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/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import <Foundation/NSObject.h>
#import <mutex>
@interface Ctor : NSObject
- (instancetype)init;
- (void)write_ok:(int)data;
@end
@implementation Ctor {
std::mutex _mutex;
int _data;
}
- (instancetype)init {
if (!(self = [super init])) {
return nil;
}
int i = _data;
return self;
}
- (void)write_ok:(int)data {
_mutex.lock();
_data = data;
_mutex.unlock();
}
@end