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da3d65c18f
Thereby avoids a whole bunch of complicated machinations that would otherwise have been required of the multimachine.
71 lines
1.5 KiB
Plaintext
71 lines
1.5 KiB
Plaintext
//
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// CSBestEffortUpdater.m
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// Clock Signal
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//
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// Created by Thomas Harte on 16/06/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#import "CSBestEffortUpdater.h"
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#include "BestEffortUpdater.hpp"
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struct UpdaterDelegate: public Concurrency::BestEffortUpdater::Delegate {
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__weak id<CSBestEffortUpdaterDelegate> delegate;
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NSLock *delegateLock;
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void update(Concurrency::BestEffortUpdater *updater, Time::Seconds cycles, bool did_skip_previous_update) {
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[delegateLock lock];
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__weak id<CSBestEffortUpdaterDelegate> delegateCopy = delegate;
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[delegateLock unlock];
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[delegateCopy bestEffortUpdater:nil runForInterval:(NSTimeInterval)cycles didSkipPreviousUpdate:did_skip_previous_update];
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}
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};
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@implementation CSBestEffortUpdater {
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Concurrency::BestEffortUpdater _updater;
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UpdaterDelegate _updaterDelegate;
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NSLock *_delegateLock;
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}
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- (instancetype)init {
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self = [super init];
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if(self) {
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_delegateLock = [[NSLock alloc] init];
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_updaterDelegate.delegateLock = _delegateLock;
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_updater.set_delegate(&_updaterDelegate);
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}
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return self;
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}
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//- (void)dealloc {
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// _updater.flush();
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//}
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- (void)update {
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_updater.update();
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}
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- (void)flush {
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_updater.flush();
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}
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- (void)setDelegate:(id<CSBestEffortUpdaterDelegate>)delegate {
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[_delegateLock lock];
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_updaterDelegate.delegate = delegate;
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[_delegateLock unlock];
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}
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- (id<CSBestEffortUpdaterDelegate>)delegate {
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id<CSBestEffortUpdaterDelegate> delegate;
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[_delegateLock lock];
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delegate = _updaterDelegate.delegate;
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[_delegateLock unlock];
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return delegate;
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}
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@end
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