libs/usleep.c

   1 /* -*-c-*- */
   2 /* This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation; either version 2 of the License, or
   5  * (at your option) any later version.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  15  */
  16
  17 #include "config.h"
  18
  19 #include <sys/types.h>
  20 #include "ftime.h"
  21
  22 #ifdef HAVE_SYS_SELECT
  23 #include <sys/select.h>
  24 #endif
  25
  26 int usleep (unsigned long usec)
  27 {
  28         struct timeval timeout;
  29         timeout.tv_usec = usec % (unsigned long) 1000000;
  30         timeout.tv_sec = usec / (unsigned long) 1000000;
  31         select(0, NULL, NULL, NULL, &timeout);
  32
  33         return 0;
  34 }