111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/****************************************************************************
211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************
311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***
411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   This header was automatically generated from a Linux kernel header
511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   of the same name, to make information necessary for userspace to
611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   call into the kernel available to libc.  It contains only constants,
711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   structures, and macros generated from the original header, and thus,
811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   contains no copyrightable information.
911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***
1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   To edit the content of this header, modify the corresponding
1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   source file (e.g. under external/kernel-headers/original/) then
1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   run bionic/libc/kernel/tools/update_all.py
1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***
1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   Any manual change here will be lost the next time this script will
1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   be run. You've been warned!
1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***
1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************
1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************/
1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _ASM_ATOMIC_H
2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define _ASM_ATOMIC_H
2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/irqflags.h>
2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/barrier.h>
2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/cpu-features.h>
2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/war.h>
2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/system.h>
2711cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttypedef struct { volatile int counter; } atomic_t;
2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define ATOMIC_INIT(i) { (i) }
3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_read(v) ((v)->counter)
3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_set(v, i) ((v)->counter = (i))
3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_xchg(v, new) (xchg(&((v)->counter), (new)))
3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_dec_return(v) atomic_sub_return(1, (v))
3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_inc_return(v) atomic_add_return(1, (v))
3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0)
4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v)
4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_inc(v) atomic_add(1, (v))
4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_dec(v) atomic_sub(1, (v))
4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_add_negative(i, v) (atomic_add_return(i, (v)) < 0)
4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define smp_mb__before_atomic_dec() smp_llsc_mb()
4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define smp_mb__after_atomic_dec() smp_llsc_mb()
5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define smp_mb__before_atomic_inc() smp_llsc_mb()
5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define smp_mb__after_atomic_inc() smp_llsc_mb()
5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm-generic/atomic.h>
5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif
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