libpthread/nptl/sysdeps/unix/sysv/linux/nanosleep.c

   1 /*
   2  * Copyright (C) 2017 Waldemar Brodkorb <wbx@uclibc-ng.org>
   3  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   4  */
   5
   6 #include <time.h>
   7 #include <cancel.h>
   8
   9 /* Pause execution for a number of nanoseconds.  */
  10 int
  11 _NC(nanosleep) (const struct timespec *requested_time,
  12              struct timespec *remaining)
  13 {
  14     int __ret = clock_nanosleep(CLOCK_REALTIME, 0, requested_time, remaining);
  15
  16     if (__ret != 0) {
  17       __set_errno(__ret);
  18       return -1;
  19     }
  20
  21     return __ret;
  22 }
  23
  24 CANCELLABLE_SYSCALL(int, nanosleep, (const struct timespec *requested_time,
  25                         struct timespec *remaining), (requested_time, remaining))
  26
  27 lt_libc_hidden(nanosleep)