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/* This is file signal.h */
/* This file may have been modified by DJ Delorie (Jan 1991). If so,
** these modifications are Coyright (C) 1991 DJ Delorie, 24 Kirsten Ave,
** Rochester NH, 03867-2954, USA.
*/
/* This may look like C code, but it is really -*- C++ -*- */
/*
Copyright (C) 1989 Free Software Foundation
written by Doug Lea (dl@rocky.oswego.edu)
This file is part of GNU CC.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY. No author or distributor
accepts responsibility to anyone for the consequences of using it
or for whether it serves any particular purpose or works at all,
unless he says so in writing. Refer to the GNU CC General Public
License for full details.
Everyone is granted permission to copy, modify and redistribute
GNU CC, but only under the conditions described in the
GNU CC General Public License. A copy of this license is
supposed to have been given to you along with GNU CC so you
can know your rights and responsibilities. It should be in a
file named COPYING. Among other things, the copyright notice
and this notice must be preserved on all copies.
*/
#ifndef _signal_h
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
/* This #define KERNEL hack gets around bad function prototypes on most */
/* systems. If not, you need to do some real work... */
/*******************
* #define KERNEL
* #include <sys/signal.h>
* #undef KERNEL
********************/
#ifndef _signal_h
#define _signal_h 1
#endif
/* The Interviews folks call this SignalHandler. Might as well conform. */
/* Beware: some systems think that SignalHandler returns int. */
typedef void (*SignalHandler) ();
extern SignalHandler signal(int sig, SignalHandler action);
extern SignalHandler sigset(int sig, SignalHandler action);
extern SignalHandler ssignal(int sig, SignalHandler action);
extern int gsignal (int sig);
extern int kill (int pid, int sig);
#ifndef hpux /* Interviews folks claim that hpux doesn't like these */
struct sigvec;
extern int sigsetmask(int mask);
extern int sigblock(int mask);
extern int sigpause(int mask);
extern int sigvec(int sig, struct sigvec* v, struct sigvec* prev);
#endif
/* The Interviews version also has these ... */
#define SignalBad ((SignalHandler)-1)
#define SignalDefault ((SignalHandler)0)
#define SignalIgnore ((SignalHandler)1)
#ifdef __cplusplus
}
#endif
#define _SIGNAL_H
/** #include <signum.h> **/
#ifdef _SIGNAL_H
/* This file defines the fake signal functions and signal
number constants for 4.2 or 4.3 BSD-derived Unix system. */
#define SIG_DFL 0
#if 0
/*#ifndef SIG_DFL*/
/* Fake signal functions.
These lines MUST be split! m4 will not change them otherwise. */
#define SIG_ERR /* Error return. */ \
((void EXFUN((*), (int sig))) -1)
#define SIG_DFL /* Default action. */ \
((void EXFUN((*), (int sig))) 0)
#define SIG_IGN /* Ignore signal. */ \
((void EXFUN((*), (int sig))) 1)
#endif
/* Signals. */
#define SIGHUP 1 /* Hangup (POSIX). */
#define SIGINT 2 /* Interrupt (ANSI). */
#define SIGQUIT 3 /* Quit (POSIX). */
#define SIGILL 4 /* Illegal instruction (ANSI). */
#define SIGABRT SIGIOT /* Abort (ANSI). */
#define SIGTRAP 5 /* Trace trap (POSIX). */
#define SIGIOT 6 /* IOT trap (4.2 BSD). */
#define SIGEMT 7 /* EMT trap (4.2 BSD). */
#define SIGFPE 8 /* Floating-point exception (ANSI). */
#define SIGKILL 9 /* Kill, unblockable (POSIX). */
#define SIGBUS 10 /* Bus error (4.2 BSD). */
#define SIGSEGV 11 /* Segmentation violation (ANSI). */
#define SIGSYS 12 /* Bad argument to system call (4.2 BSD)*/
#define SIGPIPE 13 /* Broken pipe (POSIX). */
#define SIGALRM 14 /* Alarm clock (POSIX). */
#define SIGTERM 15 /* Termination (ANSI). */
#define SIGURG 16 /* Urgent condition on socket (4.2 BSD).*/
#define SIGSTOP 17 /* Stop, unblockable (POSIX). */
#define SIGTSTP 18 /* Keyboard stop (POSIX). */
#define SIGCONT 19 /* Continue (POSIX). */
#define SIGCHLD 20 /* Child status has changed (POSIX). */
#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
#define SIGTTIN 21 /* Background read from tty (POSIX). */
#define SIGTTOU 22 /* Background write to tty (POSIX). */
#define SIGIO 23 /* I/O now possible (4.2 BSD). */
#define SIGPOLL SIGIO /* Same as SIGIO? (SVID). */
#define SIGXCPU 24 /* CPU limit exceeded (4.2 BSD). */
#define SIGXFSZ 25 /* File size limit exceeded (4.2 BSD). */
#define SIGVTALRM 26 /* Virtual alarm clock (4.2 BSD). */
#define SIGPROF 27 /* Profiling alarm clock (4.2 BSD). */
#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
#define SIGUSR1 30 /* User-defined signal 1 (POSIX). */
#define SIGUSR2 31 /* User-defined signal 2 (POSIX). */
#endif /* <signal.h> included. */
#define _NSIG 32 /* Biggest signal number + 1. */
#endif
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