2020-09-02 16:47:03 +08:00
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/* sig2str.h -- convert between signal names and numbers
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2022-07-28 14:16:50 +08:00
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Copyright (C) 2002, 2005, 2009-2022 Free Software Foundation, Inc.
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2020-09-02 16:47:03 +08:00
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2022-07-28 14:16:50 +08:00
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the Free Software Foundation, either version 3 of the License, or
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2020-09-02 16:47:03 +08:00
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Paul Eggert. */
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#include <signal.h>
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/* Don't override system declarations of SIG2STR_MAX, sig2str, str2sig. */
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#ifndef SIG2STR_MAX
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# include "intprops.h"
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/* Size of a buffer needed to hold a signal name like "HUP". */
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# define SIG2STR_MAX (sizeof "SIGRTMAX" + INT_STRLEN_BOUND (int) - 1)
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#ifdef __cplusplus
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extern "C" {
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#endif
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int sig2str (int, char *);
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int str2sig (char const *, int *);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* An upper bound on signal numbers allowed by the system. */
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#if defined _sys_nsig
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# define SIGNUM_BOUND (_sys_nsig - 1)
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#elif defined _SIG_MAXSIG
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# define SIGNUM_BOUND (_SIG_MAXSIG - 2) /* FreeBSD >= 7. */
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#elif defined NSIG
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# define SIGNUM_BOUND (NSIG - 1)
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#else
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# define SIGNUM_BOUND 64
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#endif
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