1 /* 2 * Copyright 2014 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkBarriers_tsan_DEFINED 9 #define SkBarriers_tsan_DEFINED 10 11 static inline void sk_compiler_barrier() { asm volatile("" : : : "memory"); } 12 13 template <typename T> 14 T sk_acquire_load(T* ptr) { 15 SkASSERT(__atomic_always_lock_free(sizeof(T), ptr)); 16 return __atomic_load_n(ptr, __ATOMIC_ACQUIRE); 17 } 18 19 template <typename T> 20 void sk_release_store(T* ptr, T val) { 21 SkASSERT(__atomic_always_lock_free(sizeof(T), ptr)); 22 return __atomic_store_n(ptr, val, __ATOMIC_RELEASE); 23 } 24 25 #endif//SkBarriers_tsan_DEFINED 26
