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ffmpeg-kit/apple/src/AtomicLong.m

64 lines
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/*
* Copyright (c) 2020-2021 Taner Sener
*
* This file is part of FFmpegKit.
*
* FFmpegKit is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* FFmpegKit is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with FFmpegKit. If not, see <http://www.gnu.org/licenses/>.
*/
#import "AtomicLong.h"
@interface AtomicLong()
@property (strong) NSRecursiveLock* lock;
@end
@implementation AtomicLong {
long _value;
}
- (instancetype)initWithValue:(long)value {
self = [super init];
if (self) {
_value = value;
_lock = [[NSRecursiveLock alloc] init];
}
return self;
}
- (long)incrementAndGet {
long returnValue;
[self.lock lock];
_value += 1;
returnValue = _value;
[self.lock unlock];
return returnValue;
}
- (long)getAndIncrement {
long returnValue;
[self.lock lock];
returnValue = _value;
_value += 1;
[self.lock unlock];
return returnValue;
}
@end