1  /* Copyright (C) 1991-2023 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 <stddef.h>
      19  #include <errno.h>
      20  #include <sys/time.h>
      21  
      22  /* Set *VALUE to the current setting of timer WHICH.
      23     Return 0 on success, -1 on errors.  */
      24  int
      25  __getitimer (enum __itimer_which which, struct itimerval *value)
      26  {
      27    if (value == NULL)
      28      {
      29        __set_errno (EINVAL);
      30        return -1;
      31      }
      32  
      33    __set_errno (ENOSYS);
      34    return -1;
      35  }
      36  stub_warning (getitimer)
      37  
      38  weak_alias (__getitimer, getitimer)