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30 lines
482 B
30 lines
482 B
6 years ago
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/*
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* Copyright (c) 2018-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/NSObject.h>
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#import <mutex>
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@interface Basic : NSObject
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- (int)read;
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- (void)write:(int)data;
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@end
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@implementation Basic {
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std::mutex mutex_;
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int data_;
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}
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- (int)read {
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return data_;
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}
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- (void)write:(int)data {
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mutex_.lock();
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data_ = data;
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mutex_.unlock();
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}
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@end
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