1  /* pthread_getspecific.  Hurd version.
       2     Copyright (C) 2002-2023 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     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <pthread.h>
      20  
      21  #include <pt-internal.h>
      22  
      23  void *
      24  __pthread_getspecific (pthread_key_t key)
      25  {
      26    struct __pthread *self;
      27  
      28    if (key < 0 || key >= __pthread_key_count)
      29      return NULL;
      30  
      31    self = _pthread_self ();
      32    if (key >= self->thread_specifics_size)
      33      return 0;
      34  
      35    return self->thread_specifics[key];
      36  }
      37  weak_alias (__pthread_getspecific, pthread_getspecific);
      38  hidden_def (__pthread_getspecific)