1 /* 2 * Copyright 2015 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 #include "SkSpinlock.h" 9 10 void SkSpinlock::contendedAcquire() { 11 // To act as a mutex, we need an acquire barrier when we acquire the lock. 12 while (fLocked.exchange(true, std::memory_order_acquire)) { 13 /*spin*/ 14 } 15 } 16
