compiler/posixc/usleep.c

   1 /*
   2     Copyright © 2008, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     POSIX.1-2001 function usleep()
   6     Function is removed from POSIX.1-2008
   7 */
   8
   9 #include <aros/debug.h>
  10
  11 #include <time.h>
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16 #include <unistd.h>
  17
  18         int usleep (
  19
  20 /*  SYNOPSIS */
  21         useconds_t usec)
  22
  23 /*  FUNCTION
  24         Suspends program execution for a given number of microseconds.
  25
  26     INPUTS
  27         usec - number of microseconds to wait
  28
  29     RESULT
  30         0 on success, -1 on error
  31
  32     NOTES
  33         This function is not part of POSIX.1-2008 anymore. Don't use this
  34         function. As an alternative nanosleep() can be used.
  35
  36     EXAMPLE
  37
  38     BUGS
  39
  40     SEE ALSO
  41         nanosleep()
  42
  43     INTERNALS
  44         This function is part of libarosc.a and may be removed in the future.
  45
  46 ******************************************************************************/
  47 {
  48     struct timespec req;
  49
  50     req.tv_sec = usec/1000000;
  51     req.tv_nsec = (usec % 1000000)*1000;
  52
  53     return nanosleep(&req, NULL);
  54 } /* usleep() */
  55