| // SPDX-License-Identifier: GPL-2.0 |
| |
| // Generated by scripts/atomic/gen-atomic-fallback.sh |
| // DO NOT MODIFY THIS FILE DIRECTLY |
| |
| #ifndef _LINUX_ATOMIC_FALLBACK_H |
| #define _LINUX_ATOMIC_FALLBACK_H |
| |
| #ifndef xchg_relaxed |
| #define xchg_relaxed xchg |
| #define xchg_acquire xchg |
| #define xchg_release xchg |
| #else /* xchg_relaxed */ |
| |
| #ifndef xchg_acquire |
| #define xchg_acquire(...) \ |
| __atomic_op_acquire(xchg, __VA_ARGS__) |
| #endif |
| |
| #ifndef xchg_release |
| #define xchg_release(...) \ |
| __atomic_op_release(xchg, __VA_ARGS__) |
| #endif |
| |
| #ifndef xchg |
| #define xchg(...) \ |
| __atomic_op_fence(xchg, __VA_ARGS__) |
| #endif |
| |
| #endif /* xchg_relaxed */ |
| |
| #ifndef cmpxchg_relaxed |
| #define cmpxchg_relaxed cmpxchg |
| #define cmpxchg_acquire cmpxchg |
| #define cmpxchg_release cmpxchg |
| #else /* cmpxchg_relaxed */ |
| |
| #ifndef cmpxchg_acquire |
| #define cmpxchg_acquire(...) \ |
| __atomic_op_acquire(cmpxchg, __VA_ARGS__) |
| #endif |
| |
| #ifndef cmpxchg_release |
| #define cmpxchg_release(...) \ |
| __atomic_op_release(cmpxchg, __VA_ARGS__) |
| #endif |
| |
| #ifndef cmpxchg |
| #define cmpxchg(...) \ |
| __atomic_op_fence(cmpxchg, __VA_ARGS__) |
| #endif |
| |
| #endif /* cmpxchg_relaxed */ |
| |
| #ifndef cmpxchg64_relaxed |
| #define cmpxchg64_relaxed cmpxchg64 |
| #define cmpxchg64_acquire cmpxchg64 |
| #define cmpxchg64_release cmpxchg64 |
| #else /* cmpxchg64_relaxed */ |
| |
| #ifndef cmpxchg64_acquire |
| #define cmpxchg64_acquire(...) \ |
| __atomic_op_acquire(cmpxchg64, __VA_ARGS__) |
| #endif |
| |
| #ifndef cmpxchg64_release |
| #define cmpxchg64_release(...) \ |
| __atomic_op_release(cmpxchg64, __VA_ARGS__) |
| #endif |
| |
| #ifndef cmpxchg64 |
| #define cmpxchg64(...) \ |
| __atomic_op_fence(cmpxchg64, __VA_ARGS__) |
| #endif |
| |
| #endif /* cmpxchg64_relaxed */ |
| |
| #ifndef atomic_read_acquire |
| static inline int |
| atomic_read_acquire(const atomic_t *v) |
| { |
| return smp_load_acquire(&(v)->counter); |
| } |
| #define atomic_read_acquire atomic_read_acquire |
| #endif |
| |
| #ifndef atomic_set_release |
| static inline void |
| atomic_set_release(atomic_t *v, int i) |
| { |
| smp_store_release(&(v)->counter, i); |
| } |
| #define atomic_set_release atomic_set_release |
| #endif |
| |
| #ifndef atomic_add_return_relaxed |
| #define atomic_add_return_acquire atomic_add_return |
| #define atomic_add_return_release atomic_add_return |
| #define atomic_add_return_relaxed atomic_add_return |
| #else /* atomic_add_return_relaxed */ |
| |
| #ifndef atomic_add_return_acquire |
| static inline int |
| atomic_add_return_acquire(int i, atomic_t *v) |
| { |
| int ret = atomic_add_return_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_add_return_acquire atomic_add_return_acquire |
| #endif |
| |
| #ifndef atomic_add_return_release |
| static inline int |
| atomic_add_return_release(int i, atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_add_return_relaxed(i, v); |
| } |
| #define atomic_add_return_release atomic_add_return_release |
| #endif |
| |
| #ifndef atomic_add_return |
| static inline int |
| atomic_add_return(int i, atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_add_return_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_add_return atomic_add_return |
| #endif |
| |
| #endif /* atomic_add_return_relaxed */ |
| |
| #ifndef atomic_fetch_add_relaxed |
| #define atomic_fetch_add_acquire atomic_fetch_add |
| #define atomic_fetch_add_release atomic_fetch_add |
| #define atomic_fetch_add_relaxed atomic_fetch_add |
| #else /* atomic_fetch_add_relaxed */ |
| |
| #ifndef atomic_fetch_add_acquire |
| static inline int |
| atomic_fetch_add_acquire(int i, atomic_t *v) |
| { |
| int ret = atomic_fetch_add_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_fetch_add_acquire atomic_fetch_add_acquire |
| #endif |
| |
| #ifndef atomic_fetch_add_release |
| static inline int |
| atomic_fetch_add_release(int i, atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_fetch_add_relaxed(i, v); |
| } |
| #define atomic_fetch_add_release atomic_fetch_add_release |
| #endif |
| |
| #ifndef atomic_fetch_add |
| static inline int |
| atomic_fetch_add(int i, atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_fetch_add_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_fetch_add atomic_fetch_add |
| #endif |
| |
| #endif /* atomic_fetch_add_relaxed */ |
| |
| #ifndef atomic_sub_return_relaxed |
| #define atomic_sub_return_acquire atomic_sub_return |
| #define atomic_sub_return_release atomic_sub_return |
| #define atomic_sub_return_relaxed atomic_sub_return |
| #else /* atomic_sub_return_relaxed */ |
| |
| #ifndef atomic_sub_return_acquire |
| static inline int |
| atomic_sub_return_acquire(int i, atomic_t *v) |
| { |
| int ret = atomic_sub_return_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_sub_return_acquire atomic_sub_return_acquire |
| #endif |
| |
| #ifndef atomic_sub_return_release |
| static inline int |
| atomic_sub_return_release(int i, atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_sub_return_relaxed(i, v); |
| } |
| #define atomic_sub_return_release atomic_sub_return_release |
| #endif |
| |
| #ifndef atomic_sub_return |
| static inline int |
| atomic_sub_return(int i, atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_sub_return_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_sub_return atomic_sub_return |
| #endif |
| |
| #endif /* atomic_sub_return_relaxed */ |
| |
| #ifndef atomic_fetch_sub_relaxed |
| #define atomic_fetch_sub_acquire atomic_fetch_sub |
| #define atomic_fetch_sub_release atomic_fetch_sub |
| #define atomic_fetch_sub_relaxed atomic_fetch_sub |
| #else /* atomic_fetch_sub_relaxed */ |
| |
| #ifndef atomic_fetch_sub_acquire |
| static inline int |
| atomic_fetch_sub_acquire(int i, atomic_t *v) |
| { |
| int ret = atomic_fetch_sub_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_fetch_sub_acquire atomic_fetch_sub_acquire |
| #endif |
| |
| #ifndef atomic_fetch_sub_release |
| static inline int |
| atomic_fetch_sub_release(int i, atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_fetch_sub_relaxed(i, v); |
| } |
| #define atomic_fetch_sub_release atomic_fetch_sub_release |
| #endif |
| |
| #ifndef atomic_fetch_sub |
| static inline int |
| atomic_fetch_sub(int i, atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_fetch_sub_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_fetch_sub atomic_fetch_sub |
| #endif |
| |
| #endif /* atomic_fetch_sub_relaxed */ |
| |
| #ifndef atomic_inc |
| static inline void |
| atomic_inc(atomic_t *v) |
| { |
| atomic_add(1, v); |
| } |
| #define atomic_inc atomic_inc |
| #endif |
| |
| #ifndef atomic_inc_return_relaxed |
| #ifdef atomic_inc_return |
| #define atomic_inc_return_acquire atomic_inc_return |
| #define atomic_inc_return_release atomic_inc_return |
| #define atomic_inc_return_relaxed atomic_inc_return |
| #endif /* atomic_inc_return */ |
| |
| #ifndef atomic_inc_return |
| static inline int |
| atomic_inc_return(atomic_t *v) |
| { |
| return atomic_add_return(1, v); |
| } |
| #define atomic_inc_return atomic_inc_return |
| #endif |
| |
| #ifndef atomic_inc_return_acquire |
| static inline int |
| atomic_inc_return_acquire(atomic_t *v) |
| { |
| return atomic_add_return_acquire(1, v); |
| } |
