dispatch function

What is a dispatch function: Dispatch functions are an important concept in WIndows drivers. The main function of the driver is to handle I/O requests, where most of the I/O requests are handled in the dispatch function. In other words, the dispatch

InIn Windows, thread synchronization control can be implemented through Critical Section, Mutex, Semaphore, Event, and other methods. On the IOS platform, you can use dispatch_semaphore_t for synchronization when using GCD for simple multi-thread

Exploring multi-thread programming in iOS development: Grand Central Dispatch details, multi-thread programming dispatch I have published a blog about multithreading development in iOS, which introduces NSThread, Operation queue, and GCD. Today, we

Dispatch function is an important concept in the Windows Driver. The main function of the driver is to process I/O requests.It is handled in dispatch letters. All the I/O requests to the driver in user mode are converted from the operating system to

We can almost dispatch the queue to complete all the tasks that are done with threads. Scheduling queues are simpler, easier to use, and more efficient than thread code.The following is a summary of the scheduling queue, how to use the scheduling

iOS three multithreading technology 1.NSThread each Nsthread object corresponds to one thread, the magnitude is lighter (real multi-threaded) 2. The following two points are Apple's "concurrency" technology specifically developed to allow

Reprinted from: Http://blog.sina.com.cn/s/blog_6dce99b10101atsu.html, respecting the original!a detailed description of the concurrency of iOS development applications dispatch queues is the content of this article, we can almost dispatch the queue

What is dispatch sources? In short, dispatch source is an object that monitors certain types of events. When these events occur, it automatically puts a block into the execution routine of a dispatch queue. It seems a bit ambiguous. What types

Dispatch group is a feature of GCD. It can group tasks. The caller can wait for the execution of this group of tasks to complete, or continue to execute after the callback function is provided. When this group of tasks is completed, the caller will

[52 Effective ways to write high-quality iOS code] (10) Grand Central Dispatch (GCD)Reference book: "Effective Objective-c 2.0", "English" Matt GallowaySneak Peek41. Multi-use dispatch queue, less use of synchronous lock42. Multi-use GCD, less use