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 _ASM_GENERIC_LOCAL_H
13 #define _ASM_GENERIC_LOCAL_H
14 
15 #include <linux/percpu.h>
16 #include <linux/hardirq.h>
17 #include <asm/atomic.h>
18 #include <asm/types.h>
19 
20 typedef struct
21 {
22  atomic_long_t a;
23 } local_t;
24 
25 #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) }
26 
27 #define local_read(l) atomic_long_read(&(l)->a)
28 #define local_set(l,i) atomic_long_set((&(l)->a),(i))
29 #define local_inc(l) atomic_long_inc(&(l)->a)
30 #define local_dec(l) atomic_long_dec(&(l)->a)
31 #define local_add(i,l) atomic_long_add((i),(&(l)->a))
32 #define local_sub(i,l) atomic_long_sub((i),(&(l)->a))
33 
34 #define __local_inc(l) local_set((l), local_read(l) + 1)
35 #define __local_dec(l) local_set((l), local_read(l) - 1)
36 #define __local_add(i,l) local_set((l), local_read(l) + (i))
37 #define __local_sub(i,l) local_set((l), local_read(l) - (i))
38 
39 #define cpu_local_read(v) local_read(&__get_cpu_var(v))
40 #define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i))
41 #define cpu_local_inc(v) local_inc(&__get_cpu_var(v))
42 #define cpu_local_dec(v) local_dec(&__get_cpu_var(v))
43 #define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v))
44 #define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v))
45 
46 #define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v))
47 #define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v))
48 #define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v))
49 #define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v))
50 
51 #endif
52