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/* Copyright 1994-1995 The Santa Cruz Operation, Inc. All Rights Reserved. */
#if defined(_NO_PROTOTYPE) /* Old, crufty environment */
#include <sys/oldstyle/signal.h>
#elif defined(_XOPEN_SOURCE) || defined(_XPG4_VERS) /* Xpg4 environment */
#include <xpg4/signal.h>
#elif defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) /* Posix environment */
#include <sys/posix/__signal.h>
#elif _STRICT_ANSI /* Pure Ansi/ISO environment */
#include <sys/ansi/signal.h>
#elif defined(_SCO_ODS_30) /* Old, Tbird compatible environment */
#include <sys/ods_30_compat/signal.h>
#else /* Normal, default environment */
/*
* Portions Copyright (C) 1983-1995 The Santa Cruz Operation, Inc.
* All Rights Reserved.
*
* The information in this file is provided for the exclusive use of
* the licensees of The Santa Cruz Operation, Inc. Such users have the
* right to use, modify, and incorporate this code into other products
* for purposes authorized by the license agreement provided they include
* this notice and the associated copyright notice with any such product.
* The information in this file is provided "AS IS" without warranty.
*/
/* Portions Copyright (c) 1990, 1991, 1992, 1993 UNIX System Laboratories, Inc. */
/* Portions Copyright (c) 1979 - 1990 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF */
/* UNIX System Laboratories, Inc. */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
#ifndef ___SIGNAL_H
#define ___SIGNAL_H
#pragma comment(exestr, "xpg4plus @(#) signal.h 20.3 94/12/19 ")
#ifndef _SIG_ATOMIC_T
#define _SIG_ATOMIC_T
/* atomic entity for signal handling */
typedef int sig_atomic_t;
#endif
extern const char * const _sys_siglist[];
extern const int _sys_nsig;
#ifndef _SYS_SIGNAL_H
#include <sys/signal.h>
#endif
#define SignalBad ((SignalHandler)-1)
#define SignalDefault ((SignalHandler)0)
#define SignalIgnore ((SignalHandler)1)
#define __sigmask(sig) (1 << ((sig) - 1))
#define __SIGEMPTYSET (~SIGALL)
#define __SIGFILLSET SIGALL
#define __SIGADDSET(s,n) ((*s) |= (__sigmask(n)))
#define __SIGDELSET(s,n) ((*s) &= ~(__sigmask(n)))
#define __SIGISMEMBER(s,n) ((*s) & (__sigmask(n)))
#if !defined(_SYS_TYPES_H)
#include <sys/types.h>
#endif
#if __cplusplus
extern "C" {
#endif
extern void (*signal(int, void(*)(int)))(int);
extern int raise(int);
extern void (*bsd_signal(int, void(*)(int)))(int);
extern int ( *ssignal( int, int(*)(int) ) )(int);
extern void ( *sigset( int, void(*)(int) ) )(int);
extern int killpg(pid_t, int);
#ifdef SS_ONSTACK /* Not defined on old versions of the OS */
extern int sigaltstack(const stack_t *, stack_t *);
extern int sigstack(struct sigstack *, struct sigstack *);
#endif
extern int sighold(int);
extern int sigignore(int);
extern int siginterrupt(int, int);
extern int sigpause(int);
extern int sigrelse(int);
extern int (sigfillset)(sigset_t *);
extern int (sigemptyset)(sigset_t *);
extern int (sigaddset)(sigset_t *, int);
extern int (sigdelset)(sigset_t *, int);
extern int (sigismember)(const sigset_t *, int);
extern int sigpending(sigset_t *);
extern int sigsuspend(const sigset_t *);
extern int sigprocmask(int, const sigset_t *, sigset_t *);
extern int kill(pid_t, int);
extern int sigaction(int, const struct sigaction *, struct sigaction *);
#if __cplusplus
};
#endif
#endif /* ___SIGNAL_H */
#endif
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