| #define atomic_inc_return_acquire atomic_inc_return_acquire |
| #endif |
| |
| #ifndef atomic_inc_return_release |
| static inline int |
| atomic_inc_return_release(atomic_t *v) |
| { |
| return atomic_add_return_release(1, v); |
| } |
| #define atomic_inc_return_release atomic_inc_return_release |
| #endif |
| |
| #ifndef atomic_inc_return_relaxed |
| static inline int |
| atomic_inc_return_relaxed(atomic_t *v) |
| { |
| return atomic_add_return_relaxed(1, v); |
| } |
| #define atomic_inc_return_relaxed atomic_inc_return_relaxed |
| #endif |
| |
| #else /* atomic_inc_return_relaxed */ |
| |
| #ifndef atomic_inc_return_acquire |
| static inline int |
| atomic_inc_return_acquire(atomic_t *v) |
| { |
| int ret = atomic_inc_return_relaxed(v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_inc_return_acquire atomic_inc_return_acquire |
| #endif |
| |
| #ifndef atomic_inc_return_release |
| static inline int |
| atomic_inc_return_release(atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_inc_return_relaxed(v); |
| } |
| #define atomic_inc_return_release atomic_inc_return_release |
| #endif |
| |
| #ifndef atomic_inc_return |
| static inline int |
| atomic_inc_return(atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_inc_return_relaxed(v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_inc_return atomic_inc_return |
| #endif |
| |
| #endif /* atomic_inc_return_relaxed */ |
| |
| #ifndef atomic_fetch_inc_relaxed |
| #ifdef atomic_fetch_inc |
| #define atomic_fetch_inc_acquire atomic_fetch_inc |
| #define atomic_fetch_inc_release atomic_fetch_inc |
| #define atomic_fetch_inc_relaxed atomic_fetch_inc |
| #endif /* atomic_fetch_inc */ |
| |
| #ifndef atomic_fetch_inc |
| static inline int |
| atomic_fetch_inc(atomic_t *v) |
| { |
| return atomic_fetch_add(1, v); |
| } |
| #define atomic_fetch_inc atomic_fetch_inc |
| #endif |
| |
| #ifndef atomic_fetch_inc_acquire |
| static inline int |
| atomic_fetch_inc_acquire(atomic_t *v) |
| { |
| return atomic_fetch_add_acquire(1, v); |
| } |
| #define atomic_fetch_inc_acquire atomic_fetch_inc_acquire |
| #endif |
| |
| #ifndef atomic_fetch_inc_release |
| static inline int |
| atomic_fetch_inc_release(atomic_t *v) |
| { |
| return atomic_fetch_add_release(1, v); |
| } |
| #define atomic_fetch_inc_release atomic_fetch_inc_release |
| #endif |
| |
| #ifndef atomic_fetch_inc_relaxed |
| static inline int |
| atomic_fetch_inc_relaxed(atomic_t *v) |
| { |
| return atomic_fetch_add_relaxed(1, v); |
| } |
| #define atomic_fetch_inc_relaxed atomic_fetch_inc_relaxed |
| #endif |
| |
| #else /* atomic_fetch_inc_relaxed */ |
| |
| #ifndef atomic_fetch_inc_acquire |
| static inline int |
| atomic_fetch_inc_acquire(atomic_t *v) |
| { |
| int ret = atomic_fetch_inc_relaxed(v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_fetch_inc_acquire atomic_fetch_inc_acquire |
| #endif |
| |
| #ifndef atomic_fetch_inc_release |
| static inline int |
| atomic_fetch_inc_release(atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_fetch_inc_relaxed(v); |
| } |
| #define atomic_fetch_inc_release atomic_fetch_inc_release |
| #endif |
| |
| #ifndef atomic_fetch_inc |
| static inline int |
| atomic_fetch_inc(atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_fetch_inc_relaxed(v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_fetch_inc atomic_fetch_inc |
| #endif |
| |
| #endif /* atomic_fetch_inc_relaxed */ |
| |
| #ifndef atomic_dec |
| static inline void |
| atomic_dec(atomic_t *v) |
| { |
| atomic_sub(1, v); |
| } |
| #define atomic_dec atomic_dec |
| #endif |
| |
| #ifndef atomic_dec_return_relaxed |
| #ifdef atomic_dec_return |
| #define atomic_dec_return_acquire atomic_dec_return |
| #define atomic_dec_return_release atomic_dec_return |
| #define atomic_dec_return_relaxed atomic_dec_return |
| #endif /* atomic_dec_return */ |
| |
| #ifndef atomic_dec_return |
| static inline int |
| atomic_dec_return(atomic_t *v) |
| { |
| return atomic_sub_return(1, v); |
| } |
| #define atomic_dec_return atomic_dec_return |
| #endif |
| |
| #ifndef atomic_dec_return_acquire |
| static inline int |
| atomic_dec_return_acquire(atomic_t *v) |
| { |
| return atomic_sub_return_acquire(1, v); |
| } |
| #define atomic_dec_return_acquire atomic_dec_return_acquire |
| #endif |
| |
| #ifndef atomic_dec_return_release |
| static inline int |
| atomic_dec_return_release(atomic_t *v) |
| { |
| return atomic_sub_return_release(1, v); |
| } |
| #define atomic_dec_return_release atomic_dec_return_release |
| #endif |
| |
| #ifndef atomic_dec_return_relaxed |
| static inline int |
| atomic_dec_return_relaxed(atomic_t *v) |
| { |
| return atomic_sub_return_relaxed(1, v); |
| } |
| #define atomic_dec_return_relaxed atomic_dec_return_relaxed |
| #endif |
| |
| #else /* atomic_dec_return_relaxed */ |
| |
| #ifndef atomic_dec_return_acquire |
| static inline int |
| atomic_dec_return_acquire(atomic_t *v) |
| { |
| int ret = atomic_dec_return_relaxed(v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_dec_return_acquire atomic_dec_return_acquire |
| #endif |
| |
| #ifndef atomic_dec_return_release |
| static inline int |
| atomic_dec_return_release(atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_dec_return_relaxed(v); |
| } |
| #define atomic_dec_return_release atomic_dec_return_release |
| #endif |
| |
| #ifndef atomic_dec_return |
| static inline int |
| atomic_dec_return(atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_dec_return_relaxed(v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_dec_return atomic_dec_return |
| #endif |
| |
| #endif /* atomic_dec_return_relaxed */ |
| |
| #ifndef atomic_fetch_dec_relaxed |
| #ifdef atomic_fetch_dec |
| #define atomic_fetch_dec_acquire atomic_fetch_dec |
| #define atomic_fetch_dec_release atomic_fetch_dec |
| #define atomic_fetch_dec_relaxed atomic_fetch_dec |
| #endif /* atomic_fetch_dec */ |
| |
| #ifndef atomic_fetch_dec |
| static inline int |
| atomic_fetch_dec(atomic_t *v) |
| { |
| return atomic_fetch_sub(1, v); |
| } |
| #define atomic_fetch_dec atomic_fetch_dec |
| #endif |
| |
| #ifndef atomic_fetch_dec_acquire |
| static inline int |
| atomic_fetch_dec_acquire(atomic_t *v) |
| { |
| return atomic_fetch_sub_acquire(1, v); |
| } |
| #define atomic_fetch_dec_acquire atomic_fetch_dec_acquire |
| #endif |
| |
| #ifndef atomic_fetch_dec_release |
| static inline int |
| atomic_fetch_dec_release(atomic_t *v) |
| { |
| return atomic_fetch_sub_release(1, v); |
| } |
| #define atomic_fetch_dec_release atomic_fetch_dec_release |
| #endif |
| |
| #ifndef atomic_fetch_dec_relaxed |
| static inline int |
| atomic_fetch_dec_relaxed(atomic_t *v) |
| { |
| return atomic_fetch_sub_relaxed(1, v); |
| } |
| #define atomic_fetch_dec_relaxed atomic_fetch_dec_relaxed |
| #endif |
| |
| #else /* atomic_fetch_dec_relaxed */ |
| |
| #ifndef atomic_fetch_dec_acquire |
| static inline int |
| atomic_fetch_dec_acquire(atomic_t *v) |
| { |
| int ret = atomic_fetch_dec_relaxed(v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_fetch_dec_acquire atomic_fetch_dec_acquire |
| #endif |
| |
| #ifndef atomic_fetch_dec_release |
| static inline int |
| atomic_fetch_dec_release(atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_fetch_dec_relaxed(v); |
| } |
| #define atomic_fetch_dec_release atomic_fetch_dec_release |
| #endif |
| |
| #ifndef atomic_fetch_dec |
| static inline int |
