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//usr/include/bind9/isc/atomic.h
/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #pragma once #ifdef ISC_MUTEX_ATOMICS #include <isc/mutexatomic.h> #else /* ifdef ISC_MUTEX_ATOMICS */ #if HAVE_STDATOMIC_H #include <stdatomic.h> #else /* if HAVE_STDATOMIC_H */ #include <isc/stdatomic.h> #endif /* if HAVE_STDATOMIC_H */ #endif /* ifdef ISC_MUTEX_ATOMICS */ /* * We define a few additional macros to make things easier */ /* Relaxed Memory Ordering */ #define atomic_store_relaxed(o, v) \ atomic_store_explicit((o), (v), memory_order_relaxed) #define atomic_load_relaxed(o) atomic_load_explicit((o), memory_order_relaxed) #define atomic_fetch_add_relaxed(o, v) \ atomic_fetch_add_explicit((o), (v), memory_order_relaxed) #define atomic_fetch_sub_relaxed(o, v) \ atomic_fetch_sub_explicit((o), (v), memory_order_relaxed) #define atomic_fetch_or_relaxed(o, v) \ atomic_fetch_or_explicit((o), (v), memory_order_relaxed) #define atomic_fetch_and_relaxed(o, v) \ atomic_fetch_and_explicit((o), (v), memory_order_relaxed) #define atomic_exchange_relaxed(o, v) \ atomic_exchange_explicit((o), (v), memory_order_relaxed) #define atomic_compare_exchange_weak_relaxed(o, e, d) \ atomic_compare_exchange_weak_explicit( \ (o), (e), (d), memory_order_relaxed, memory_order_relaxed) #define atomic_compare_exchange_strong_relaxed(o, e, d) \ atomic_compare_exchange_strong_explicit( \ (o), (e), (d), memory_order_relaxed, memory_order_relaxed) #define atomic_compare_exchange_strong_acq_rel(o, e, d) \ atomic_compare_exchange_strong_explicit( \ (o), (e), (d), memory_order_acq_rel, memory_order_acquire) /* Acquire-Release Memory Ordering */ #define atomic_store_release(o, v) \ atomic_store_explicit((o), (v), memory_order_release) #define atomic_load_acquire(o) atomic_load_explicit((o), memory_order_acquire) #define atomic_fetch_add_release(o, v) \ atomic_fetch_add_explicit((o), (v), memory_order_release) #define atomic_fetch_sub_release(o, v) \ atomic_fetch_sub_explicit((o), (v), memory_order_release) #define atomic_fetch_and_release(o, v) \ atomic_fetch_and_explicit((o), (v), memory_order_release) #define atomic_fetch_or_release(o, v) \ atomic_fetch_or_explicit((o), (v), memory_order_release) #define atomic_exchange_acq_rel(o, v) \ atomic_exchange_explicit((o), (v), memory_order_acq_rel) #define atomic_fetch_sub_acq_rel(o, v) \ atomic_fetch_sub_explicit((o), (v), memory_order_acq_rel) #define atomic_compare_exchange_weak_acq_rel(o, e, d) \ atomic_compare_exchange_weak_explicit( \ (o), (e), (d), memory_order_acq_rel, memory_order_acquire) #define atomic_compare_exchange_strong_acq_rel(o, e, d) \ atomic_compare_exchange_strong_explicit( \ (o), (e), (d), memory_order_acq_rel, memory_order_acquire)
