| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkAtomics_DEFINED |
| #define SkAtomics_DEFINED |
| |
| #include "SkTypes.h" |
| #include <atomic> |
| |
| // ~~~~~~~~ Very Legacy APIs ~~~~~~~~~ |
| // |
| // Here are shims for our very old atomics API, to be weaned off of. They use |
| // sequentially-consistent memory order to match historical behavior, but most |
| // of the callers could perform better with explicit, weaker memory ordering. |
| |
| inline int32_t sk_atomic_inc(int32_t* ptr) { |
| return reinterpret_cast<std::atomic<int32_t>*>(ptr)->fetch_add(+1); |
| } |
| inline int32_t sk_atomic_dec(int32_t* ptr) { |
| return reinterpret_cast<std::atomic<int32_t>*>(ptr)->fetch_add(-1); |
| } |
| |
| #endif//SkAtomics_DEFINED |
