src/core/SkSpinlock.cpp - Issue 1212253013: Outline SkSpinlock::acquire().

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Side by Side Diff: src/core/SkSpinlock.cpp

Issue 1212253013: Outline SkSpinlock::acquire(). (Closed) Base URL: https://skia.googlesource.com/skia.git@master

Patch Set: doc Created 5 years, 5 months ago

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	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 SkPODSpinlock::contendedAcquire() {

	11 // To act as a mutex, we need an acquire barrier when we take the lock.

	12 while(sk_atomic_exchange(&fLocked, true, sk_memory_order_acquire)) { /spin / }

	13 }

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