
) callconv(WINAPI) HANDLE;

pub extern "kernel32" fn CreateFileMappingA(
hFile: HANDLE,
lpFileMappingAttributes: ?*SECURITY_ATTRIBUTES,
flProtect: DWORD,
dwMaximumSizeHigh: DWORD,
dwMaximumSizeLow: DWORD,
lpName: ?[*:0]const u8,
) callconv(WINAPI) ?HANDLE;

pub extern "kernel32" fn CreatePipe(
hReadPipe: *HANDLE,
hWritePipe: *HANDLE,
Expand Down Expand Up @@ -264,6 +273,10 @@ pub extern "kernel32" fn VirtualQuery(lpAddress: ?LPVOID, lpBuffer: PMEMORY_BASI

pub extern "kernel32" fn LocalFree(hMem: HLOCAL) callconv(WINAPI) ?HLOCAL;

pub extern "kernel32" fn MapViewOfFile(hFileMappingObject: HANDLE, dwDesiredAccess: DWORD, dwFileOffsetHigh: DWORD, dwFileOffsetLow: DWORD, dwNumberOfBytesToMap: SIZE_T) callconv(WINAPI) ?LPVOID;
pub extern "kernel32" fn UnmapViewOfFile(lpBaseAddress: *const anyopaque) BOOL;


pub extern "kernel32" fn Module32First(hSnapshot: HANDLE, lpme: *MODULEENTRY32) callconv(WINAPI) BOOL;

pub extern "kernel32" fn Module32Next(hSnapshot: HANDLE, lpme: *MODULEENTRY32) callconv(WINAPI) BOOL;
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