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28f540f4 | 1 | /* Signal number definitions. BSD version. |
b168057a | 2 | Copyright (C) 1991-2015 Free Software Foundation, Inc. |
54d79e99 | 3 | This file is part of the GNU C Library. |
28f540f4 | 4 | |
54d79e99 | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 9 | |
54d79e99 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
28f540f4 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 RM |
18 | |
19 | #ifdef _SIGNAL_H | |
20 | ||
21 | /* This file defines the fake signal functions and signal | |
22 | number constants for 4.2 or 4.3 BSD-derived Unix system. */ | |
23 | ||
24 | /* Fake signal functions. */ | |
25 | #define SIG_ERR ((__sighandler_t) -1) /* Error return. */ | |
26 | #define SIG_DFL ((__sighandler_t) 0) /* Default action. */ | |
27 | #define SIG_IGN ((__sighandler_t) 1) /* Ignore signal. */ | |
28 | ||
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29 | #ifdef __USE_UNIX98 |
30 | # define SIG_HOLD ((__sighandler_t) 2) /* Add signal to hold mask. */ | |
31 | #endif | |
32 | ||
28f540f4 RM |
33 | |
34 | /* Signals. */ | |
35 | #define SIGHUP 1 /* Hangup (POSIX). */ | |
36 | #define SIGINT 2 /* Interrupt (ANSI). */ | |
37 | #define SIGQUIT 3 /* Quit (POSIX). */ | |
38 | #define SIGILL 4 /* Illegal instruction (ANSI). */ | |
39 | #define SIGABRT SIGIOT /* Abort (ANSI). */ | |
40 | #define SIGTRAP 5 /* Trace trap (POSIX). */ | |
41 | #define SIGIOT 6 /* IOT trap (4.2 BSD). */ | |
42 | #define SIGEMT 7 /* EMT trap (4.2 BSD). */ | |
43 | #define SIGFPE 8 /* Floating-point exception (ANSI). */ | |
44 | #define SIGKILL 9 /* Kill, unblockable (POSIX). */ | |
45 | #define SIGBUS 10 /* Bus error (4.2 BSD). */ | |
46 | #define SIGSEGV 11 /* Segmentation violation (ANSI). */ | |
47 | #define SIGSYS 12 /* Bad argument to system call (4.2 BSD). */ | |
48 | #define SIGPIPE 13 /* Broken pipe (POSIX). */ | |
49 | #define SIGALRM 14 /* Alarm clock (POSIX). */ | |
50 | #define SIGTERM 15 /* Termination (ANSI). */ | |
51 | #define SIGURG 16 /* Urgent condition on socket (4.2 BSD). */ | |
52 | #define SIGSTOP 17 /* Stop, unblockable (POSIX). */ | |
53 | #define SIGTSTP 18 /* Keyboard stop (POSIX). */ | |
54 | #define SIGCONT 19 /* Continue (POSIX). */ | |
55 | #define SIGCHLD 20 /* Child status has changed (POSIX). */ | |
56 | #define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */ | |
57 | #define SIGTTIN 21 /* Background read from tty (POSIX). */ | |
58 | #define SIGTTOU 22 /* Background write to tty (POSIX). */ | |
59 | #define SIGIO 23 /* I/O now possible (4.2 BSD). */ | |
60 | #define SIGPOLL SIGIO /* Same as SIGIO? (SVID). */ | |
61 | #define SIGXCPU 24 /* CPU limit exceeded (4.2 BSD). */ | |
62 | #define SIGXFSZ 25 /* File size limit exceeded (4.2 BSD). */ | |
63 | #define SIGVTALRM 26 /* Virtual alarm clock (4.2 BSD). */ | |
64 | #define SIGPROF 27 /* Profiling alarm clock (4.2 BSD). */ | |
65 | #define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */ | |
66 | #define SIGINFO 29 /* Information request (4.4 BSD). */ | |
67 | #define SIGUSR1 30 /* User-defined signal 1 (POSIX). */ | |
68 | #define SIGUSR2 31 /* User-defined signal 2 (POSIX). */ | |
69 | #define SIGLOST 32 /* Resource lost (Sun); server died (GNU). */ | |
70 | ||
71 | #endif /* <signal.h> included. */ | |
72 | ||
73 | #define _NSIG 33 /* Biggest signal number + 1. */ |