1 /* sig2str.h -- convert between signal names and numbers 2 3 Copyright (C) 2002, 2005, 2009-2021 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 <https://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 _SIG_MAXSIG 48 # define SIGNUM_BOUND (_SIG_MAXSIG - 2) /* FreeBSD >= 7. */ 49 #elif defined NSIG 50 # define SIGNUM_BOUND (NSIG - 1) 51 #else 52 # define SIGNUM_BOUND 64 53 #endif