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28f540f4 1/* Signal number definitions. SVR4 version.
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2 Copyright (C) 1994, 1996 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
28f540f4 4
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5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
28f540f4 9
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10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
28f540f4 14
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15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
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19
20#ifdef _SIGNAL_H
21
22/* Fake signal functions. */
23#define SIG_ERR ((__sighandler_t) -1) /* Error return. */
24#define SIG_DFL ((__sighandler_t) 0) /* Default action. */
25#define SIG_IGN ((__sighandler_t) 1) /* Ignore signal. */
26
27
28/* Signals. */
29#define SIGHUP 1 /* Hangup (POSIX). */
30#define SIGINT 2 /* Interrupt (ANSI). */
31#define SIGQUIT 3 /* Quit (POSIX). */
32#define SIGILL 4 /* Illegal instruction (ANSI). */
33#define SIGABRT SIGIOT /* Abort (ANSI). */
34#define SIGTRAP 5 /* Trace trap (POSIX). */
35#define SIGIOT 6 /* IOT trap (4.2 BSD). */
36#define SIGEMT 7 /* EMT trap (4.2 BSD). */
37#define SIGFPE 8 /* Floating-point exception (ANSI). */
38#define SIGKILL 9 /* Kill, unblockable (POSIX). */
39#define SIGBUS 10 /* Bus error (4.2 BSD). */
40#define SIGSEGV 11 /* Segmentation violation (ANSI). */
41#define SIGSYS 12 /* Bad argument to system call (4.2 BSD)*/
42#define SIGPIPE 13 /* Broken pipe (POSIX). */
43#define SIGALRM 14 /* Alarm clock (POSIX). */
44#define SIGTERM 15 /* Termination (ANSI). */
45#define SIGUSR1 16 /* User-defined signal 1 (POSIX). */
46#define SIGUSR2 17 /* User-defined signal 2 (POSIX). */
47#define SIGCHLD 18 /* Child status has changed (POSIX). */
48#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
49#define SIGPWR 19 /* Power failure restart (System V). */
50#define SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */
51#define SIGURG 21 /* Urgent condition on socket (4.2 BSD).*/
52#define SIGPOLL 22 /* Pollable event occurred (System V). */
53#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
54#define SIGSTOP 23 /* Stop, unblockable (POSIX). */
55#define SIGTSTP 24 /* Keyboard stop (POSIX). */
56#define SIGCONT 25 /* Continue (POSIX). */
57#define SIGTTIN 26 /* Background read from tty (POSIX). */
58#define SIGTTOU 27 /* Background write to tty (POSIX). */
59#define SIGVTALRM 28 /* Virtual alarm clock (4.2 BSD). */
60#define SIGPROF 29 /* Profiling alarm clock (4.2 BSD). */
61#define SIGXCPU 30 /* CPU limit exceeded (4.2 BSD). */
62#define SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */
63
64#endif /* <signal.h> included. */
65
66#define _NSIG 32 /* Biggest signal number + 1. */