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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
- /* 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 <sys/cdefs.h>
- #include <tls.h>
- #include <linuxthreads.old/internals.h>
- #if defined(USE_TLS) && USE_TLS && HAVE___THREAD
- /* 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 */
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