cOSHandle.h File Reference

#include "HResult.h"
#include "cTimeSys.h"
#include "cNonCopyable.h"
#include "cUnitTestDecl.h"
#include "cDebugAssert.h"

Go to the source code of this file.

Classes
class	Gray::cOSHandle

Namespaces
	Gray
	< The main namespace for all Core functions.

Macros
#define	HANDLE_NULL   NULL
	Invalid OS handle for _WIN32. Not invalid OS handle for linux. More...
#define	WINHANDLE_NULL   NULL
	HWND, HPEN, etc are NOT OS Handles. like HWND_DESKTOP. like HANDLEPTR_NULL. This is a WINAPI void* handle via DECLARE_HANDLE like HWND, HPEN, HINSTANCE, etc. can't call CloseHandle() on it. More...

Typedefs
typedef LONG_PTR	Gray::STREAM_OFFSET_t
	Might be 64 or 32 bit. TODO SET USE_FILE_POS64. More...
typedef LONG_PTR	Gray::STREAM_SEEKRET_t
	return from Seek() More...
typedef ULONG_PTR	Gray::STREAM_POS_t
	NOT same as FILE_SIZE_t in 32 bit. Why not ? More...

Enumerations
enum	Gray::SEEK_ORIGIN_TYPE { Gray::SEEK_Set = 0 , Gray::SEEK_Cur = 1 , Gray::SEEK_End = 2 , Gray::SEEK_MASK = 0x0007 }

Detailed Description

Wrap the OS kernel handle (scoped auto-close). for _WIN32 or linux.

Copyright

1992 - 2020 Dennis Robinson (http://www.menasoft.com)

Macro Definition Documentation

HANDLE_NULL

#define HANDLE_NULL   NULL

Invalid OS handle for _WIN32. Not invalid OS handle for linux.

WINHANDLE_NULL

#define WINHANDLE_NULL   NULL

HWND, HPEN, etc are NOT OS Handles. like HWND_DESKTOP. like HANDLEPTR_NULL. This is a WINAPI void* handle via DECLARE_HANDLE like HWND, HPEN, HINSTANCE, etc. can't call CloseHandle() on it.