| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** 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 _ASM_ATOMIC_H |
| #define _ASM_ATOMIC_H |
| #include <linux/irqflags.h> |
| #include <asm/barrier.h> |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #include <asm/cpu-features.h> |
| #include <asm/war.h> |
| #include <asm/system.h> |
| typedef struct { volatile int counter; } atomic_t; |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #define ATOMIC_INIT(i) { (i) } |
| #define atomic_read(v) ((v)->counter) |
| #define atomic_set(v, i) ((v)->counter = (i)) |
| #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) |
| #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) |
| #define atomic_dec_return(v) atomic_sub_return(1, (v)) |
| #define atomic_inc_return(v) atomic_add_return(1, (v)) |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) |
| #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) |
| #define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) |
| #define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v) |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #define atomic_inc(v) atomic_add(1, (v)) |
| #define atomic_dec(v) atomic_sub(1, (v)) |
| #define atomic_add_negative(i, v) (atomic_add_return(i, (v)) < 0) |
| #define smp_mb__before_atomic_dec() smp_llsc_mb() |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #define smp_mb__after_atomic_dec() smp_llsc_mb() |
| #define smp_mb__before_atomic_inc() smp_llsc_mb() |
| #define smp_mb__after_atomic_inc() smp_llsc_mb() |
| #include <asm-generic/atomic.h> |
| /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
| #endif |
