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3311
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1 /* |
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2 |
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3 Copyright (C) 1999 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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22 |
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23 #ifdef 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 #ifdef HAVE_UNISTD_H |
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28 #ifdef HAVE_SYS_TYPES_H |
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29 #include <sys/types.h> |
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30 #endif |
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31 #include <unistd.h> |
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32 #endif |
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33 |
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34 #include "systime.h" |
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35 |
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36 #ifdef HAVE_POLL_H |
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37 #include <poll.h> |
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38 #elif HAVE_SYS_POLL_H |
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39 #include <sys/poll.h> |
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40 #endif |
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41 |
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3317
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42 static void |
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43 do_octave_usleep (unsigned int useconds) |
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44 { |
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45 #if defined (HAVE_USLEEP) |
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46 |
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47 usleep (useconds); |
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48 |
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49 #elif defined (HAVE_SELECT) |
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50 |
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51 struct timeval delay; |
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52 |
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53 delay.tv_sec = 0; |
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54 delay.tv_usec = useconds; |
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55 |
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56 select (0, 0, 0, 0, &delay); |
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57 |
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58 #elif defined (HAVE_POLL) |
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59 |
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60 struct pollfd pfd; |
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61 int delay = useconds / 1000; |
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62 |
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3317
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63 if (delay > 0) |
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64 poll (&fd, 0, delay); |
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65 |
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66 #endif |
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67 } |
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68 |
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3317
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69 void |
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70 octave_usleep (unsigned int useconds) |
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71 { |
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72 unsigned int sec = useconds / 1000000; |
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73 unsigned int usec = useconds % 1000000; |
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74 |
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75 if (sec > 0) |
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76 sleep (sec); |
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77 |
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78 do_usleep (usec); |
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79 } |
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80 |
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81 /* |
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82 ;;; Local Variables: *** |
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83 ;;; mode: C++ *** |
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84 ;;; End: *** |
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85 */ |
