1/* Signal number definitions. Linux version.
2 Copyright (C) 1995-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
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 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#ifdef _SIGNAL_H
20
21/* Fake signal functions. */
22#define SIG_ERR ((__sighandler_t) -1) /* Error return. */
23#define SIG_DFL ((__sighandler_t) 0) /* Default action. */
24#define SIG_IGN ((__sighandler_t) 1) /* Ignore signal. */
25
26#ifdef __USE_UNIX98
27# define SIG_HOLD ((__sighandler_t) 2) /* Add signal to hold mask. */
28#endif
29
30
31/* Signals. */
32#define SIGHUP 1 /* Hangup (POSIX). */
33#define SIGINT 2 /* Interrupt (ANSI). */
34#define SIGQUIT 3 /* Quit (POSIX). */
35#define SIGILL 4 /* Illegal instruction (ANSI). */
36#define SIGTRAP 5 /* Trace trap (POSIX). */
37#define SIGABRT 6 /* Abort (ANSI). */
38#define SIGIOT 6 /* IOT trap (4.2 BSD). */
39#define SIGBUS 7 /* BUS error (4.2 BSD). */
40#define SIGFPE 8 /* Floating-point exception (ANSI). */
41#define SIGKILL 9 /* Kill, unblockable (POSIX). */
42#define SIGUSR1 10 /* User-defined signal 1 (POSIX). */
43#define SIGSEGV 11 /* Segmentation violation (ANSI). */
44#define SIGUSR2 12 /* User-defined signal 2 (POSIX). */
45#define SIGPIPE 13 /* Broken pipe (POSIX). */
46#define SIGALRM 14 /* Alarm clock (POSIX). */
47#define SIGTERM 15 /* Termination (ANSI). */
48#define SIGSTKFLT 16 /* Stack fault. */
49#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
50#define SIGCHLD 17 /* Child status has changed (POSIX). */
51#define SIGCONT 18 /* Continue (POSIX). */
52#define SIGSTOP 19 /* Stop, unblockable (POSIX). */
53#define SIGTSTP 20 /* Keyboard stop (POSIX). */
54#define SIGTTIN 21 /* Background read from tty (POSIX). */
55#define SIGTTOU 22 /* Background write to tty (POSIX). */
56#define SIGURG 23 /* Urgent condition on socket (4.2 BSD). */
57#define SIGXCPU 24 /* CPU limit exceeded (4.2 BSD). */
58#define SIGXFSZ 25 /* File size limit exceeded (4.2 BSD). */
59#define SIGVTALRM 26 /* Virtual alarm clock (4.2 BSD). */
60#define SIGPROF 27 /* Profiling alarm clock (4.2 BSD). */
61#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
62#define SIGPOLL SIGIO /* Pollable event occurred (System V). */
63#define SIGIO 29 /* I/O now possible (4.2 BSD). */
64#define SIGPWR 30 /* Power failure restart (System V). */
65#define SIGSYS 31 /* Bad system call. */
66#define SIGUNUSED 31
67
68#define _NSIG 65 /* Biggest signal number + 1
69 (including real-time signals). */
70
71#define SIGRTMIN (__libc_current_sigrtmin ())
72#define SIGRTMAX (__libc_current_sigrtmax ())
73
74/* These are the hard limits of the kernel. These values should not be
75 used directly at user level. */
76#define __SIGRTMIN 32
77#define __SIGRTMAX (_NSIG - 1)
78
79#endif /* <signal.h> included. */
80