sysdeps/mach/hurd/bits/libc-tsd.h

   1 /* libc-internal interface for thread-specific data.  Hurd version.
   2    Copyright (C) 1998 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _BITS_LIBC_TSD_H
  21 #define _BITS_LIBC_TSD_H 1
  22
  23 #include <hurd/threadvar.h>
  24
  25 #define __libc_tsd_define(CLASS, KEY) /* nothing, always have threadvars */
  26
  27 #define __libc_tsd_threadvar_location(KEY) \
  28   ((void **) __hurd_threadvar_location (_HURD_THREADVAR_##KEY))
  29
  30 #define __libc_tsd_get(KEY) \
  31   (*__libc_tsd_threadvar_location (KEY))
  32
  33 #define __libc_tsd_set(KEY, VALUE) \
  34   (*__libc_tsd_threadvar_location (KEY) = (VALUE))
  35
  36
  37 #endif  /* bits/libc-tsd.h */