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annotate src/syswait.h @ 2371:dd29ab8af9e7

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[project @ 1996-10-12 00:09:55 by jwe]
author jwe
date Sat, 12 Oct 1996 00:09:57 +0000
parents 36903d507b0e
children f667d7ec08b9
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1 /*
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2
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3 Copyright (C) 1996 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 the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 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, write to the Free
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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20
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21 */
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23 #if !defined (octave_syswait_h)
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24 #define octave_syswait_h 1
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25
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26 // This mess suggested by the autoconf manual.
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28 #include <sys/types.h>
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30 #if HAVE_SYS_WAIT_H
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31 #include <sys/wait.h>
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32 #endif
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34 #ifndef WIFEXITED
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35 #define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
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36 #endif
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37
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38 #ifndef WEXITSTATUS
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39 #define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
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40 #endif
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42 #ifndef WIFSIGNALLED
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43 #define WIFSIGNALLED(stat_val) \
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44 (((stat_val) & 0177) != 0177 && ((stat_val) & 0177) != 0)
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45 #endif
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46
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47 #endif
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48
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49 /*
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50 ;;; Local Variables: ***
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51 ;;; mode: C++ ***
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52 ;;; End: ***
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53 */