sysdeps/unix/sysv/linux/adjtimex.c

   1 /* Tune kernel clock.  Linux specific syscall.
   2    Copyright (C) 2019-2021 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 <sys/timex.h>
  20 #include <sysdep.h>
  21
  22 int
  23 ___adjtimex64 (struct __timex64 *tx64)
  24 {
  25   return __clock_adjtime64 (CLOCK_REALTIME, tx64);
  26 }
  27
  28 #if __TIMESIZE != 64
  29 libc_hidden_def (___adjtimex64)
  30
  31 int
  32 ___adjtimex (struct timex *tx)
  33 {
  34   struct __timex64 tx64;
  35   int retval;
  36
  37   tx64 = valid_timex_to_timex64 (*tx);
  38   retval = ___adjtimex64 (&tx64);
  39   *tx = valid_timex64_to_timex (tx64);
  40
  41   return retval;
  42 }
  43 #endif
  44
  45 #ifdef VERSION_adjtimex
  46 weak_alias (___adjtimex, __wadjtimex);
  47 weak_alias (___adjtimex, __wnadjtime);
  48 default_symbol_version (___adjtimex,  __adjtimex, VERSION_adjtimex);
  49 default_symbol_version (__wadjtimex,    adjtimex, VERSION_adjtimex);
  50 default_symbol_version (__wnadjtime, ntp_adjtime, VERSION_adjtimex);
  51 libc_hidden_ver (___adjtimex, __adjtimex);
  52 #else
  53 strong_alias (___adjtimex, __adjtimex)
  54 weak_alias (___adjtimex, adjtimex)
  55 weak_alias (___adjtimex, ntp_adjtime)
  56 libc_hidden_def (__adjtimex)
  57 #endif