sysdeps/unix/sysv/linux/nanosleep.c

   1 /* Linux high resolution nanosleep implementation.
   2    Copyright (C) 2017-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <time.h>
  20 #include <sysdep-cancel.h>
  21 #include <not-cancel.h>
  22
  23 /* Pause execution for a number of nanoseconds.  */
  24 int
  25 __nanosleep (const struct timespec *requested_time,
  26              struct timespec *remaining)
  27 {
  28   return SYSCALL_CANCEL (nanosleep, requested_time, remaining);
  29 }
  30 hidden_def (__nanosleep)
  31 weak_alias (__nanosleep, nanosleep)
  32
  33 int
  34 __nanosleep_nocancel (const struct timespec *requested_time,
  35                       struct timespec *remaining)
  36 {
  37   return INLINE_SYSCALL_CALL (nanosleep, requested_time, remaining);
  38 }
  39 hidden_def (__nanosleep_nocancel)