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glibc  2.9
libc-tsd.h
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00001 /* libc-internal interface for thread-specific data.  Hurd version.
00002    Copyright (C) 1998,2002,2008 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #ifndef _BITS_LIBC_TSD_H
00021 #define _BITS_LIBC_TSD_H 1
00022 
00023 #include <hurd/threadvar.h>
00024 
00025 #define __libc_tsd_define(CLASS, TYPE, KEY) /* nothing, always have threadvars */
00026 
00027 #define __libc_tsd_address(TYPE, KEY) \
00028   ((TYPE *) __hurd_threadvar_location (_HURD_THREADVAR_##KEY))
00029 
00030 #define __libc_tsd_get(TYPE, KEY) \
00031   (*__libc_tsd_address (TYPE, KEY))
00032 #define __libc_tsd_set(TYPE, KEY, VALUE) \
00033   (*__libc_tsd_address (TYPE, KEY) = (VALUE))
00034 
00035 #endif /* bits/libc-tsd.h */