1  /* settimeofday -- Set the current time of day.  Linux/Alpha/tv32 version.
       2     Copyright (C) 2019-2023 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 <shlib-compat.h>
      20  
      21  #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
      22  
      23  #include <time.h>
      24  #include <sys/time.h>
      25  #include <time.h>
      26  #include <errno.h>
      27  
      28  /* Set the current time of day and timezone information.
      29     This call is restricted to the super-user.  */
      30  int
      31  attribute_compat_text_section
      32  __settimeofday_tv32 (const struct __timeval32 *tv32,
      33                       const struct timezone *tz)
      34  {
      35    if (__glibc_unlikely (tz != 0))
      36      {
      37        if (tv32 != 0)
      38  	{
      39  	  __set_errno (EINVAL);
      40  	  return -1;
      41  	}
      42        return __settimezone (tz);
      43      }
      44  
      45    struct timespec ts = valid_timeval32_to_timespec (*tv32);
      46    return __clock_settime (CLOCK_REALTIME, &ts);
      47  }
      48  
      49  compat_symbol (libc, __settimeofday_tv32, settimeofday, GLIBC_2_0);
      50  #endif