1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef __LINUX_SPINLOCK_UP_H
13#define __LINUX_SPINLOCK_UP_H
14
15#ifndef __LINUX_SPINLOCK_H
16#error "please don't include this file directly"
17#endif
18
19#define __raw_spin_is_locked(lock) ((void)(lock), 0)
20
21#define __raw_spin_lock(lock) do { (void)(lock); } while (0)
22#define __raw_spin_unlock(lock) do { (void)(lock); } while (0)
23#define __raw_spin_trylock(lock) ({ (void)(lock); 1; })
24
25#define __raw_read_can_lock(lock) (((void)(lock), 1))
26#define __raw_write_can_lock(lock) (((void)(lock), 1))
27
28#define __raw_spin_unlock_wait(lock)   do { cpu_relax(); } while (__raw_spin_is_locked(lock))
29
30#endif
31