| 1 | /* sig2str.h -- convert between signal names and numbers |
| 2 | |
| 3 | Copyright (C) 2002, 2005, 2009-2014 Free Software Foundation, Inc. |
| 4 | |
| 5 | This program is free software: you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program 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 |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | /* Written by Paul Eggert. */ |
| 19 | |
| 20 | #include <signal.h> |
| 21 | |
| 22 | /* Don't override system declarations of SIG2STR_MAX, sig2str, str2sig. */ |
| 23 | #ifndef SIG2STR_MAX |
| 24 | |
| 25 | # include "intprops.h" |
| 26 | |
| 27 | /* Size of a buffer needed to hold a signal name like "HUP". */ |
| 28 | # define SIG2STR_MAX (sizeof "SIGRTMAX" + INT_STRLEN_BOUND (int) - 1) |
| 29 | |
| 30 | #ifdef __cplusplus |
| 31 | extern "C" { |
| 32 | #endif |
| 33 | |
| 34 | int sig2str (int, char *); |
| 35 | int str2sig (char const *, int *); |
| 36 | |
| 37 | #ifdef __cplusplus |
| 38 | } |
| 39 | #endif |
| 40 | |
| 41 | #endif |
| 42 | |
| 43 | /* An upper bound on signal numbers allowed by the system. */ |
| 44 | |
| 45 | #if defined _sys_nsig |
| 46 | # define SIGNUM_BOUND (_sys_nsig - 1) |
| 47 | #elif defined NSIG |
| 48 | # define SIGNUM_BOUND (NSIG - 1) |
| 49 | #else |
| 50 | # define SIGNUM_BOUND 64 |
| 51 | #endif |