| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** 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 |