| atomic_fetch_dec(atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_fetch_dec_relaxed(v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_fetch_dec atomic_fetch_dec |
| #endif |
| |
| #endif /* atomic_fetch_dec_relaxed */ |
| |
| #ifndef atomic_fetch_and_relaxed |
| #define atomic_fetch_and_acquire atomic_fetch_and |
| #define atomic_fetch_and_release atomic_fetch_and |
| #define atomic_fetch_and_relaxed atomic_fetch_and |
| #else /* atomic_fetch_and_relaxed */ |
| |
| #ifndef atomic_fetch_and_acquire |
| static inline int |
| atomic_fetch_and_acquire(int i, atomic_t *v) |
| { |
| int ret = atomic_fetch_and_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_fetch_and_acquire atomic_fetch_and_acquire |
| #endif |
| |
| #ifndef atomic_fetch_and_release |
| static inline int |
| atomic_fetch_and_release(int i, atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_fetch_and_relaxed(i, v); |
| } |
| #define atomic_fetch_and_release atomic_fetch_and_release |
| #endif |
| |
| #ifndef atomic_fetch_and |
| static inline int |
| atomic_fetch_and(int i, atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_fetch_and_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_fetch_and atomic_fetch_and |
| #endif |
| |
| #endif /* atomic_fetch_and_relaxed */ |
| |
| #ifndef atomic_andnot |
| static inline void |
| atomic_andnot(int i, atomic_t *v) |
| { |
| atomic_and(~i, v); |
| } |
| #define atomic_andnot atomic_andnot |
| #endif |
| |
| #ifndef atomic_fetch_andnot_relaxed |
| #ifdef atomic_fetch_andnot |
| #define atomic_fetch_andnot_acquire atomic_fetch_andnot |
| #define atomic_fetch_andnot_release atomic_fetch_andnot |
| #define atomic_fetch_andnot_relaxed atomic_fetch_andnot |
| #endif /* atomic_fetch_andnot */ |
| |
| #ifndef atomic_fetch_andnot |
| static inline int |
| atomic_fetch_andnot(int i, atomic_t *v) |
| { |
| return atomic_fetch_and(~i, v); |
| } |
| #define atomic_fetch_andnot atomic_fetch_andnot |
| #endif |
| |
| #ifndef atomic_fetch_andnot_acquire |
| static inline int |
| atomic_fetch_andnot_acquire(int i, atomic_t *v) |
| { |
| return atomic_fetch_and_acquire(~i, v); |
| } |
| #define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire |
| #endif |
| |
| #ifndef atomic_fetch_andnot_release |
| static inline int |
| atomic_fetch_andnot_release(int i, atomic_t *v) |
| { |
| return atomic_fetch_and_release(~i, v); |
| } |
| #define atomic_fetch_andnot_release atomic_fetch_andnot_release |
| #endif |
| |
| #ifndef atomic_fetch_andnot_relaxed |
| static inline int |
| atomic_fetch_andnot_relaxed(int i, atomic_t *v) |
| { |
| return atomic_fetch_and_relaxed(~i, v); |
| } |
| #define atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed |
| #endif |
| |
| #else /* atomic_fetch_andnot_relaxed */ |
| |
| #ifndef atomic_fetch_andnot_acquire |
| static inline int |
| atomic_fetch_andnot_acquire(int i, atomic_t *v) |
| { |
| int ret = atomic_fetch_andnot_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire |
| #endif |
| |
| #ifndef atomic_fetch_andnot_release |
| static inline int |
| atomic_fetch_andnot_release(int i, atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_fetch_andnot_relaxed(i, v); |
| } |
| #define atomic_fetch_andnot_release atomic_fetch_andnot_release |
| #endif |
| |
| #ifndef atomic_fetch_andnot |
| static inline int |
| atomic_fetch_andnot(int i, atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_fetch_andnot_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_fetch_andnot atomic_fetch_andnot |
| #endif |
| |
| #endif /* atomic_fetch_andnot_relaxed */ |
| |
| #ifndef atomic_fetch_or_relaxed |
| #define atomic_fetch_or_acquire atomic_fetch_or |
| #define atomic_fetch_or_release atomic_fetch_or |
| #define atomic_fetch_or_relaxed atomic_fetch_or |
| #else /* atomic_fetch_or_relaxed */ |
| |
| #ifndef atomic_fetch_or_acquire |
| static inline int |
| atomic_fetch_or_acquire(int i, atomic_t *v) |
| { |
| int ret = atomic_fetch_or_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_fetch_or_acquire atomic_fetch_or_acquire |
| #endif |
| |
| #ifndef atomic_fetch_or_release |
| static inline int |
| atomic_fetch_or_release(int i, atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_fetch_or_relaxed(i, v); |
| } |
| #define atomic_fetch_or_release atomic_fetch_or_release |
| #endif |
| |
| #ifndef atomic_fetch_or |
| static inline int |
| atomic_fetch_or(int i, atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_fetch_or_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_fetch_or atomic_fetch_or |
| #endif |
| |
| #endif /* atomic_fetch_or_relaxed */ |
| |
| #ifndef atomic_fetch_xor_relaxed |
| #define atomic_fetch_xor_acquire atomic_fetch_xor |
| #define atomic_fetch_xor_release atomic_fetch_xor |
| #define atomic_fetch_xor_relaxed atomic_fetch_xor |
| #else /* atomic_fetch_xor_relaxed */ |
| |
| #ifndef atomic_fetch_xor_acquire |
| static inline int |
| atomic_fetch_xor_acquire(int i, atomic_t *v) |
| { |
| int ret = atomic_fetch_xor_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_fetch_xor_acquire atomic_fetch_xor_acquire |
| #endif |
| |
| #ifndef atomic_fetch_xor_release |
| static inline int |
| atomic_fetch_xor_release(int i, atomic_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic_fetch_xor_relaxed(i, v); |
| } |
| #define atomic_fetch_xor_release atomic_fetch_xor_release |
| #endif |
| |
| #ifndef atomic_fetch_xor |
| static inline int |
| atomic_fetch_xor(int i, atomic_t *v) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_fetch_xor_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_fetch_xor atomic_fetch_xor |
| #endif |
| |
| #endif /* atomic_fetch_xor_relaxed */ |
| |
| #ifndef atomic_xchg_relaxed |
| #define atomic_xchg_acquire atomic_xchg |
| #define atomic_xchg_release atomic_xchg |
| #define atomic_xchg_relaxed atomic_xchg |
| #else /* atomic_xchg_relaxed */ |
| |
| #ifndef atomic_xchg_acquire |
| static inline int |
| atomic_xchg_acquire(atomic_t *v, int i) |
| { |
| int ret = atomic_xchg_relaxed(v, i); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_xchg_acquire atomic_xchg_acquire |
| #endif |
| |
| #ifndef atomic_xchg_release |
| static inline int |
| atomic_xchg_release(atomic_t *v, int i) |
| { |
| __atomic_release_fence(); |
| return atomic_xchg_relaxed(v, i); |
| } |
| #define atomic_xchg_release atomic_xchg_release |
| #endif |
| |
| #ifndef atomic_xchg |
| static inline int |
| atomic_xchg(atomic_t *v, int i) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_xchg_relaxed(v, i); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_xchg atomic_xchg |
| #endif |
| |
| #endif /* atomic_xchg_relaxed */ |
| |
| #ifndef atomic_cmpxchg_relaxed |
| #define atomic_cmpxchg_acquire atomic_cmpxchg |
| #define atomic_cmpxchg_release atomic_cmpxchg |
| #define atomic_cmpxchg_relaxed atomic_cmpxchg |
| #else /* atomic_cmpxchg_relaxed */ |
| |
| #ifndef atomic_cmpxchg_acquire |
| static inline int |
| atomic_cmpxchg_acquire(atomic_t *v, int old, int new) |
| { |
| int ret = atomic_cmpxchg_relaxed(v, old, new); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_cmpxchg_acquire atomic_cmpxchg_acquire |
| #endif |
| |
| #ifndef atomic_cmpxchg_release |
| static inline int |
| atomic_cmpxchg_release(atomic_t *v, int old, int new) |
| { |
| __atomic_release_fence(); |
| return atomic_cmpxchg_relaxed(v, old, new); |
| } |
| #define atomic_cmpxchg_release atomic_cmpxchg_release |
| #endif |
