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annotate lib/sig2str.h @ 6912:314715e0260d

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Merge from coreutils.
author Paul Eggert <eggert@cs.ucla.edu>
date Mon, 03 Jul 2006 08:32:46 +0000
parents a48fb0e98c8c
children bbbbbf4cd1c5
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1 /* sig2str.h -- convert between signal names and numbers
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2
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3 Copyright (C) 2002, 2005 Free Software Foundation, Inc.
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4
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5 This program is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 2, or (at your option)
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8 any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program; if not, write to the Free Software Foundation,
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17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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18
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19 /* Written by Paul Eggert. */
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20
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21 #include <signal.h>
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22
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23 /* Don't override system declarations of SIG2STR_MAX, sig2str, str2sig. */
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24 #ifndef SIG2STR_MAX
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25
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26 # include "intprops.h"
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27
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28 /* Size of a buffer needed to hold a signal name like "HUP". */
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29 # define SIG2STR_MAX (sizeof "SIGRTMAX" + INT_STRLEN_BOUND (int) - 1)
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30
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31 int sig2str (int, char *);
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32 int str2sig (char const *, int *);
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33
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34 #endif
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35
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36 /* An upper bound on signal numbers allowed by the system. */
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37
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38 #if defined _sys_nsig
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39 # define SIGNUM_BOUND (_sys_nsig - 1)
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40 #elif defined NSIG
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41 # define SIGNUM_BOUND (NSIG - 1)
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42 #else
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43 # define SIGNUM_BOUND 64
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44 #endif