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emacs/lib/sig2str.h
2023-01-01 05:31:12 -05:00

54 lines
1.5 KiB
C

/* sig2str.h -- convert between signal names and numbers
Copyright (C) 2002, 2005, 2009-2023 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Paul Eggert. */
#include <signal.h>
/* Don't override system declarations of SIG2STR_MAX, sig2str, str2sig. */
#ifndef SIG2STR_MAX
# include "intprops.h"
/* Size of a buffer needed to hold a signal name like "HUP". */
# define SIG2STR_MAX (sizeof "SIGRTMAX" + INT_STRLEN_BOUND (int) - 1)
#ifdef __cplusplus
extern "C" {
#endif
int sig2str (int, char *);
int str2sig (char const *, int *);
#ifdef __cplusplus
}
#endif
#endif
/* An upper bound on signal numbers allowed by the system. */
#if defined _sys_nsig
# define SIGNUM_BOUND (_sys_nsig - 1)
#elif defined _SIG_MAXSIG
# define SIGNUM_BOUND (_SIG_MAXSIG - 2) /* FreeBSD >= 7. */
#elif defined NSIG
# define SIGNUM_BOUND (NSIG - 1)
#else
# define SIGNUM_BOUND 64
#endif