| |
| #ifndef atomic_cmpxchg |
| static inline int |
| atomic_cmpxchg(atomic_t *v, int old, int new) |
| { |
| int ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_cmpxchg_relaxed(v, old, new); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_cmpxchg atomic_cmpxchg |
| #endif |
| |
| #endif /* atomic_cmpxchg_relaxed */ |
| |
| #ifndef atomic_try_cmpxchg_relaxed |
| #ifdef atomic_try_cmpxchg |
| #define atomic_try_cmpxchg_acquire atomic_try_cmpxchg |
| #define atomic_try_cmpxchg_release atomic_try_cmpxchg |
| #define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg |
| #endif /* atomic_try_cmpxchg */ |
| |
| #ifndef atomic_try_cmpxchg |
| static inline bool |
| atomic_try_cmpxchg(atomic_t *v, int *old, int new) |
| { |
| int r, o = *old; |
| r = atomic_cmpxchg(v, o, new); |
| if (unlikely(r != o)) |
| *old = r; |
| return likely(r == o); |
| } |
| #define atomic_try_cmpxchg atomic_try_cmpxchg |
| #endif |
| |
| #ifndef atomic_try_cmpxchg_acquire |
| static inline bool |
| atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) |
| { |
| int r, o = *old; |
| r = atomic_cmpxchg_acquire(v, o, new); |
| if (unlikely(r != o)) |
| *old = r; |
| return likely(r == o); |
| } |
| #define atomic_try_cmpxchg_acquire atomic_try_cmpxchg_acquire |
| #endif |
| |
| #ifndef atomic_try_cmpxchg_release |
| static inline bool |
| atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) |
| { |
| int r, o = *old; |
| r = atomic_cmpxchg_release(v, o, new); |
| if (unlikely(r != o)) |
| *old = r; |
| return likely(r == o); |
| } |
| #define atomic_try_cmpxchg_release atomic_try_cmpxchg_release |
| #endif |
| |
| #ifndef atomic_try_cmpxchg_relaxed |
| static inline bool |
| atomic_try_cmpxchg_relaxed(atomic_t *v, int *old, int new) |
| { |
| int r, o = *old; |
| r = atomic_cmpxchg_relaxed(v, o, new); |
| if (unlikely(r != o)) |
| *old = r; |
| return likely(r == o); |
| } |
| #define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg_relaxed |
| #endif |
| |
| #else /* atomic_try_cmpxchg_relaxed */ |
| |
| #ifndef atomic_try_cmpxchg_acquire |
| static inline bool |
| atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) |
| { |
| bool ret = atomic_try_cmpxchg_relaxed(v, old, new); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic_try_cmpxchg_acquire atomic_try_cmpxchg_acquire |
| #endif |
| |
| #ifndef atomic_try_cmpxchg_release |
| static inline bool |
| atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) |
| { |
| __atomic_release_fence(); |
| return atomic_try_cmpxchg_relaxed(v, old, new); |
| } |
| #define atomic_try_cmpxchg_release atomic_try_cmpxchg_release |
| #endif |
| |
| #ifndef atomic_try_cmpxchg |
| static inline bool |
| atomic_try_cmpxchg(atomic_t *v, int *old, int new) |
| { |
| bool ret; |
| __atomic_pre_full_fence(); |
| ret = atomic_try_cmpxchg_relaxed(v, old, new); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic_try_cmpxchg atomic_try_cmpxchg |
| #endif |
| |
| #endif /* atomic_try_cmpxchg_relaxed */ |
| |
| #ifndef atomic_sub_and_test |
| /** |
| * atomic_sub_and_test - subtract value from variable and test result |
| * @i: integer value to subtract |
| * @v: pointer of type atomic_t |
| * |
| * Atomically subtracts @i from @v and returns |
| * true if the result is zero, or false for all |
| * other cases. |
| */ |
| static inline bool |
| atomic_sub_and_test(int i, atomic_t *v) |
| { |
| return atomic_sub_return(i, v) == 0; |
| } |
| #define atomic_sub_and_test atomic_sub_and_test |
| #endif |
| |
| #ifndef atomic_dec_and_test |
| /** |
| * atomic_dec_and_test - decrement and test |
| * @v: pointer of type atomic_t |
| * |
| * Atomically decrements @v by 1 and |
| * returns true if the result is 0, or false for all other |
| * cases. |
| */ |
| static inline bool |
| atomic_dec_and_test(atomic_t *v) |
| { |
| return atomic_dec_return(v) == 0; |
| } |
| #define atomic_dec_and_test atomic_dec_and_test |
| #endif |
| |
| #ifndef atomic_inc_and_test |
| /** |
| * atomic_inc_and_test - increment and test |
| * @v: pointer of type atomic_t |
| * |
| * Atomically increments @v by 1 |
| * and returns true if the result is zero, or false for all |
| * other cases. |
| */ |
| static inline bool |
| atomic_inc_and_test(atomic_t *v) |
| { |
| return atomic_inc_return(v) == 0; |
| } |
| #define atomic_inc_and_test atomic_inc_and_test |
| #endif |
| |
| #ifndef atomic_add_negative |
| /** |
| * atomic_add_negative - add and test if negative |
| * @i: integer value to add |
| * @v: pointer of type atomic_t |
| * |
| * Atomically adds @i to @v and returns true |
| * if the result is negative, or false when |
| * result is greater than or equal to zero. |
| */ |
| static inline bool |
| atomic_add_negative(int i, atomic_t *v) |
| { |
| return atomic_add_return(i, v) < 0; |
| } |
| #define atomic_add_negative atomic_add_negative |
| #endif |
| |
| #ifndef atomic_fetch_add_unless |
| /** |
| * atomic_fetch_add_unless - add unless the number is already a given value |
| * @v: pointer of type atomic_t |
| * @a: the amount to add to v... |
| * @u: ...unless v is equal to u. |
| * |
| * Atomically adds @a to @v, so long as @v was not already @u. |
| * Returns original value of @v |
| */ |
| static inline int |
| atomic_fetch_add_unless(atomic_t *v, int a, int u) |
| { |
| int c = atomic_read(v); |
| |
| do { |
| if (unlikely(c == u)) |
| break; |
| } while (!atomic_try_cmpxchg(v, &c, c + a)); |
| |
| return c; |
| } |
| #define atomic_fetch_add_unless atomic_fetch_add_unless |
| #endif |
| |
| #ifndef atomic_add_unless |
| /** |
| * atomic_add_unless - add unless the number is already a given value |
| * @v: pointer of type atomic_t |
| * @a: the amount to add to v... |
| * @u: ...unless v is equal to u. |
| * |
| * Atomically adds @a to @v, if @v was not already @u. |
| * Returns true if the addition was done. |
| */ |
| static inline bool |
| atomic_add_unless(atomic_t *v, int a, int u) |
| { |
| return atomic_fetch_add_unless(v, a, u) != u; |
| } |
| #define atomic_add_unless atomic_add_unless |
| #endif |
| |
| #ifndef atomic_inc_not_zero |
| /** |
| * atomic_inc_not_zero - increment unless the number is zero |
| * @v: pointer of type atomic_t |
| * |
| * Atomically increments @v by 1, if @v is non-zero. |
| * Returns true if the increment was done. |
| */ |
| static inline bool |
| atomic_inc_not_zero(atomic_t *v) |
| { |
| return atomic_add_unless(v, 1, 0); |
| } |
| #define atomic_inc_not_zero atomic_inc_not_zero |
| #endif |
| |
| #ifndef atomic_inc_unless_negative |
| static inline bool |
| atomic_inc_unless_negative(atomic_t *v) |
| { |
| int c = atomic_read(v); |
| |
| do { |
| if (unlikely(c < 0)) |
| return false; |
| } while (!atomic_try_cmpxchg(v, &c, c + 1)); |
| |
| return true; |
| } |
| #define atomic_inc_unless_negative atomic_inc_unless_negative |
| #endif |
| |
| #ifndef atomic_dec_unless_positive |
| static inline bool |
| atomic_dec_unless_positive(atomic_t *v) |
| { |
| int c = atomic_read(v); |
| |
| do { |
| if (unlikely(c > 0)) |
| return false; |
| } while (!atomic_try_cmpxchg(v, &c, c - 1)); |
| |
| return true; |
| } |
| #define atomic_dec_unless_positive atomic_dec_unless_positive |
| #endif |
| |
| #ifndef atomic_dec_if_positive |
| static inline int |
| atomic_dec_if_positive(atomic_t *v) |
| { |
| int dec, c = atomic_read(v); |
| |
| do { |
| dec = c - 1; |
| if (unlikely(dec < 0)) |
| break; |
