下面就是一些知名的实现: Hierarchy 时间轮算法:Linux内核 红黑树最小堆算法:Asio C++ Library或nginx Linux上的定时函数 要想使用上面那样的定时器功能...,我们必须利用Linux上现有的定时通知函数,封装一个定时器。...Linux上的定时通知函数五花八门,要封装我们自己的定时器,首先需要选用一个定时通知的函数。...TimerManager tm; tm.addTimer(1000, []() { std::cout << "hello world" << std::endl; }, NULL);...Hierarchy 时间轮的原理大致如下,下面是一个时分秒的Hierarchy时间轮,不同于Linux内核的实现,但原理类似。
Benchmark_antlabs_Timer_AddTimer/N-1m Benchmark_antlabs_Timer_AddTimer/N-1m-8 9226951...116.6 ns/op 80 B/op 1 allocs/op Benchmark_antlabs_Timer_AddTimer/N-5m Benchmark_antlabs_Timer_AddTimer...1 allocs/op Benchmark_Stdlib_AddTimer Benchmark_Stdlib_AddTimer/N-1m Benchmark_Stdlib_AddTimer/N-1m-8...4967716 220.0 ns/op 81 B/op 1 allocs/op Benchmark_Stdlib_AddTimer...1 allocs/op Benchmark_Stdlib_AddTimer/N-10m Benchmark_Stdlib_AddTimer/N-10m-8 7703940
self selector:@selector(timeMethod) userInfo:nil repeats:YES]; // [[NSRunLoop currentRunLoop] addTimer...:@selector(timeMethod) userInfo:nil repeats:YES]; //#if 0 // [[NSRunLoop currentRunLoop] addTimer...]; //#else // [[NSRunLoop currentRunLoop] addTimer:time forMode:NSRunLoopCommonModes]; //#endif...selector:@selector(timeMethod) userInfo:nil repeats:YES]; //#if 0 // [[NSRunLoop currentRunLoop] addTimer...]; //#else // [[NSRunLoop currentRunLoop] addTimer:time forMode:NSRunLoopCommonModes]; //#endif
(After creating it, you must add the timer to a run loop manually by calling the addTimer:forMode: method...(After creating it, you must add the timer to a run loop manually by calling the addTimer:forMode: method...在创建它,必须手动添加计时器运行循环,通过调用adddTimer:forMode:方法相应的NSRunLoop对象 3.使用initWithFireDate 在创建它,必须手动添加计时器运行循环,通过使用addTimer...2.0 target:self selector:@selector(test) userInfo:nil repeats:YES]; [[NSRunLoop currentRunLoop] addTimer
(2)创建timer类,实现AddTimer()、CheckTimer()、DelTimer()等接口。(3)选择数据结构,set容器,本质使用红黑树数据结构。(4)定义节点的结构。...chrono::duration_cast(sc.time_since_epoch());return tmp.count();}TimerNodeBase AddTimer...cout AddTimer...cout AddTimer...GetTick() AddTimer
NSRunLoopCommonModes(滑动时主线程会从NSDefaultRunLoopMode切换为UITrackingRunLoopMode,导致timer停止运行) [[NSRunLoop currentRunLoop] addTimer...repeats:repeats]; [[NSRunLoop currentRunLoop] addTimer...repeats:repeats]; [[NSRunLoop currentRunLoop] addTimer
代码: [[NSRunLoopcurrentRunLoop] addTimer:self.timerforMode:NSDefaultRunLoopMode]; 我们将timer添加到当前的主线程中...userInfo:nilrepeats:YES]; // 添加到运行循环 NSRunLoopCommonModes:占位模式 主线程 [[NSRunLoopcurrentRunLoop] addTimer...1target:selfselector:@selector(updateTimer)userInfo:nilrepeats:YES]; [[NSRunLoopcurrentRunLoop] addTimer
: using Callback = std::function; Timer() : counter_(0) {} // 添加一个定时器 int addTimer...steady_clock::now(); }; int main() { Timer timer; // 添加一个延迟500毫秒后触发的定时器 int id1 = timer.addTimer...<< std::endl; }); // 添加一个延迟1000毫秒后触发的定时器 int id2 = timer.addTimer(1000, []() { std...chrono> #include class Timer { public: using Callback = std::function; int addTimer...); // 添加第二个定时器,在5秒后触发 timer.addTimer(10 * 5, callback2); // 主循环,每隔一定时间检查定时器 for(int
以毫秒为单位,表示定时器最小时间粒度 *max_timer 表示定时器所能接受的分钟时间间隔 */ int InitTimerWheel(int step,int max_min); int AddTimer...minNeedCount; std::thread th([&]{ this->DoLoop(); }); th.detach(); return 0; } int TimeWheel::AddTimer...bind(&fun1500); TimeWheel time_wheel; time_wheel.InitTimerWheel(100, 5); int timer1 = time_wheel.AddTimer...(100, f100); int timer2 = time_wheel.AddTimer(200, f200); int timer3 = time_wheel.AddTimer(500, f500...::sleep_for(chrono::milliseconds(300)); if (b) { time_wheel.AddTimer(1500, f1500); b = false
