11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/**************************************************************************** 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project **************************************************************************** 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** This header was automatically generated from a Linux kernel header 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** of the same name, to make information necessary for userspace to 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** call into the kernel available to libc. It contains only constants, 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** structures, and macros generated from the original header, and thus, 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** contains no copyrightable information. 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** 10654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** To edit the content of this header, modify the corresponding 11654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** source file (e.g. under external/kernel-headers/original/) then 12654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** run bionic/libc/kernel/tools/update_all.py 13654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** 14654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** Any manual change here will be lost the next time this script will 15654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** be run. You've been warned! 16654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project **************************************************************************** 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project ****************************************************************************/ 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef __ARCH_I386_ATOMIC__ 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __ARCH_I386_ATOMIC__ 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <linux/compiler.h> 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <asm/processor.h> 23654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <asm/cmpxchg.h> 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef struct { int counter; } atomic_t; 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define ATOMIC_INIT(i) { (i) } 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define atomic_read(v) ((v)->counter) 28654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define atomic_set(v,i) (((v)->counter) = (i)) 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) 33654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define atomic_inc_return(v) (atomic_add_return(1,v)) 351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define atomic_dec_return(v) (atomic_sub_return(1,v)) 361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define atomic_clear_mask(mask, addr) __asm__ __volatile__(LOCK_PREFIX "andl %0,%1" : : "r" (~(mask)),"m" (*addr) : "memory") 371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define atomic_set_mask(mask, addr) __asm__ __volatile__(LOCK_PREFIX "orl %0,%1" : : "r" (mask),"m" (*(addr)) : "memory") 38654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define smp_mb__before_atomic_dec() barrier() 401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define smp_mb__after_atomic_dec() barrier() 411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define smp_mb__before_atomic_inc() barrier() 421dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define smp_mb__after_atomic_inc() barrier() 43654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 441dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <asm-generic/atomic.h> 451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 46