| } while (!atomic_try_cmpxchg(v, &c, dec)); |
| |
| return dec; |
| } |
| #define atomic_dec_if_positive atomic_dec_if_positive |
| #endif |
| |
| #define atomic_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c)) |
| #define atomic_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c)) |
| |
| #ifdef CONFIG_GENERIC_ATOMIC64 |
| #include <asm-generic/atomic64.h> |
| #endif |
| |
| #ifndef atomic64_read_acquire |
| static inline s64 |
| atomic64_read_acquire(const atomic64_t *v) |
| { |
| return smp_load_acquire(&(v)->counter); |
| } |
| #define atomic64_read_acquire atomic64_read_acquire |
| #endif |
| |
| #ifndef atomic64_set_release |
| static inline void |
| atomic64_set_release(atomic64_t *v, s64 i) |
| { |
| smp_store_release(&(v)->counter, i); |
| } |
| #define atomic64_set_release atomic64_set_release |
| #endif |
| |
| #ifndef atomic64_add_return_relaxed |
| #define atomic64_add_return_acquire atomic64_add_return |
| #define atomic64_add_return_release atomic64_add_return |
| #define atomic64_add_return_relaxed atomic64_add_return |
| #else /* atomic64_add_return_relaxed */ |
| |
| #ifndef atomic64_add_return_acquire |
| static inline s64 |
| atomic64_add_return_acquire(s64 i, atomic64_t *v) |
| { |
| s64 ret = atomic64_add_return_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_add_return_acquire atomic64_add_return_acquire |
| #endif |
| |
| #ifndef atomic64_add_return_release |
| static inline s64 |
| atomic64_add_return_release(s64 i, atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_add_return_relaxed(i, v); |
| } |
| #define atomic64_add_return_release atomic64_add_return_release |
| #endif |
| |
| #ifndef atomic64_add_return |
| static inline s64 |
| atomic64_add_return(s64 i, atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_add_return_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_add_return atomic64_add_return |
| #endif |
| |
| #endif /* atomic64_add_return_relaxed */ |
| |
| #ifndef atomic64_fetch_add_relaxed |
| #define atomic64_fetch_add_acquire atomic64_fetch_add |
| #define atomic64_fetch_add_release atomic64_fetch_add |
| #define atomic64_fetch_add_relaxed atomic64_fetch_add |
| #else /* atomic64_fetch_add_relaxed */ |
| |
| #ifndef atomic64_fetch_add_acquire |
| static inline s64 |
| atomic64_fetch_add_acquire(s64 i, atomic64_t *v) |
| { |
| s64 ret = atomic64_fetch_add_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_add_acquire atomic64_fetch_add_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_add_release |
| static inline s64 |
| atomic64_fetch_add_release(s64 i, atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_fetch_add_relaxed(i, v); |
| } |
| #define atomic64_fetch_add_release atomic64_fetch_add_release |
| #endif |
| |
| #ifndef atomic64_fetch_add |
| static inline s64 |
| atomic64_fetch_add(s64 i, atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_fetch_add_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_add atomic64_fetch_add |
| #endif |
| |
| #endif /* atomic64_fetch_add_relaxed */ |
| |
| #ifndef atomic64_sub_return_relaxed |
| #define atomic64_sub_return_acquire atomic64_sub_return |
| #define atomic64_sub_return_release atomic64_sub_return |
| #define atomic64_sub_return_relaxed atomic64_sub_return |
| #else /* atomic64_sub_return_relaxed */ |
| |
| #ifndef atomic64_sub_return_acquire |
| static inline s64 |
| atomic64_sub_return_acquire(s64 i, atomic64_t *v) |
| { |
| s64 ret = atomic64_sub_return_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_sub_return_acquire atomic64_sub_return_acquire |
| #endif |
| |
| #ifndef atomic64_sub_return_release |
| static inline s64 |
| atomic64_sub_return_release(s64 i, atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_sub_return_relaxed(i, v); |
| } |
| #define atomic64_sub_return_release atomic64_sub_return_release |
| #endif |
| |
| #ifndef atomic64_sub_return |
| static inline s64 |
| atomic64_sub_return(s64 i, atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_sub_return_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_sub_return atomic64_sub_return |
| #endif |
| |
| #endif /* atomic64_sub_return_relaxed */ |
| |
| #ifndef atomic64_fetch_sub_relaxed |
| #define atomic64_fetch_sub_acquire atomic64_fetch_sub |
| #define atomic64_fetch_sub_release atomic64_fetch_sub |
| #define atomic64_fetch_sub_relaxed atomic64_fetch_sub |
| #else /* atomic64_fetch_sub_relaxed */ |
| |
| #ifndef atomic64_fetch_sub_acquire |
| static inline s64 |
| atomic64_fetch_sub_acquire(s64 i, atomic64_t *v) |
| { |
| s64 ret = atomic64_fetch_sub_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_sub_acquire atomic64_fetch_sub_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_sub_release |
| static inline s64 |
| atomic64_fetch_sub_release(s64 i, atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_fetch_sub_relaxed(i, v); |
| } |
| #define atomic64_fetch_sub_release atomic64_fetch_sub_release |
| #endif |
| |
| #ifndef atomic64_fetch_sub |
| static inline s64 |
| atomic64_fetch_sub(s64 i, atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_fetch_sub_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_sub atomic64_fetch_sub |
| #endif |
| |
| #endif /* atomic64_fetch_sub_relaxed */ |
| |
| #ifndef atomic64_inc |
| static inline void |
| atomic64_inc(atomic64_t *v) |
| { |
| atomic64_add(1, v); |
| } |
| #define atomic64_inc atomic64_inc |
| #endif |
| |
| #ifndef atomic64_inc_return_relaxed |
| #ifdef atomic64_inc_return |
| #define atomic64_inc_return_acquire atomic64_inc_return |
| #define atomic64_inc_return_release atomic64_inc_return |
| #define atomic64_inc_return_relaxed atomic64_inc_return |
| #endif /* atomic64_inc_return */ |
| |
| #ifndef atomic64_inc_return |
| static inline s64 |
| atomic64_inc_return(atomic64_t *v) |
| { |
| return atomic64_add_return(1, v); |
| } |
| #define atomic64_inc_return atomic64_inc_return |
| #endif |
| |
| #ifndef atomic64_inc_return_acquire |
| static inline s64 |
| atomic64_inc_return_acquire(atomic64_t *v) |
| { |
| return atomic64_add_return_acquire(1, v); |
| } |
| #define atomic64_inc_return_acquire atomic64_inc_return_acquire |
| #endif |
| |
| #ifndef atomic64_inc_return_release |
| static inline s64 |
| atomic64_inc_return_release(atomic64_t *v) |
| { |
| return atomic64_add_return_release(1, v); |
| } |
| #define atomic64_inc_return_release atomic64_inc_return_release |
| #endif |
| |
| #ifndef atomic64_inc_return_relaxed |
| static inline s64 |
| atomic64_inc_return_relaxed(atomic64_t *v) |
| { |
| return atomic64_add_return_relaxed(1, v); |
| } |
| #define atomic64_inc_return_relaxed atomic64_inc_return_relaxed |
| #endif |
| |
| #else /* atomic64_inc_return_relaxed */ |
| |
| #ifndef atomic64_inc_return_acquire |
| static inline s64 |
| atomic64_inc_return_acquire(atomic64_t *v) |
| { |
| s64 ret = atomic64_inc_return_relaxed(v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_inc_return_acquire atomic64_inc_return_acquire |
| #endif |
| |
| #ifndef atomic64_inc_return_release |
| static inline s64 |
| atomic64_inc_return_release(atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_inc_return_relaxed(v); |
| } |
| #define atomic64_inc_return_release atomic64_inc_return_release |
| #endif |
| |
| #ifndef atomic64_inc_return |
| static inline s64 |
