1  /* getitimer -- Get the state of an interval timer.  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 <tv32-compat.h>
      26  
      27  int
      28  attribute_compat_text_section
      29  __setitimer_tv32 (int which, const struct __itimerval32 *restrict new_value,
      30  		  struct __itimerval32 *restrict old_value)
      31  {
      32    struct itimerval new_value_64;
      33    new_value_64.it_interval
      34      = valid_timeval32_to_timeval (new_value->it_interval);
      35    new_value_64.it_value
      36      = valid_timeval32_to_timeval (new_value->it_value);
      37  
      38    if (old_value == NULL)
      39      return __setitimer (which, &new_value_64, NULL);
      40  
      41    struct itimerval old_value_64;
      42    if (__setitimer (which, &new_value_64, &old_value_64) == -1)
      43      return -1;
      44  
      45    /* Write all fields of 'old_value' regardless of overflow.  */
      46    old_value->it_interval
      47       = valid_timeval_to_timeval32 (old_value_64.it_interval);
      48    old_value->it_value
      49       = valid_timeval_to_timeval32 (old_value_64.it_value);
      50    return 0;
      51  }
      52  
      53  compat_symbol (libc, __setitimer_tv32, setitimer, GLIBC_2_0);
      54  #endif