/* * Copyright 2015 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "SkSpinlock.h" void SkPODSpinlock::contendedAcquire() { // To act as a mutex, we need an acquire barrier when we take the lock. while(sk_atomic_exchange(&fLocked, true, sk_memory_order_acquire)) { /*spin*/ } }