1  /* Copyright (C) 1999-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <time.h>
      19  #include <sys/timex.h>
      20  
      21  #ifndef MOD_OFFSET
      22  # define modes mode
      23  #endif
      24  
      25  /* clock_adjtime64 with CLOCK_REALTIME does not trigger EINVAL,
      26     ENODEV, or EOPNOTSUPP.  It might still trigger EPERM.  */
      27  
      28  int
      29  __ntp_gettimex64 (struct __ntptimeval64 *ntv)
      30  {
      31    struct __timex64 tntx;
      32    int result;
      33  
      34    tntx.modes = 0;
      35    result = __clock_adjtime64 (CLOCK_REALTIME, &tntx);
      36    ntv->time = tntx.time;
      37    ntv->maxerror = tntx.maxerror;
      38    ntv->esterror = tntx.esterror;
      39    ntv->tai = tntx.tai;
      40    ntv->__glibc_reserved1 = 0;
      41    ntv->__glibc_reserved2 = 0;
      42    ntv->__glibc_reserved3 = 0;
      43    ntv->__glibc_reserved4 = 0;
      44    return result;
      45  }
      46  
      47  #if __TIMESIZE != 64
      48  libc_hidden_def (__ntp_gettimex64)
      49  
      50  int
      51  __ntp_gettimex (struct ntptimeval *ntv)
      52  {
      53    struct __ntptimeval64 ntv64;
      54    int result;
      55  
      56    result = __ntp_gettimex64 (&ntv64);
      57    *ntv = valid_ntptimeval64_to_ntptimeval (ntv64);
      58  
      59    return result;
      60  }
      61  #endif
      62  strong_alias (__ntp_gettimex, ntp_gettimex)