text: /* libc-internal interface for thread-specific data.  LinuxThreads version.
     Copyright (C) 1997-2002, 2003 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
  
     The GNU C Library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public License as
     published by the Free Software Foundation; either version 2.1 of the
     License, or (at your option) any later version.
  
     The GNU C Library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public
     License along with the GNU C Library; see the file COPYING.LIB.  If
     not, see <http://www.gnu.org/licenses/>.  */
  
  #ifndef _BITS_LIBC_TSD_H
  #define _BITS_LIBC_TSD_H 1
  
  /* Fast thread-specific data internal to libc.  */
  enum __libc_tsd_key_t { _LIBC_TSD_KEY_MALLOC = 0,
  			_LIBC_TSD_KEY_DL_ERROR,
  			_LIBC_TSD_KEY_RPC_VARS,
  			_LIBC_TSD_KEY_LOCALE,
  			_LIBC_TSD_KEY_CTYPE_B,
  			_LIBC_TSD_KEY_CTYPE_TOLOWER,
  			_LIBC_TSD_KEY_CTYPE_TOUPPER,
  			_LIBC_TSD_KEY_N };
  
  #include <features.h>
  #include <linuxthreads/internals.h>
  
  #ifdef __UCLIBC_HAS_TLS__
  #include <tls.h>
  
  /* When __thread works, the generic definition is what we want.  */
  # include <sysdeps/generic/bits/libc-tsd.h>
  
  #else
  
  # include <bits/libc-lock.h>
  
  # ifndef SHARED
  extern void ** __pthread_internal_tsd_address (int);
  extern void *__pthread_internal_tsd_get (int);
  extern int __pthread_internal_tsd_set (int, const void *);
  
  weak_extern (__pthread_internal_tsd_address)
  weak_extern (__pthread_internal_tsd_get)
  weak_extern (__pthread_internal_tsd_set)
  # endif
  
  #define __libc_tsd_define(CLASS, KEY)	CLASS void *__libc_tsd_##KEY##_data;
  #define __libc_tsd_address(KEY) \
    __libc_maybe_call2 (pthread_internal_tsd_address,			\
  		      (_LIBC_TSD_KEY_##KEY), &__libc_tsd_##KEY##_data)
  #define __libc_tsd_get(KEY) \
    __libc_maybe_call2 (pthread_internal_tsd_get,				\
  		      (_LIBC_TSD_KEY_##KEY), __libc_tsd_##KEY##_data)
  #define __libc_tsd_set(KEY, VALUE) \
    __libc_maybe_call2 (pthread_internal_tsd_set,				\
  		      (_LIBC_TSD_KEY_##KEY, (VALUE)),			\
  		       (__libc_tsd_##KEY##_data = (VALUE), 0))
  
  #endif
  
  #endif	/* bits/libc-tsd.h */
  