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signal.h
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//
// Visopsys
// Copyright (C) 1998-2005 J. Andrew McLaughlin
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or (at
// your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
// General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// signal.h
//
// This is the Visopsys version of the standard header file signal.h
#if !defined(_SIGNAL_H)
#define SIGNALS_MAX 32
// Signal numbers. Compatible with solaris codes.
// SIGABRT: Abnormal termination, such as is initiated by the abort function
#define SIGABRT 6
// SIGFPE: An erroneous arithmetic operation, such as zero divide or an
// operation resulting in overflow
#define SIGFPE 8
// SIGILL: Detection of an invalid function image, such as an invalid
// instruction
#define SIGILL 4
// SIGINT: Receipt of an interactive attention signal
#define SIGINT 2
// SIGSEGV: An invalid access to storage
#define SIGSEGV 11
// SIGTERM: A termination request sent to the program
#define SIGTERM 15
// A type for a signal handler
typedef void (*sighandler_t)(int);
// Built-in signal handing macros.
#define SIG_DFL ((sighandler_t) 0) // Do the default action.
#define SIG_ERR ((sighandler_t) 1) // Signal handling error.
#define SIG_IGN ((sighandler_t) 2) // Ignore this signal.
// Signal handling functions
sighandler_t signal(int, sighandler_t);
#define _SIGNAL_H
#endif