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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_API_UP_H
13 #define __LINUX_SPINLOCK_API_UP_H
14 
15 #ifndef __LINUX_SPINLOCK_H
16 #error "please don't include this file directly"
17 #endif
18 
19 #define in_lock_functions(ADDR) 0
20 
21 #define assert_spin_locked(lock) do { (void)(lock); } while (0)
22 
23 #define __LOCK(lock)   do { preempt_disable(); __acquire(lock); (void)(lock); } while (0)
24 
25 #define __LOCK_BH(lock)   do { local_bh_disable(); __LOCK(lock); } while (0)
26 
27 #define __LOCK_IRQ(lock)   do { local_irq_disable(); __LOCK(lock); } while (0)
28 
29 #define __LOCK_IRQSAVE(lock, flags)   do { local_irq_save(flags); __LOCK(lock); } while (0)
30 
31 #define __UNLOCK(lock)   do { preempt_enable(); __release(lock); (void)(lock); } while (0)
32 
33 #define __UNLOCK_BH(lock)   do { preempt_enable_no_resched(); local_bh_enable(); __release(lock); (void)(lock); } while (0)
34 
35 #define __UNLOCK_IRQ(lock)   do { local_irq_enable(); __UNLOCK(lock); } while (0)
36 
37 #define __UNLOCK_IRQRESTORE(lock, flags)   do { local_irq_restore(flags); __UNLOCK(lock); } while (0)
38 
39 #define _spin_lock(lock) __LOCK(lock)
40 #define _spin_lock_nested(lock, subclass) __LOCK(lock)
41 #define _read_lock(lock) __LOCK(lock)
42 #define _write_lock(lock) __LOCK(lock)
43 #define _spin_lock_bh(lock) __LOCK_BH(lock)
44 #define _read_lock_bh(lock) __LOCK_BH(lock)
45 #define _write_lock_bh(lock) __LOCK_BH(lock)
46 #define _spin_lock_irq(lock) __LOCK_IRQ(lock)
47 #define _read_lock_irq(lock) __LOCK_IRQ(lock)
48 #define _write_lock_irq(lock) __LOCK_IRQ(lock)
49 #define _spin_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags)
50 #define _read_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags)
51 #define _write_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags)
52 #define _spin_trylock(lock) ({ __LOCK(lock); 1; })
53 #define _read_trylock(lock) ({ __LOCK(lock); 1; })
54 #define _write_trylock(lock) ({ __LOCK(lock); 1; })
55 #define _spin_trylock_bh(lock) ({ __LOCK_BH(lock); 1; })
56 #define _spin_unlock(lock) __UNLOCK(lock)
57 #define _read_unlock(lock) __UNLOCK(lock)
58 #define _write_unlock(lock) __UNLOCK(lock)
59 #define _spin_unlock_bh(lock) __UNLOCK_BH(lock)
60 #define _write_unlock_bh(lock) __UNLOCK_BH(lock)
61 #define _read_unlock_bh(lock) __UNLOCK_BH(lock)
62 #define _spin_unlock_irq(lock) __UNLOCK_IRQ(lock)
63 #define _read_unlock_irq(lock) __UNLOCK_IRQ(lock)
64 #define _write_unlock_irq(lock) __UNLOCK_IRQ(lock)
65 #define _spin_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags)
66 #define _read_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags)
67 #define _write_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags)
68 
69 #endif
70