linuxthreads/libc-tls-loc.c

   1 /* Special definitions for libc's own exposed thread-specific variables.
   2    Copyright (C) 2002 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 License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    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; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <tls.h>
  21
  22 #if USE___THREAD
  23 # include <errno.h>
  24 # include <netdb.h>
  25 # include <resolv.h>
  26
  27 /* These functions have identical definitions in libc.  But the versioned
  28    dependencies in executables bind them to libpthread.so definitions,
  29    so we must have some here.  */
  30
  31 int *
  32 __errno_location (void)
  33 {
  34   return &errno;
  35 }
  36
  37 int *
  38 __h_errno_location (void)
  39 {
  40   return &h_errno;
  41 }
  42
  43 struct __res_state *
  44 __res_state (void)
  45 {
  46   return __resp;
  47 }
  48
  49 #endif