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/* Signal number definitions. BSD version.
Copyright (C) 1991, 1992, 1993, 1996, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifdef _SIGNAL_H
/* This file defines the fake signal functions and signal
number constants for 4.2 or 4.3 BSD-derived Unix system. */
/* Fake signal functions. */
#define SIG_ERR ((__sighandler_t) -1) /* Error return. */
#define SIG_DFL ((__sighandler_t) 0) /* Default action. */
#define SIG_IGN ((__sighandler_t) 1) /* Ignore signal. */
#ifdef __USE_UNIX98
# define SIG_HOLD ((__sighandler_t) 2) /* Add signal to hold mask. */
#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 SIGINFO 29 /* Information request (4.4 BSD). */
#define SIGUSR1 30 /* User-defined signal 1 (POSIX). */
#define SIGUSR2 31 /* User-defined signal 2 (POSIX). */
#define SIGLOST 32 /* Resource lost (Sun); server died (GNU). */
#endif /* <signal.h> included. */
#define _NSIG 33 /* Biggest signal number + 1. */
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