src/system/libroot/posix/unistd/usleep.c

   1 /*
   2 ** Copyright 2001, Manuel J. Petit. All rights reserved.
   3 ** Distributed under the terms of the NewOS License.
   4 */
   5
   6 #include <unistd.h>
   7 #include <syscalls.h>
   8 #include <errno.h>
   9
  10 #include <errno_private.h>
  11
  12
  13 int
  14 usleep(unsigned useconds)
  15 {
  16         int err;
  17         err = snooze_until(system_time() + (bigtime_t)(useconds), B_SYSTEM_TIMEBASE);
  18         if (err < 0) {
  19                 __set_errno(err);
  20                 return -1;
  21         }
  22         return 0;
  23 }