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- /***
- *signal.h - defines signal values and routines
- *
- * Copyright (c) 1985-1990, Microsoft Corporation. All rights reserved.
- *
- *Purpose:
- * This file defines the signal values and declares the signal functions.
- * [ANSI/System V]
- *
- ****/
-
- #if defined(_DLL) && !defined(_MT)
- #error Cannot define _DLL without _MT
- #endif
-
- #ifdef _MT
- #define _FAR_ _far
- #else
- #define _FAR_
- #endif
-
- #ifdef _DLL
- #define _LOADDS_ _loadds
- #else
- #define _LOADDS_
- #endif
-
- #ifndef _SIG_ATOMIC_T_DEFINED
- typedef int sig_atomic_t;
- #define _SIG_ATOMIC_T_DEFINED
- #endif
-
-
- #define NSIG 23 /* maximum signal number + 1 */
-
- /* signal types */
- /* SIGINT, SIGFPE, SIGILL, SIGSEGV, and SIGABRT are recognized on DOS 3.x */
-
- #define SIGINT 2 /* interrupt - corresponds to DOS 3.x int 23H */
- #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 SIGUSR1 16 /* User defined signal 1 */
- #define SIGUSR2 17 /* User defined signal 2 */
- #define SIGUSR3 20 /* User defined signal 3 */
- #define SIGBREAK 21 /* Ctrl-Break sequence */
- #define SIGABRT 22 /* abnormal termination triggered by abort call */
-
-
- /* signal action codes */
- /* SIG_DFL and SIG_IGN are recognized on DOS 3.x */
-
- #define SIG_DFL (void (_FAR_ _cdecl _LOADDS_ *)())0 /* default signal action */
- #define SIG_IGN (void (_FAR_ _cdecl _LOADDS_ *)())1 /* ignore */
- #define SIG_SGE (void (_FAR_ _cdecl _LOADDS_ *)())3 /* signal gets error */
- #define SIG_ACK (void (_FAR_ _cdecl _LOADDS_ *)())4 /* error if handler not setup */
-
-
- /* signal error value (returned by signal call on error) */
-
- #define SIG_ERR (void (_FAR_ _cdecl _LOADDS_ *)())-1 /* signal error value */
-
-
- /* function prototypes */
-
- void (_FAR_ _cdecl _LOADDS_ * _FAR_ _cdecl signal(int,
- void (_FAR_ _cdecl _LOADDS_ *)()))();
- #ifndef _MT
- int _FAR_ _cdecl raise(int);
- #endif
-