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annotate liboctave/util/singleton-cleanup.cc @ 23220:092078913d54

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maint: Merge stable to default.
author John W. Eaton <jwe@octave.org>
date Wed, 22 Feb 2017 12:58:07 -0500
parents ef4d915df748 3ac9f9ecfae5
children 21baad6b35c4
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1 /*
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2
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3 Copyright (C) 2012-2017 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3 of the License, or
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10 (at your option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include <lo-error.h>
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28 #include <singleton-cleanup.h>
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29
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30 singleton_cleanup_list *singleton_cleanup_list::instance = 0;
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31
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32 singleton_cleanup_list::~singleton_cleanup_list (void)
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33 {
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34 for (fptr fcn : fcn_list)
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35 {
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36 fcn ();
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37 }
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38 }
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39
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40 bool
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41 singleton_cleanup_list::instance_ok (void)
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42 {
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43 bool retval = true;
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44
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45 if (! instance)
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46 instance = new singleton_cleanup_list ();
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47
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48 if (! instance)
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49 (*current_liboctave_error_handler)
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50 ("unable to create singleton_cleanup_list object!");
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51
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52 return retval;
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53 }