Linux Kernel  3.7.1
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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 
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