| atomic64_inc_return(atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_inc_return_relaxed(v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_inc_return atomic64_inc_return |
| #endif |
| |
| #endif /* atomic64_inc_return_relaxed */ |
| |
| #ifndef atomic64_fetch_inc_relaxed |
| #ifdef atomic64_fetch_inc |
| #define atomic64_fetch_inc_acquire atomic64_fetch_inc |
| #define atomic64_fetch_inc_release atomic64_fetch_inc |
| #define atomic64_fetch_inc_relaxed atomic64_fetch_inc |
| #endif /* atomic64_fetch_inc */ |
| |
| #ifndef atomic64_fetch_inc |
| static inline s64 |
| atomic64_fetch_inc(atomic64_t *v) |
| { |
| return atomic64_fetch_add(1, v); |
| } |
| #define atomic64_fetch_inc atomic64_fetch_inc |
| #endif |
| |
| #ifndef atomic64_fetch_inc_acquire |
| static inline s64 |
| atomic64_fetch_inc_acquire(atomic64_t *v) |
| { |
| return atomic64_fetch_add_acquire(1, v); |
| } |
| #define atomic64_fetch_inc_acquire atomic64_fetch_inc_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_inc_release |
| static inline s64 |
| atomic64_fetch_inc_release(atomic64_t *v) |
| { |
| return atomic64_fetch_add_release(1, v); |
| } |
| #define atomic64_fetch_inc_release atomic64_fetch_inc_release |
| #endif |
| |
| #ifndef atomic64_fetch_inc_relaxed |
| static inline s64 |
| atomic64_fetch_inc_relaxed(atomic64_t *v) |
| { |
| return atomic64_fetch_add_relaxed(1, v); |
| } |
| #define atomic64_fetch_inc_relaxed atomic64_fetch_inc_relaxed |
| #endif |
| |
| #else /* atomic64_fetch_inc_relaxed */ |
| |
| #ifndef atomic64_fetch_inc_acquire |
| static inline s64 |
| atomic64_fetch_inc_acquire(atomic64_t *v) |
| { |
| s64 ret = atomic64_fetch_inc_relaxed(v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_inc_acquire atomic64_fetch_inc_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_inc_release |
| static inline s64 |
| atomic64_fetch_inc_release(atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_fetch_inc_relaxed(v); |
| } |
| #define atomic64_fetch_inc_release atomic64_fetch_inc_release |
| #endif |
| |
| #ifndef atomic64_fetch_inc |
| static inline s64 |
| atomic64_fetch_inc(atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_fetch_inc_relaxed(v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_inc atomic64_fetch_inc |
| #endif |
| |
| #endif /* atomic64_fetch_inc_relaxed */ |
| |
| #ifndef atomic64_dec |
| static inline void |
| atomic64_dec(atomic64_t *v) |
| { |
| atomic64_sub(1, v); |
| } |
| #define atomic64_dec atomic64_dec |
| #endif |
| |
| #ifndef atomic64_dec_return_relaxed |
| #ifdef atomic64_dec_return |
| #define atomic64_dec_return_acquire atomic64_dec_return |
| #define atomic64_dec_return_release atomic64_dec_return |
| #define atomic64_dec_return_relaxed atomic64_dec_return |
| #endif /* atomic64_dec_return */ |
| |
| #ifndef atomic64_dec_return |
| static inline s64 |
| atomic64_dec_return(atomic64_t *v) |
| { |
| return atomic64_sub_return(1, v); |
| } |
| #define atomic64_dec_return atomic64_dec_return |
| #endif |
| |
| #ifndef atomic64_dec_return_acquire |
| static inline s64 |
| atomic64_dec_return_acquire(atomic64_t *v) |
| { |
| return atomic64_sub_return_acquire(1, v); |
| } |
| #define atomic64_dec_return_acquire atomic64_dec_return_acquire |
| #endif |
| |
| #ifndef atomic64_dec_return_release |
| static inline s64 |
| atomic64_dec_return_release(atomic64_t *v) |
| { |
| return atomic64_sub_return_release(1, v); |
| } |
| #define atomic64_dec_return_release atomic64_dec_return_release |
| #endif |
| |
| #ifndef atomic64_dec_return_relaxed |
| static inline s64 |
| atomic64_dec_return_relaxed(atomic64_t *v) |
| { |
| return atomic64_sub_return_relaxed(1, v); |
| } |
| #define atomic64_dec_return_relaxed atomic64_dec_return_relaxed |
| #endif |
| |
| #else /* atomic64_dec_return_relaxed */ |
| |
| #ifndef atomic64_dec_return_acquire |
| static inline s64 |
| atomic64_dec_return_acquire(atomic64_t *v) |
| { |
| s64 ret = atomic64_dec_return_relaxed(v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_dec_return_acquire atomic64_dec_return_acquire |
| #endif |
| |
| #ifndef atomic64_dec_return_release |
| static inline s64 |
| atomic64_dec_return_release(atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_dec_return_relaxed(v); |
| } |
| #define atomic64_dec_return_release atomic64_dec_return_release |
| #endif |
| |
| #ifndef atomic64_dec_return |
| static inline s64 |
| atomic64_dec_return(atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_dec_return_relaxed(v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_dec_return atomic64_dec_return |
| #endif |
| |
| #endif /* atomic64_dec_return_relaxed */ |
| |
| #ifndef atomic64_fetch_dec_relaxed |
| #ifdef atomic64_fetch_dec |
| #define atomic64_fetch_dec_acquire atomic64_fetch_dec |
| #define atomic64_fetch_dec_release atomic64_fetch_dec |
| #define atomic64_fetch_dec_relaxed atomic64_fetch_dec |
| #endif /* atomic64_fetch_dec */ |
| |
| #ifndef atomic64_fetch_dec |
| static inline s64 |
| atomic64_fetch_dec(atomic64_t *v) |
| { |
| return atomic64_fetch_sub(1, v); |
| } |
| #define atomic64_fetch_dec atomic64_fetch_dec |
| #endif |
| |
| #ifndef atomic64_fetch_dec_acquire |
| static inline s64 |
| atomic64_fetch_dec_acquire(atomic64_t *v) |
| { |
| return atomic64_fetch_sub_acquire(1, v); |
| } |
| #define atomic64_fetch_dec_acquire atomic64_fetch_dec_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_dec_release |
| static inline s64 |
| atomic64_fetch_dec_release(atomic64_t *v) |
| { |
| return atomic64_fetch_sub_release(1, v); |
| } |
| #define atomic64_fetch_dec_release atomic64_fetch_dec_release |
| #endif |
| |
| #ifndef atomic64_fetch_dec_relaxed |
| static inline s64 |
| atomic64_fetch_dec_relaxed(atomic64_t *v) |
| { |
| return atomic64_fetch_sub_relaxed(1, v); |
| } |
| #define atomic64_fetch_dec_relaxed atomic64_fetch_dec_relaxed |
| #endif |
| |
| #else /* atomic64_fetch_dec_relaxed */ |
| |
| #ifndef atomic64_fetch_dec_acquire |
| static inline s64 |
| atomic64_fetch_dec_acquire(atomic64_t *v) |
| { |
| s64 ret = atomic64_fetch_dec_relaxed(v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_dec_acquire atomic64_fetch_dec_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_dec_release |
| static inline s64 |
| atomic64_fetch_dec_release(atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_fetch_dec_relaxed(v); |
| } |
| #define atomic64_fetch_dec_release atomic64_fetch_dec_release |
| #endif |
| |
| #ifndef atomic64_fetch_dec |
| static inline s64 |
| atomic64_fetch_dec(atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_fetch_dec_relaxed(v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_dec atomic64_fetch_dec |
| #endif |
| |
| #endif /* atomic64_fetch_dec_relaxed */ |
| |
| #ifndef atomic64_fetch_and_relaxed |
| #define atomic64_fetch_and_acquire atomic64_fetch_and |
| #define atomic64_fetch_and_release atomic64_fetch_and |
| #define atomic64_fetch_and_relaxed atomic64_fetch_and |
| #else /* atomic64_fetch_and_relaxed */ |
| |
| #ifndef atomic64_fetch_and_acquire |
| static inline s64 |
| atomic64_fetch_and_acquire(s64 i, atomic64_t *v) |
| { |
| s64 ret = atomic64_fetch_and_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_and_acquire atomic64_fetch_and_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_and_release |
| static inline s64 |
| atomic64_fetch_and_release(s64 i, atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_fetch_and_relaxed(i, v); |
| } |
