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 SkThreadPriv_DEFINED 9#define SkThreadPriv_DEFINED 10 11#include "SkTypes.h" 12 13// SK_ATOMICS_PLATFORM_H must provide inline implementations for the following declarations. 14 15/** Atomic compare and set, for pointers. 16 * If *addr == before, set *addr to after. Always returns previous value of *addr. 17 * This must issue a release barrier on success, acquire on failure, and always a compiler barrier. 18 */ 19static void* sk_atomic_cas(void** addr, void* before, void* after); 20 21#include SK_ATOMICS_PLATFORM_H 22 23#endif//SkThreadPriv_DEFINED 24