libbase/GnashSleep.h

   1 // GnashSleep.h -- How do you sleep?
   2 //
   3 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010,
   4 //   2011 Free Software Foundation, Inc
   5 //
   6 // This program is free software; you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation; either version 3 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software
  18 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19
  20 #ifndef GNASH_SLEEP_H
  21 #define GNASH_SLEEP_H
  22
  23 // Headers for sleep
  24 #if defined(_WIN32) || defined(WIN32)
  25 # include <windows.h>
  26 #else
  27 # include <time.h>
  28 #endif
  29
  30 namespace gnash {
  31
  32 /// Sleep compatibly for the specified number of microseconds
  33 //
  34 /// @param useconds     microseconds to sleep.
  35 inline void gnashSleep(size_t useconds)
  36 {
  37 #if defined(_WIN32) || defined(WIN32)
  38     Sleep(useconds / 1000);
  39 #else
  40     const size_t m = 1000000;
  41     const struct timespec t = { useconds / m, (useconds % m) * 1000 };
  42     ::nanosleep(&t, 0);
  43 #endif
  44 }
  45
  46 } // namespace gnash
  47
  48 #endif