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- /* Signal number definitions. System V version.
- Copyright (C) 1991, 1992, 1993 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., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #ifdef _SIGNAL_H
-
- /* This file defines the fake signal functions and signal
- number constants for System V release 3. */
-
- /* 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. */
-
-
- /* 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 SIGUSR1 16 /* User-defined signal 1 (POSIX). */
- #define SIGUSR2 17 /* User-defined signal 2 (POSIX). */
- #define SIGCHLD 18 /* Child status has changed (POSIX). */
- #define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
- #define SIGPWR 19 /* Power failure restart (System V). */
-
- #endif /* <signal.h> included. */
-
- #define _NSIG 20 /* Biggest signal number + 1. */
-