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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkSpinlock.h" | 8 #include "SkSpinlock.h" |
9 | 9 |
10 void SkPODSpinlock::contendedAcquire() { | 10 void SkSpinlock::contendedAcquire() { |
11 // To act as a mutex, we need an acquire barrier when we take the lock. | 11 // To act as a mutex, we need an acquire barrier when we acquire the lock. |
12 while(sk_atomic_exchange(&fLocked, true, sk_memory_order_acquire)) { /*spin*
/ } | 12 while (fLocked.exchange(true, std::memory_order_acquire)) { |
| 13 /*spin*/ |
| 14 } |
13 } | 15 } |
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