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/* 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,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _BITS_LIBC_TSD_H
#define _BITS_LIBC_TSD_H 1
#include <linuxthreads/descr.h>
#include <tls.h>
#if USE_TLS && HAVE___THREAD
/* When __thread works, the generic definition is what we want. */
# include_next <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 */
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