glibc/sysdeps/mach/hurd/bits/libc-tsd.h
2012-02-09 23:18:22 +00:00

35 lines
1.3 KiB
C

/* libc-internal interface for thread-specific data. Hurd version.
Copyright (C) 1998,2002,2008 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; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _BITS_LIBC_TSD_H
#define _BITS_LIBC_TSD_H 1
#include <hurd/threadvar.h>
#define __libc_tsd_define(CLASS, TYPE, KEY) /* nothing, always have threadvars */
#define __libc_tsd_address(TYPE, KEY) \
((TYPE *) __hurd_threadvar_location (_HURD_THREADVAR_##KEY))
#define __libc_tsd_get(TYPE, KEY) \
(*__libc_tsd_address (TYPE, KEY))
#define __libc_tsd_set(TYPE, KEY, VALUE) \
(*__libc_tsd_address (TYPE, KEY) = (VALUE))
#endif /* bits/libc-tsd.h */