wait function

Critical Section) A convenient way to ensure that only one thread can access data at a certain time point. Only one thread is allowed to access Shared resources at any time. If multiple threads attempt to access the critical section at the same

Linux kernel source code learning: Zombie processes, Linux kernel source code botnets Orphan and botnets After a normal sub-process fork parent process, the two establish a parent-child relationship. When the child process ends, it notifies the

Linux system programming-Process Control: Process Termination, waiting for Process Termination, linux ProcessEnd Process First, let's review the functions of continue, break, and return in C: Continue: end this cycle Break: jump out of the entire

Fromhttps://www.zhihu.com/question/24116967?q=linux%20%E5%A4%9A%E7%BA%BF%E7%A8%8B%20%E8%99%9A%E5%81%87%E5%94% A4%e9%86%92%20%e9%97%ae%e9%a2%98%3f%e6%88%91%e6%80%8e%e4%b9%88%e8%a7%a3%e9%87%8a%e4%b8%8d%e5%90%8c%e8%82%af%e5

Explain what false awakening is?It is easier to talk about specific examples.pthread_mutex_t lock;pthread_cond_t Notempty;pthread_cond_t Notfull;void *producer (void *data) {for (int i = 0;iPthread_mtext_lock (&lock);while (buffer if full)

Http://www.tuicool.com/articles/MVnmamrOriginal http://blog.segmentfault.com/f2e/1190000000523676First, prefaceIn order for the front end to return to heaven from the callback of the underworld, jQuery also introduced Promise the concept. Promiseis

First, prefaceIn order for the front end to return to heaven from the callback of the underworld, jQuery also introduced Promise the concept. Promiseis a more elegant abstraction of the code's asynchronous behavior, and with it, we can write

Process scheduling strategy: FIFO, Time slice rotation, general dispatch, batch scheduling, high priority preemptiveThe child process has no fixed order with the parent process, and cannot assume that the child process will be executed after the

1. Dynamic Scripting elementsvarScript = document.createelement (' script '); Script.type= ' Text/javascript '; Script.onload=function(){//Non-IEAlert (' Script loaded ');}; Script.onreadystatechange=function(){//IE if(Script.readystate = = '

Http://www.poluoluo.com/jzxy/201307/233374.htmlThe code is as follows:jQuery.fn.wait = function (func, times, interval) {var _times = Times | | -1,//100 times_interval = Interval | | 20,//20 milliseconds per_self = this,_selector =

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.Before reading this article, we recommend reading the following sister articles:"Second-kill multithreaded fourth" a classic multi-threaded

Signal Volume (Semaphore)the Semaphore is the kernel object, which uses several image examples to Describe.1 assume that there are 5 positions, and there are a lot of people outside to come in, then when the 5 positions are occupied by people, other

1. What is a deferred objectThe deferred object is a deferred object, meaning that the function is deferred to a point before it starts executing, and there are two ways to change the execution state (success: Resolve and Failure: reject),

When the server processes multiple request links, it is common practice to receive a request, the server fork a child process,If the parent process calls the wait function to handle state information at the end of the child process, the wait

What the computer actually does is simple, that is, through the execution of the program, complete the user-specified series of operations. This process we can in analogy, the computer is a kitchen, the program is a menu, a la carte window is an

Linux Process BasicsVamei Source: Http://www.cnblogs.com/vamei Welcome reprint, Please also keep this statement. Thank you!What a computer can actually do is essentially very simple, such as calculating the number of two numbers, and then finding an

Original: http://blog.csdn.NET/nvd11/article/details/8856278What if we wanted to invoke 1 shell scripts or execute 1 Bash shell commands when we were writing 1 C programs?In fact, in this header contains 1 functions called the shell command or

There are many ways to implement multithreaded technology in iOS.Here is the problem of using nscondition to realize multithreading synchronization, which is to solve the problem of producer consumers (such as sending and receiving synchronization,

Before reading this article, we recommend reading the following sister articles:" second-kill multithreaded fourth" a classic multi-threaded synchronization problem " second-kill multithreaded fifth" Classic thread synchronization key section CS"

Usage of CreateEvent and setevent and WaitForSingleObject in threadsThe first introduction of CreateEvent is to create Windows event meaning, the role is mainly used in determining thread exit, Process locking.CreateEventFunction Description: Create