/* 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 <libc-internal.h> /* 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 */