rocketship timer

This is a creation in Article, where the information may have evolved or changed. In 2016, the go language ranked sharply in the Tiobe programming language rankings (December 2016 Tiobe list: Go ranked 16th, rating value: 1.939%). At the same time, we can also personally feel the go language in the world, the development of its land in China is particularly violent ^0^:for gopher job changes, online information about Go is also a lot of "voluminous" trend. As a professional gopher^0^, to contrib

TIMERFD is a timer interface provided by Linux for the user program. This interface is based on file descriptors, and can be used for select/poll scenarios by using the file descriptor's readable event for timeout notification.One, related operation function#include int timerfd_create (int clockid, int flags);int timerfd_settime (int FD, int flags, const struct ITIMERSPEC * new_value, struct itimerspec *old_value);int timerfd_gettime (int fd,

I've been looking at some of the JavaScript principles, and I happen to see an analysis of the author of jquery about the principle of the JavaScript timer, so I decided to translate the original into Chinese, to share with you, and secondly, to deepen your understanding of JavaScript. Original link: http://ejohn.org/blog/how-javascript-timers-work/Original translation:At the basic level, it is important to understand how JavaScript timers work. Becau

the soft interrupts for all registrations under kernel. struct softirq_action{void (*action) (struct softirq_action *);}; The array subscript represents the soft interrupt number, and the softirq_action represents the soft interrupt handler function. The Softirq_vec is similar to irq_desc that characterize hardware interrupts under kernel. /* Please, avoid to allocate new SOFTIRQS, if you need not _really_ high frequency threaded job scheduling. For almost all the purposes tasklets is more than

Timers typically play an important role, whether in client applications or server components, including window services. Writing an efficient timer-driven manageable code requires a clear understanding and mastery of the program flow. The subtlety of the net threading model. NET Framework class library provides three different timer classes: System.Windows.Forms.Timer, System.Timers.Timer, and System.Thread

This article was reproduced from: http://blog.csdn.net/dean_gdp/article/details/25481225Basic operation of HrtimerThe traditional Linux timer is implemented by the time-wheel algorithm (TIMER.C), but Hrtimer is implemented by the red-black tree algorithm. In struct Hrtimer There is a node field, which is a struct rb_node, which represents the position of hrtimer in a red-black tree.Hrtimer_startThe Hrtimer_start function adds a hrtimer to a red-black

PWM Timer TIMER0 Learning notes: First, the timer TIMER0 code used in the register. What these register functions are. What is the meaning of the bits involved in the initialization of these registers. : TCFG0 function is: Timer configuration register, you can set the first Prescaler frequency and the second prescaler frequency of the prescaler frequency factor

This example describes the stopwatch timer implemented by Android. Share to everyone for your reference, specific as follows: Package com.liu.time; Import Java.util.Timer; Import Java.util.TimerTask; Import android.app.Activity; Import Android.app.AlertDialog; Import Android.content.Context; Import Android.content.DialogInterface; Import android.content.SharedPreferences; Import Android.os.Bundle; Import Android.os.Handler; Import Android.os.Mes

A timer is a necessary part of all operating systems and you will find multiple timer mechanisms. We will first briefly introduce some Linux timer modes, and then study their running Modes in depth. (Linux) Origin of time In the Linux kerneljiffiesThe global variable that identifies the number of tick answers that have elapsed since the system was started. At the

Sometimes we need to do some tasks regularly in the program, such as 5 seconds after sending, 10 seconds after the window and other operations. This requires a timer-like component. This component is called a timer in Windows.h. Set a timerThe first step, of course, is to set a timer, in the Win32 API, there is no concept of objects, so don't expect to be l

1, Timer Two types of time related kernel structures have been mentioned before. 1, delay: Through busy waiting or sleep mechanism to achieve delay. 2, Tasklet and work queues, through some mechanism to delay the implementation of work, but do not know the specific time of execution. The timer to be introduced next will enable the work to be performed at a specified point in time, and there is no need to

The so-called trap is that it is not what you think, and this cognitive error may leave your software with hidden bugs. Just a timer has 3 traps, we'll talk 1) reset traps and 2) channel traps, 3) stop traps are similar to reset traps, explore for yourself. Where's the Reset trap? Timer.Reset()The return value of the function is the bool type, and we look at a problem with three even: What does it mean by its return value? What is the success

/******************************************************************** ************ LRTimer.h **　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 ** Written by Max Gurdziel the under GNU general public License ** Contact Me:max[at]remotesos[dot]com **　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 ** Lrtimer is a-resolution timer class with own timing thread. IT allows ** An external callback