/**************************************************************************** **************************************************************************** *** *** 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_ATOMIC__ #define __ARCH_I386_ATOMIC__ #include <linux/compiler.h> #include <asm/processor.h> /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #include <asm/cmpxchg.h> typedef struct { int counter; } atomic_t; #define ATOMIC_INIT(i) { (i) } #define atomic_read(v) ((v)->counter) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define atomic_set(v,i) (((v)->counter) = (i)) #define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) #define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define atomic_inc_return(v) (atomic_add_return(1,v)) #define atomic_dec_return(v) (atomic_sub_return(1,v)) #define atomic_clear_mask(mask, addr) __asm__ __volatile__(LOCK_PREFIX "andl %0,%1" : : "r" (~(mask)),"m" (*addr) : "memory") #define atomic_set_mask(mask, addr) __asm__ __volatile__(LOCK_PREFIX "orl %0,%1" : : "r" (mask),"m" (*(addr)) : "memory") /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define smp_mb__before_atomic_dec() barrier() #define smp_mb__after_atomic_dec() barrier() #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #include <asm-generic/atomic.h> #endif