| #define atomic64_fetch_and_release atomic64_fetch_and_release |
| #endif |
| |
| #ifndef atomic64_fetch_and |
| static inline s64 |
| atomic64_fetch_and(s64 i, atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_fetch_and_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_and atomic64_fetch_and |
| #endif |
| |
| #endif /* atomic64_fetch_and_relaxed */ |
| |
| #ifndef atomic64_andnot |
| static inline void |
| atomic64_andnot(s64 i, atomic64_t *v) |
| { |
| atomic64_and(~i, v); |
| } |
| #define atomic64_andnot atomic64_andnot |
| #endif |
| |
| #ifndef atomic64_fetch_andnot_relaxed |
| #ifdef atomic64_fetch_andnot |
| #define atomic64_fetch_andnot_acquire atomic64_fetch_andnot |
| #define atomic64_fetch_andnot_release atomic64_fetch_andnot |
| #define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot |
| #endif /* atomic64_fetch_andnot */ |
| |
| #ifndef atomic64_fetch_andnot |
| static inline s64 |
| atomic64_fetch_andnot(s64 i, atomic64_t *v) |
| { |
| return atomic64_fetch_and(~i, v); |
| } |
| #define atomic64_fetch_andnot atomic64_fetch_andnot |
| #endif |
| |
| #ifndef atomic64_fetch_andnot_acquire |
| static inline s64 |
| atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) |
| { |
| return atomic64_fetch_and_acquire(~i, v); |
| } |
| #define atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_andnot_release |
| static inline s64 |
| atomic64_fetch_andnot_release(s64 i, atomic64_t *v) |
| { |
| return atomic64_fetch_and_release(~i, v); |
| } |
| #define atomic64_fetch_andnot_release atomic64_fetch_andnot_release |
| #endif |
| |
| #ifndef atomic64_fetch_andnot_relaxed |
| static inline s64 |
| atomic64_fetch_andnot_relaxed(s64 i, atomic64_t *v) |
| { |
| return atomic64_fetch_and_relaxed(~i, v); |
| } |
| #define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot_relaxed |
| #endif |
| |
| #else /* atomic64_fetch_andnot_relaxed */ |
| |
| #ifndef atomic64_fetch_andnot_acquire |
| static inline s64 |
| atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) |
| { |
| s64 ret = atomic64_fetch_andnot_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_andnot_release |
| static inline s64 |
| atomic64_fetch_andnot_release(s64 i, atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_fetch_andnot_relaxed(i, v); |
| } |
| #define atomic64_fetch_andnot_release atomic64_fetch_andnot_release |
| #endif |
| |
| #ifndef atomic64_fetch_andnot |
| static inline s64 |
| atomic64_fetch_andnot(s64 i, atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_fetch_andnot_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_andnot atomic64_fetch_andnot |
| #endif |
| |
| #endif /* atomic64_fetch_andnot_relaxed */ |
| |
| #ifndef atomic64_fetch_or_relaxed |
| #define atomic64_fetch_or_acquire atomic64_fetch_or |
| #define atomic64_fetch_or_release atomic64_fetch_or |
| #define atomic64_fetch_or_relaxed atomic64_fetch_or |
| #else /* atomic64_fetch_or_relaxed */ |
| |
| #ifndef atomic64_fetch_or_acquire |
| static inline s64 |
| atomic64_fetch_or_acquire(s64 i, atomic64_t *v) |
| { |
| s64 ret = atomic64_fetch_or_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_or_acquire atomic64_fetch_or_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_or_release |
| static inline s64 |
| atomic64_fetch_or_release(s64 i, atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_fetch_or_relaxed(i, v); |
| } |
| #define atomic64_fetch_or_release atomic64_fetch_or_release |
| #endif |
| |
| #ifndef atomic64_fetch_or |
| static inline s64 |
| atomic64_fetch_or(s64 i, atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_fetch_or_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_or atomic64_fetch_or |
| #endif |
| |
| #endif /* atomic64_fetch_or_relaxed */ |
| |
| #ifndef atomic64_fetch_xor_relaxed |
| #define atomic64_fetch_xor_acquire atomic64_fetch_xor |
| #define atomic64_fetch_xor_release atomic64_fetch_xor |
| #define atomic64_fetch_xor_relaxed atomic64_fetch_xor |
| #else /* atomic64_fetch_xor_relaxed */ |
| |
| #ifndef atomic64_fetch_xor_acquire |
| static inline s64 |
| atomic64_fetch_xor_acquire(s64 i, atomic64_t *v) |
| { |
| s64 ret = atomic64_fetch_xor_relaxed(i, v); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_xor_acquire atomic64_fetch_xor_acquire |
| #endif |
| |
| #ifndef atomic64_fetch_xor_release |
| static inline s64 |
| atomic64_fetch_xor_release(s64 i, atomic64_t *v) |
| { |
| __atomic_release_fence(); |
| return atomic64_fetch_xor_relaxed(i, v); |
| } |
| #define atomic64_fetch_xor_release atomic64_fetch_xor_release |
| #endif |
| |
| #ifndef atomic64_fetch_xor |
| static inline s64 |
| atomic64_fetch_xor(s64 i, atomic64_t *v) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_fetch_xor_relaxed(i, v); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_fetch_xor atomic64_fetch_xor |
| #endif |
| |
| #endif /* atomic64_fetch_xor_relaxed */ |
| |
| #ifndef atomic64_xchg_relaxed |
| #define atomic64_xchg_acquire atomic64_xchg |
| #define atomic64_xchg_release atomic64_xchg |
| #define atomic64_xchg_relaxed atomic64_xchg |
| #else /* atomic64_xchg_relaxed */ |
| |
| #ifndef atomic64_xchg_acquire |
| static inline s64 |
| atomic64_xchg_acquire(atomic64_t *v, s64 i) |
| { |
| s64 ret = atomic64_xchg_relaxed(v, i); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_xchg_acquire atomic64_xchg_acquire |
| #endif |
| |
| #ifndef atomic64_xchg_release |
| static inline s64 |
| atomic64_xchg_release(atomic64_t *v, s64 i) |
| { |
| __atomic_release_fence(); |
| return atomic64_xchg_relaxed(v, i); |
| } |
| #define atomic64_xchg_release atomic64_xchg_release |
| #endif |
| |
| #ifndef atomic64_xchg |
| static inline s64 |
| atomic64_xchg(atomic64_t *v, s64 i) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_xchg_relaxed(v, i); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_xchg atomic64_xchg |
| #endif |
| |
| #endif /* atomic64_xchg_relaxed */ |
| |
| #ifndef atomic64_cmpxchg_relaxed |
| #define atomic64_cmpxchg_acquire atomic64_cmpxchg |
| #define atomic64_cmpxchg_release atomic64_cmpxchg |
| #define atomic64_cmpxchg_relaxed atomic64_cmpxchg |
| #else /* atomic64_cmpxchg_relaxed */ |
| |
| #ifndef atomic64_cmpxchg_acquire |
| static inline s64 |
| atomic64_cmpxchg_acquire(atomic64_t *v, s64 old, s64 new) |
| { |
| s64 ret = atomic64_cmpxchg_relaxed(v, old, new); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_cmpxchg_acquire atomic64_cmpxchg_acquire |
| #endif |
| |
| #ifndef atomic64_cmpxchg_release |
| static inline s64 |
| atomic64_cmpxchg_release(atomic64_t *v, s64 old, s64 new) |
| { |
| __atomic_release_fence(); |
| return atomic64_cmpxchg_relaxed(v, old, new); |
| } |
| #define atomic64_cmpxchg_release atomic64_cmpxchg_release |
| #endif |
| |
| #ifndef atomic64_cmpxchg |
| static inline s64 |
| atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new) |
| { |
| s64 ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_cmpxchg_relaxed(v, old, new); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_cmpxchg atomic64_cmpxchg |
| #endif |
| |
| #endif /* atomic64_cmpxchg_relaxed */ |
| |
| #ifndef atomic64_try_cmpxchg_relaxed |
| #ifdef atomic64_try_cmpxchg |
| #define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg |
| #define atomic64_try_cmpxchg_release atomic64_try_cmpxchg |
| #define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg |
| #endif /* atomic64_try_cmpxchg */ |
| |
| #ifndef atomic64_try_cmpxchg |
