arch/parisc/kernel/sys32.h

   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
  38 typedef __u32 __sighandler_t32;
  39
  40 struct 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