C标准库源代码

				/***
				*signal.h - defines signal values and routines
				*
				*       Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved.
				*
				*Purpose:
				*       This file defines the signal values and declares the signal functions.
				*       [ANSI/System V]
				*
				*       [Public]
				*
				****/
				
				#if _MSC_VER > 1000
				#pragma once
				#endif  /* _MSC_VER > 1000 */
				
				#ifndef _INC_SIGNAL
				#define _INC_SIGNAL
				
				#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 __cplusplus
				extern "C" {
				#endif  /* __cplusplus */
				
				#ifndef _INTERNAL_IFSTRIP_
				#include 
				#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 */
				
				#ifndef _SIG_ATOMIC_T_DEFINED
				typedef int sig_atomic_t;
				#define _SIG_ATOMIC_T_DEFINED
				#endif  /* _SIG_ATOMIC_T_DEFINED */
				
				#define NSIG 23     /* maximum signal number + 1 */
				
				
				/* Signal types */
				
				#define SIGINT          2       /* interrupt */
				#define SIGILL          4       /* illegal instruction - invalid function image */
				#define SIGFPE          8       /* floating point exception */
				#define SIGSEGV         11      /* segment violation */
				#define SIGTERM         15      /* Software termination signal from kill */
				#define SIGBREAK        21      /* Ctrl-Break sequence */
				#define SIGABRT         22      /* abnormal termination triggered by abort call */
				
				
				/* signal action codes */
				
				#define SIG_DFL (void (__cdecl *)(int))0           /* default signal action */
				#define SIG_IGN (void (__cdecl *)(int))1           /* ignore signal */
				#define SIG_SGE (void (__cdecl *)(int))3           /* signal gets error */
				#define SIG_ACK (void (__cdecl *)(int))4           /* acknowledge */
				
				#ifndef _INTERNAL_IFSTRIP_
				/* internal use only! not valid as an argument to signal() */
				
				#define SIG_GET (void (__cdecl *)(int))2           /* accept signal */
				#define SIG_DIE (void (__cdecl *)(int))5           /* terminate process */
				#endif  /* _INTERNAL_IFSTRIP_ */
				
				/* signal error value (returned by signal call on error) */
				
				#define SIG_ERR (void (__cdecl *)(int))-1          /* signal error value */
				
				
				/* pointer to exception information pointers structure */
				
				#if defined (_MT) || defined (_DLL)
				extern void * * __cdecl __pxcptinfoptrs(void);
				#define _pxcptinfoptrs  (*__pxcptinfoptrs())
				#else  /* defined (_MT) || defined (_DLL) */
				extern void * _pxcptinfoptrs;
				#endif  /* defined (_MT) || defined (_DLL) */
				
				
				/* Function prototypes */
				
				_CRTIMP void (__cdecl * __cdecl signal(int, void (__cdecl *)(int)))(int);
				_CRTIMP int __cdecl raise(int);
				
				
				#ifdef __cplusplus
				}
				#endif  /* __cplusplus */
				
				#endif  /* _INC_SIGNAL */