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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_syswait_h) |
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25 #define octave_syswait_h 1 |
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26 |
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27 // This mess suggested by the autoconf manual. |
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28 |
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29 #ifdef HAVE_SYS_TYPES_H |
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30 #include <sys/types.h> |
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31 #endif |
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32 |
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33 #if defined (NeXT) && ! defined (_POSIX_SOURCE) |
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34 #define HAVE_SYS_WAIT_H |
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35 #endif |
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36 |
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37 #if defined HAVE_SYS_WAIT_H |
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38 #include <sys/wait.h> |
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39 #endif |
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40 |
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41 #if defined (NeXT) |
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42 #define HAVE_WAITPID 1 |
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43 #define waitpid(a, b, c) \ |
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44 wait4 ((a) == -1 ? 0 : (a), (union wait *)(b), c, 0) |
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45 |
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46 // Use the defaults below |
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47 #undef WIFEXITED |
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48 #undef WEXITSTATUS |
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49 #undef WIFSIGNALLED |
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50 #endif |
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51 |
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52 // NeXT has sys/wait.h, but it is not compatible with POSIX.1, so we |
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53 // try to define waitpid in terms of wait4. |
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54 |
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55 #if defined (NeXT) |
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56 #include <sys/wait.h> |
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57 #define waitpid(a, b, c) \ |
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58 wait4 ((a) == -1 ? 0 : (a), (union wait *)(b), c, 0) |
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59 #endif |
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60 |
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61 #ifndef WIFEXITED |
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62 #define WIFEXITED(stat_val) (((stat_val) & 255) == 0) |
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63 #endif |
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64 |
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65 #ifndef WEXITSTATUS |
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66 #define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) |
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67 #endif |
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68 |
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69 #ifndef WIFSIGNALLED |
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70 #define WIFSIGNALLED(stat_val) \ |
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71 (((stat_val) & 0177) != 0177 && ((stat_val) & 0177) != 0) |
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72 #endif |
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73 |
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74 #endif |
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75 |
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76 /* |
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77 ;;; Local Variables: *** |
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78 ;;; mode: C++ *** |
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79 ;;; End: *** |
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80 */ |
