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31 lines
557 B
Objective-C
31 lines
557 B
Objective-C
//
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// ASSentinel.m
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// AsyncDisplayKit
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#import "ASSentinel.h"
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#import <libkern/OSAtomic.h>
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@implementation ASSentinel
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{
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int32_t _value;
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}
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- (int32_t)value
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{
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return _value;
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}
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- (int32_t)increment
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{
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return OSAtomicAdd32(1, &_value);
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}
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@end
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