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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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Disc2.iso
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vc98
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crt
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src
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excpt.h
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C/C++ Source or Header
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1998-06-17
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6KB
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233 lines
/***
*excpt.h - defines exception values, types and routines
*
* Copyright (c) 1990-1997, Microsoft Corporation. All rights reserved.
*
*Purpose:
* This file contains the definitions and prototypes for the compiler-
* dependent intrinsics, support functions and keywords which implement
* the structured exception handling extensions.
*
* [Public]
*
****/
#if _MSC_VER > 1000
#pragma once
#endif /* _MSC_VER > 1000 */
#ifndef _INC_EXCPT
#define _INC_EXCPT
#if !defined (_WIN32) && !defined (_MAC)
#error ERROR: Only Mac or Win32 targets supported!
#endif /* !defined (_WIN32) && !defined (_MAC) */
#ifndef _CRTBLD
/* This version of the header files is NOT for user programs.
* It is intended for use when building the C runtimes ONLY.
* The version intended for public use will not have this message.
*/
#error ERROR: Use of C runtime library internal header file.
#endif /* _CRTBLD */
#ifdef _MSC_VER
/*
* Currently, all MS C compilers for Win32 platforms default to 8 byte
* alignment.
*/
#pragma pack(push,8)
#endif /* _MSC_VER */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifndef _INTERNAL_IFSTRIP_
#include <cruntime.h>
#endif /* _INTERNAL_IFSTRIP_ */
/* Define _CRTIMP */
#ifndef _CRTIMP
#ifdef CRTDLL
#define _CRTIMP __declspec(dllexport)
#else /* CRTDLL */
#ifdef _DLL
#define _CRTIMP __declspec(dllimport)
#else /* _DLL */
#define _CRTIMP
#endif /* _DLL */
#endif /* CRTDLL */
#endif /* _CRTIMP */
/* Define __cdecl for non-Microsoft compilers */
#if (!defined (_MSC_VER) && !defined (__cdecl))
#define __cdecl
#endif /* (!defined (_MSC_VER) && !defined (__cdecl)) */
/* Define _CRTAPI1 (for compatibility with the NT SDK) */
#ifndef _CRTAPI1
#if _MSC_VER >= 800 && _M_IX86 >= 300
#define _CRTAPI1 __cdecl
#else /* _MSC_VER >= 800 && _M_IX86 >= 300 */
#define _CRTAPI1
#endif /* _MSC_VER >= 800 && _M_IX86 >= 300 */
#endif /* _CRTAPI1 */
/*
* Exception disposition return values.
*/
typedef enum _EXCEPTION_DISPOSITION {
ExceptionContinueExecution,
ExceptionContinueSearch,
ExceptionNestedException,
ExceptionCollidedUnwind
} EXCEPTION_DISPOSITION;
/*
* Prototype for SEH support function.
*/
#ifdef _M_IX86
/*
* Declarations to keep MS C 8 (386/486) compiler happy
*/
struct _EXCEPTION_RECORD;
struct _CONTEXT;
EXCEPTION_DISPOSITION __cdecl _except_handler (
struct _EXCEPTION_RECORD *ExceptionRecord,
void * EstablisherFrame,
struct _CONTEXT *ContextRecord,
void * DispatcherContext
);
#elif defined (_M_MRX000) || defined (_M_ALPHA) || defined (_M_PPC)
/*
* Declarations to keep MIPS, ALPHA, and PPC compiler happy
*/
typedef struct _EXCEPTION_POINTERS *Exception_info_ptr;
struct _EXCEPTION_RECORD;
struct _CONTEXT;
struct _DISPATCHER_CONTEXT;
_CRTIMP EXCEPTION_DISPOSITION __C_specific_handler (
struct _EXCEPTION_RECORD *ExceptionRecord,
void *EstablisherFrame,
struct _CONTEXT *ContextRecord,
struct _DISPATCHER_CONTEXT *DispatcherContext
);
#endif /* defined (_M_MRX000) || defined (_M_ALPHA) || defined (_M_PPC) */
/*
* Keywords and intrinsics for SEH
*/
#ifdef _MSC_VER
#define GetExceptionCode _exception_code
#define exception_code _exception_code
#define GetExceptionInformation (struct _EXCEPTION_POINTERS *)_exception_info
#define exception_info (struct _EXCEPTION_POINTERS *)_exception_info
#define AbnormalTermination _abnormal_termination
#define abnormal_termination _abnormal_termination
unsigned long __cdecl _exception_code(void);
void * __cdecl _exception_info(void);
int __cdecl _abnormal_termination(void);
#endif /* _MSC_VER */
/*
* Legal values for expression in except().
*/
#define EXCEPTION_EXECUTE_HANDLER 1
#define EXCEPTION_CONTINUE_SEARCH 0
#define EXCEPTION_CONTINUE_EXECUTION -1
#ifndef _INTERNAL_IFSTRIP_
/*
* for convenience, define a type name for a pointer to signal-handler
*/
typedef void (__cdecl * _PHNDLR)(int);
/*
* Exception-action table used by the C runtime to identify and dispose of
* exceptions corresponding to C runtime errors or C signals.
*/
struct _XCPT_ACTION {
/*
* exception code or number. defined by the host OS.
*/
unsigned long XcptNum;
/*
* signal code or number. defined by the C runtime.
*/
int SigNum;
/*
* exception action code. either a special code or the address of
* a handler function. always determines how the exception filter
* should dispose of the exception.
*/
_PHNDLR XcptAction;
};
extern struct _XCPT_ACTION _XcptActTab[];
/*
* number of entries in the exception-action table
*/
extern int _XcptActTabCount;
/*
* size of exception-action table (in bytes)
*/
extern int _XcptActTabSize;
/*
* index of the first floating point exception entry
*/
extern int _First_FPE_Indx;
/*
* number of FPE entries
*/
extern int _Num_FPE;
/*
* return values and prototype for the exception filter function used in the
* C startup
*/
int __cdecl _XcptFilter(unsigned long, struct _EXCEPTION_POINTERS *);
#endif /* _INTERNAL_IFSTRIP_ */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* _INC_EXCPT */