Btn) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:Btn]; [self addTimer...]; } -(void)addTimer{ timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@...]; } -(void)addTimer{ timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target: obj selector:@...(Btn) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:Btn]; [self addTimer...]; } -(void)addTimer{ dispatch_queue_t queue = dispatch_get_global_queue(0, 0); GCD_timer =
::kReadEvent = POLLIN | POLLPRI; const int Channel::kWriteEvent = POLLOUT; 2、定时函数选择 和 muduo 定时器 (1)、Linux...RVO优化:在linux g++ 会优化,VC++ 在release 模式下会优化,即函数返回对象时不会调用拷贝函数。...TimerId addTimer(const TimerCallback &cb, Timestamp when, double...参考: 《UNP》 muduo manual.pdf 《linux 多线程服务器编程:使用muduo c++网络库》 http://www.ibm.com/developerworks/cn/...linux/l-cn-timers/
1 target:self selector:@selector(timerThree) userInfo:nil repeats:YES]; [[NSRunLoop currentRunLoop] addTimer...block:^(NSTimer * _Nonnull timer) { NSLog(@"timer 4"); }]; // iOS 10 [[NSRunLoop currentRunLoop] addTimer...:1 target:self selector:@selector(timerFive) userInfo:nil repeats:YES]; [[NSRunLoop currentRunLoop] addTimer...block:^(NSTimer * _Nonnull timer) { NSLog(@"timer 6"); }]; // iOS 10 [[NSRunLoop currentRunLoop] addTimer...] addTimer:timer forMode:UITrackingRunLoopMode]; 子线程的RunLoop没有创建 // 不获取就不会主动创建 NSRunLoop *runLoop = [
所以为了设置一个不被UI线程干扰的Timer,我们需要手动创建一个Timer,然后使用NSRunLoop的addTimer:forMode:方法来把Timer按照指定模式加入到Run Loop中。...scheduledTimerWithTimeInterval:1 target:self selector:@selector(Handlete) userInfo:nil repeats:YES]; [[NSRunLoop mainRunLoop] addTimer
NSTimer timerWithTimeInterval:1 invocation:invo repeats:YES]; //加入主循环池中 [[NSRunLoop mainRunLoop]addTimer...interval:1 target:self selector:@selector(myLog:) userInfo:nil repeats:YES]; [[NSRunLoop mainRunLoop]addTimer...2、timerWithTimeInterval这两个类方法创建出来的对象如果不用 addTimer: forMode方法手动加入主循环池中,将不会循环执行。
instancetype)initWithFrame:(CGRect)frame { if (self = [super initWithFrame:frame]) { [self addTimer...(@"LXFTimerView - dealloc"); [self removeTimer]; } #pragma mark - 定时器方法 /** 添加定时器方法 */ - (void)addTimer...:1.0 target:self selector:@selector(log) userInfo:nil repeats:YES]; [[NSRunLoop currentRunLoop] addTimer
[[NSRunLoop currentRunLoop] addTimer:timer forMode:NSRunLoopCommonModes]; 2.在子线程中(NSThread开辟新的子线程),使用计时器时...target:self selector:@selector(timer_callback) userInfo:nil repeats:YES]; [[NSRunLoop currentRunLoop] addTimer
private List _timers = new List(); internal void AddTimer...忽略代码 _timers.Add(timer); } // 忽略代码 } } 那在啥时候需要调用 AddTimer...isEnabled) { _isEnabled = true; _dispatcher.AddTimer...isEnabled) { _isEnabled = true; _dispatcher.AddTimer...启动或者重新设置 Win32 计时器可以放在 Dispatcher 的 AddTimer 方法里面 public sealed class Dispatcher { private
target:self selector:@selector(handleUpload) userInfo:nil repeats:YES]; [[NSRunLoop currentRunLoop] addTimer...target:self selector:@selector(handleUpload) userInfo:nil repeats:YES]; [[NSRunLoop currentRunLoop] addTimer
也就是说,此时使用scheduledTimerWithTimeInterval添加到Run Loop中的Timer就不会执行 第二种方式需要使用NSRunLoop的addTimer:forMode:方法来把...NSRunLoopCommonModes,这个模式等效于NSDefaultRunLoopMode和NSEventTrackingRunLoopMode的结合 [[NSRunLoop mainRunLoop] addTimer...target:self selector:@selector(timerAction:) userInfo:nil repeats:YES]; [[NSRunLoop currentRunLoop] addTimer
RunLoop Mode不一样),要想在scrollView滚动的同时也接受其它runloop的消息,我们需要改变两者之间的runloopmode. 1 [[NSRunLoop currentRunLoop] addTimer...repeats:YES]; [[NSRunLoop mainRunLoop] addTimer
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