/**************************************************************************** **************************************************************************** *** *** This header was automatically generated from a Linux kernel header *** of the same name, to make information necessary for userspace to *** call into the kernel available to libc. It contains only constants, *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** *** To edit the content of this header, modify the corresponding *** source file (e.g. under external/kernel-headers/original/) then *** run bionic/libc/kernel/tools/update_all.py *** *** Any manual change here will be lost the next time this script will *** be run. You've been warned! *** **************************************************************************** ****************************************************************************/ #ifndef _ARCH_I386_LOCAL_H #define _ARCH_I386_LOCAL_H #include <linux/percpu.h> #include <asm/system.h> /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #include <asm/atomic.h> typedef struct { atomic_long_t a; /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ } local_t; #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } #define local_read(l) atomic_long_read(&(l)->a) #define local_set(l,i) atomic_long_set(&(l)->a, (i)) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define local_inc_return(l) (local_add_return(1,l)) #define local_dec_return(l) (local_sub_return(1,l)) #define local_cmpxchg(l, o, n) (cmpxchg_local(&((l)->a.counter), (o), (n))) #define local_xchg(l, n) (xchg(&((l)->a.counter), (n))) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define local_add_unless(l, a, u) ({ long c, old; c = local_read(l); for (;;) { if (unlikely(c == (u))) break; old = local_cmpxchg((l), c, c + (a)); if (likely(old == c)) break; c = old; } c != (u); }) #define local_inc_not_zero(l) local_add_unless((l), 1, 0) #define __local_inc(l) local_inc(l) #define __local_dec(l) local_dec(l) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define __local_add(i,l) local_add((i),(l)) #define __local_sub(i,l) local_sub((i),(l)) #define cpu_local_wrap_v(l) ({ local_t res__; preempt_disable(); res__ = (l); preempt_enable(); res__; }) #define cpu_local_wrap(l) ({ preempt_disable(); l; preempt_enable(); }) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var(l))) #define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var(l), (i))) #define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var(l))) #define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var(l))) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var(l))) #define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var(l))) #define __cpu_local_inc(l) cpu_local_inc(l) #define __cpu_local_dec(l) cpu_local_dec(l) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define __cpu_local_add(i, l) cpu_local_add((i), (l)) #define __cpu_local_sub(i, l) cpu_local_sub((i), (l)) #endif