| /* 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #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. */ |
