linux/arch/parisc/kernel/sys32.h
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   1/* 
   2 *    Copyright (C) 2002 Richard Hirst <rhirst at parisc-linux.org>
   3 *    Copyright (C) 2003 James Bottomley <jejb at parisc-linux.org>
   4 *    Copyright (C) 2003 Randolph Chung <tausq with parisc-linux.org>
   5 *
   6 *    This program is free software; you can redistribute it and/or modify
   7 *    it under the terms of the GNU General Public License as published by
   8 *    the Free Software Foundation; either version 2 of the License, or
   9 *    (at your option) any later version.
  10 *
  11 *    This program is distributed in the hope that it will be useful,
  12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *    GNU General Public License for more details.
  15 *
  16 *    You should have received a copy of the GNU General Public License
  17 *    along with this program; if not, write to the Free Software
  18 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20#ifndef _PARISC64_KERNEL_SYS32_H
  21#define _PARISC64_KERNEL_SYS32_H
  22
  23#include <linux/compat.h>
  24
  25/* Call a kernel syscall which will use kernel space instead of user
  26 * space for its copy_to/from_user.
  27 */
  28#define KERNEL_SYSCALL(ret, syscall, args...) \
  29{ \
  30    mm_segment_t old_fs = get_fs(); \
  31    set_fs(KERNEL_DS); \
  32    ret = syscall(args); \
  33    set_fs (old_fs); \
  34}
  35
  36#ifdef CONFIG_COMPAT
  37
  38typedef __u32 __sighandler_t32;
  39
  40struct sigaction32 {
  41        __sighandler_t32 sa_handler;
  42        unsigned int sa_flags;
  43        compat_sigset_t sa_mask;                /* mask last for extensibility */
  44};
  45
  46#endif
  47
  48#endif
  49