| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Jakub Jelinek | 4732efb | 2005-09-06 15:16:25 -0700 | [diff] [blame] | 2 | #ifndef _ASM_FUTEX_H |
| 3 | #define _ASM_FUTEX_H |
| 4 | |
| 5 | #ifdef __KERNEL__ |
| 6 | |
| 7 | #include <linux/futex.h> |
| 8 | #include <asm/errno.h> |
| Linus Torvalds | 7c0f6ba | 2016-12-24 11:46:01 -0800 | [diff] [blame] | 9 | #include <linux/uaccess.h> |
| Jakub Jelinek | 4732efb | 2005-09-06 15:16:25 -0700 | [diff] [blame] | 10 | |
| Jiri Slaby | 30d6e0a | 2017-08-24 09:31:05 +0200 | [diff] [blame] | 11 | extern int arch_futex_atomic_op_inuser(int op, int oparg, int *oval, |
| 12 | u32 __user *uaddr); |
| Jakub Jelinek | 4732efb | 2005-09-06 15:16:25 -0700 | [diff] [blame] | 13 | |
| Ingo Molnar | e9056f1 | 2006-03-27 01:16:21 -0800 | [diff] [blame] | 14 | static inline int |
| Michel Lespinasse | 8d7718a | 2011-03-10 18:50:58 -0800 | [diff] [blame] | 15 | futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, |
| 16 | u32 oldval, u32 newval) |
| Ingo Molnar | e9056f1 | 2006-03-27 01:16:21 -0800 | [diff] [blame] | 17 | { |
| 18 | return -ENOSYS; |
| 19 | } |
| 20 | |
| Jakub Jelinek | 4732efb | 2005-09-06 15:16:25 -0700 | [diff] [blame] | 21 | #endif |
| 22 | #endif |