72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
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/***
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*signal.h - defines signal values and routines
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*
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* Copyright (c) 1985-1990, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file defines the signal values and declares the signal functions.
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* [ANSI/System V]
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*
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****/
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#if defined(_DLL) && !defined(_MT)
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#error Cannot define _DLL without _MT
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#endif
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#ifdef _MT
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#define _FAR_ _far
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#else
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#define _FAR_
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#endif
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#ifdef _DLL
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#define _LOADDS_ _loadds
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#else
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#define _LOADDS_
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#endif
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#ifndef _SIG_ATOMIC_T_DEFINED
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typedef int sig_atomic_t;
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#define _SIG_ATOMIC_T_DEFINED
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#endif
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#define NSIG 23 /* maximum signal number + 1 */
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/* signal types */
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/* SIGINT, SIGFPE, SIGILL, SIGSEGV, and SIGABRT are recognized on DOS 3.x */
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#define SIGINT 2 /* interrupt - corresponds to DOS 3.x int 23H */
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#define SIGILL 4 /* illegal instruction - invalid function image */
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#define SIGFPE 8 /* floating point exception */
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#define SIGSEGV 11 /* segment violation */
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#define SIGTERM 15 /* Software termination signal from kill */
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#define SIGUSR1 16 /* User defined signal 1 */
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#define SIGUSR2 17 /* User defined signal 2 */
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#define SIGUSR3 20 /* User defined signal 3 */
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#define SIGBREAK 21 /* Ctrl-Break sequence */
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#define SIGABRT 22 /* abnormal termination triggered by abort call */
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/* signal action codes */
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/* SIG_DFL and SIG_IGN are recognized on DOS 3.x */
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#define SIG_DFL (void (_FAR_ _cdecl _LOADDS_ *)())0 /* default signal action */
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#define SIG_IGN (void (_FAR_ _cdecl _LOADDS_ *)())1 /* ignore */
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#define SIG_SGE (void (_FAR_ _cdecl _LOADDS_ *)())3 /* signal gets error */
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#define SIG_ACK (void (_FAR_ _cdecl _LOADDS_ *)())4 /* error if handler not setup */
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/* signal error value (returned by signal call on error) */
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#define SIG_ERR (void (_FAR_ _cdecl _LOADDS_ *)())-1 /* signal error value */
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/* function prototypes */
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void (_FAR_ _cdecl _LOADDS_ * _FAR_ _cdecl signal(int,
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void (_FAR_ _cdecl _LOADDS_ *)()))();
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#ifndef _MT
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int _FAR_ _cdecl raise(int);
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#endif
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