| static inline bool |
| atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) |
| { |
| s64 r, o = *old; |
| r = atomic64_cmpxchg(v, o, new); |
| if (unlikely(r != o)) |
| *old = r; |
| return likely(r == o); |
| } |
| #define atomic64_try_cmpxchg atomic64_try_cmpxchg |
| #endif |
| |
| #ifndef atomic64_try_cmpxchg_acquire |
| static inline bool |
| atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) |
| { |
| s64 r, o = *old; |
| r = atomic64_cmpxchg_acquire(v, o, new); |
| if (unlikely(r != o)) |
| *old = r; |
| return likely(r == o); |
| } |
| #define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg_acquire |
| #endif |
| |
| #ifndef atomic64_try_cmpxchg_release |
| static inline bool |
| atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) |
| { |
| s64 r, o = *old; |
| r = atomic64_cmpxchg_release(v, o, new); |
| if (unlikely(r != o)) |
| *old = r; |
| return likely(r == o); |
| } |
| #define atomic64_try_cmpxchg_release atomic64_try_cmpxchg_release |
| #endif |
| |
| #ifndef atomic64_try_cmpxchg_relaxed |
| static inline bool |
| atomic64_try_cmpxchg_relaxed(atomic64_t *v, s64 *old, s64 new) |
| { |
| s64 r, o = *old; |
| r = atomic64_cmpxchg_relaxed(v, o, new); |
| if (unlikely(r != o)) |
| *old = r; |
| return likely(r == o); |
| } |
| #define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg_relaxed |
| #endif |
| |
| #else /* atomic64_try_cmpxchg_relaxed */ |
| |
| #ifndef atomic64_try_cmpxchg_acquire |
| static inline bool |
| atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) |
| { |
| bool ret = atomic64_try_cmpxchg_relaxed(v, old, new); |
| __atomic_acquire_fence(); |
| return ret; |
| } |
| #define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg_acquire |
| #endif |
| |
| #ifndef atomic64_try_cmpxchg_release |
| static inline bool |
| atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) |
| { |
| __atomic_release_fence(); |
| return atomic64_try_cmpxchg_relaxed(v, old, new); |
| } |
| #define atomic64_try_cmpxchg_release atomic64_try_cmpxchg_release |
| #endif |
| |
| #ifndef atomic64_try_cmpxchg |
| static inline bool |
| atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) |
| { |
| bool ret; |
| __atomic_pre_full_fence(); |
| ret = atomic64_try_cmpxchg_relaxed(v, old, new); |
| __atomic_post_full_fence(); |
| return ret; |
| } |
| #define atomic64_try_cmpxchg atomic64_try_cmpxchg |
| #endif |
| |
| #endif /* atomic64_try_cmpxchg_relaxed */ |
| |
| #ifndef atomic64_sub_and_test |
| /** |
| * atomic64_sub_and_test - subtract value from variable and test result |
| * @i: integer value to subtract |
| * @v: pointer of type atomic64_t |
| * |
| * Atomically subtracts @i from @v and returns |
| * true if the result is zero, or false for all |
| * other cases. |
| */ |
| static inline bool |
| atomic64_sub_and_test(s64 i, atomic64_t *v) |
| { |
| return atomic64_sub_return(i, v) == 0; |
| } |
| #define atomic64_sub_and_test atomic64_sub_and_test |
| #endif |
| |
| #ifndef atomic64_dec_and_test |
| /** |
| * atomic64_dec_and_test - decrement and test |
| * @v: pointer of type atomic64_t |
| * |
| * Atomically decrements @v by 1 and |
| * returns true if the result is 0, or false for all other |
| * cases. |
| */ |
| static inline bool |
| atomic64_dec_and_test(atomic64_t *v) |
| { |
| return atomic64_dec_return(v) == 0; |
| } |
| #define atomic64_dec_and_test atomic64_dec_and_test |
| #endif |
| |
| #ifndef atomic64_inc_and_test |
| /** |
| * atomic64_inc_and_test - increment and test |
| * @v: pointer of type atomic64_t |
| * |
| * Atomically increments @v by 1 |
| * and returns true if the result is zero, or false for all |
| * other cases. |
| */ |
| static inline bool |
| atomic64_inc_and_test(atomic64_t *v) |
| { |
| return atomic64_inc_return(v) == 0; |
| } |
| #define atomic64_inc_and_test atomic64_inc_and_test |
| #endif |
| |
| #ifndef atomic64_add_negative |
| /** |
| * atomic64_add_negative - add and test if negative |
| * @i: integer value to add |
| * @v: pointer of type atomic64_t |
| * |
| * Atomically adds @i to @v and returns true |
| * if the result is negative, or false when |
| * result is greater than or equal to zero. |
| */ |
| static inline bool |
| atomic64_add_negative(s64 i, atomic64_t *v) |
| { |
| return atomic64_add_return(i, v) < 0; |
| } |
| #define atomic64_add_negative atomic64_add_negative |
| #endif |
| |
| #ifndef atomic64_fetch_add_unless |
| /** |
| * atomic64_fetch_add_unless - add unless the number is already a given value |
| * @v: pointer of type atomic64_t |
| * @a: the amount to add to v... |
| * @u: ...unless v is equal to u. |
| * |
| * Atomically adds @a to @v, so long as @v was not already @u. |
| * Returns original value of @v |
| */ |
| static inline s64 |
| atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u) |
| { |
| s64 c = atomic64_read(v); |
| |
| do { |
| if (unlikely(c == u)) |
| break; |
| } while (!atomic64_try_cmpxchg(v, &c, c + a)); |
| |
| return c; |
| } |
| #define atomic64_fetch_add_unless atomic64_fetch_add_unless |
| #endif |
| |
| #ifndef atomic64_add_unless |
| /** |
| * atomic64_add_unless - add unless the number is already a given value |
| * @v: pointer of type atomic64_t |
| * @a: the amount to add to v... |
| * @u: ...unless v is equal to u. |
| * |
| * Atomically adds @a to @v, if @v was not already @u. |
| * Returns true if the addition was done. |
| */ |
| static inline bool |
| atomic64_add_unless(atomic64_t *v, s64 a, s64 u) |
| { |
| return atomic64_fetch_add_unless(v, a, u) != u; |
| } |
| #define atomic64_add_unless atomic64_add_unless |
| #endif |
| |
| #ifndef atomic64_inc_not_zero |
| /** |
| * atomic64_inc_not_zero - increment unless the number is zero |
| * @v: pointer of type atomic64_t |
| * |
| * Atomically increments @v by 1, if @v is non-zero. |
| * Returns true if the increment was done. |
| */ |
| static inline bool |
| atomic64_inc_not_zero(atomic64_t *v) |
| { |
| return atomic64_add_unless(v, 1, 0); |
| } |
| #define atomic64_inc_not_zero atomic64_inc_not_zero |
| #endif |
| |
| #ifndef atomic64_inc_unless_negative |
| static inline bool |
| atomic64_inc_unless_negative(atomic64_t *v) |
| { |
| s64 c = atomic64_read(v); |
| |
| do { |
| if (unlikely(c < 0)) |
| return false; |
| } while (!atomic64_try_cmpxchg(v, &c, c + 1)); |
| |
| return true; |
| } |
| #define atomic64_inc_unless_negative atomic64_inc_unless_negative |
| #endif |
| |
| #ifndef atomic64_dec_unless_positive |
| static inline bool |
| atomic64_dec_unless_positive(atomic64_t *v) |
| { |
| s64 c = atomic64_read(v); |
| |
| do { |
| if (unlikely(c > 0)) |
| return false; |
| } while (!atomic64_try_cmpxchg(v, &c, c - 1)); |
| |
| return true; |
| } |
| #define atomic64_dec_unless_positive atomic64_dec_unless_positive |
| #endif |
| |
| #ifndef atomic64_dec_if_positive |
| static inline s64 |
| atomic64_dec_if_positive(atomic64_t *v) |
| { |
| s64 dec, c = atomic64_read(v); |
| |
| do { |
| dec = c - 1; |
| if (unlikely(dec < 0)) |
| break; |
| } while (!atomic64_try_cmpxchg(v, &c, dec)); |
| |
| return dec; |
| } |
| #define atomic64_dec_if_positive atomic64_dec_if_positive |
| #endif |
| |
| #define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c)) |
| #define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c)) |
| |
| #endif /* _LINUX_ATOMIC_FALLBACK_H */ |
| // 25de4a2804d70f57e994fe3b419148658bb5378a |