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