1  /* Copyright (C) 1997-2023 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 <libc-lock.h>
      19  #include <errno.h>
      20  #include <hurd.h>
      21  #include <stdlib.h>
      22  #include <pthreadP.h>
      23  
      24  /* Placeholder for key creation routine from Hurd cthreads library.  */
      25  int
      26  weak_function
      27  __cthread_keycreate (__cthread_key_t *key)
      28  {
      29    *key = -1;
      30    return __hurd_fail (ENOSYS);
      31  }
      32  
      33  /* Placeholder for key retrieval routine from Hurd cthreads library.  */
      34  int
      35  weak_function
      36  __cthread_getspecific (__cthread_key_t key, void **pval)
      37  {
      38    *pval = NULL;
      39    return __hurd_fail (ENOSYS);
      40  }
      41  
      42  /* Placeholder for key setting routine from Hurd cthreads library.  */
      43  int
      44  weak_function
      45  __cthread_setspecific (__cthread_key_t key, void *val)
      46  {
      47    return __hurd_fail (ENOSYS);
      48  }