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/* Copyright (C) 1991, 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 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.
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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifdef _SIGNAL_H
/* 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 in the 1-15 range are defined with their historical numbers.
Signals in the 20-25 range are relatively new and have no ingrained
numbers. */
/* ANSI signals. */
#define SIGINT 2 /* Interactive attention signal. */
#define SIGILL 4 /* Illegal instruction. */
#define SIGABRT 6 /* Abnormal termination. */
#define SIGFPE 8 /* Erroneous arithmetic operation. */
#define SIGSEGV 11 /* Invalid access to storage. */
#define SIGTERM 15 /* Termination request. */
/* Historical signals specified by POSIX. */
#define SIGHUP 1 /* Hangup. */
#define SIGQUIT 3 /* Quit. */
#define SIGKILL 9 /* Kill (cannot be blocked, caught, or ignored). */
#define SIGPIPE 13 /* Broken pipe. */
#define SIGALRM 14 /* Alarm clock. */
/* New(er) POSIX signals. */
#define SIGSTOP 20 /* Stop (cannot be blocked, caught, or ignored). */
#define SIGCONT 21 /* Continue. */
#define SIGTSTP 22 /* Keyboard stop. */
#define SIGTTIN 23 /* Background read from control terminal. */
#define SIGTTOU 24 /* Background write to control terminal. */
#define SIGCHLD 25 /* Child terminated or stopped. */
#define _NSIG 26
/* Archaic names for compatibility. */
#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP11 */
#define SIGCLD SIGCHLD /* Old System V name */
#endif /* <signal.h> included. */
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