.Net Multithreading by Alan Dennis

By Alan Dennis

This ebook for intermediate .NET builders who recognize C# or VB .NET teaches fundamentals of .NET multithreading from a realistic viewpoint, then specializes in .NET's mechanisms for multithreading and indicates how one can strengthen functions with them. The e-book covers numerous layout techniques equivalent to one-thread-one-class, the asynchronous layout trend, and using queues as buffers among threads. It explains most sensible practices and tells easy methods to stay away from universal pitfalls akin to impasse and race stipulations. Dennis teaches programming on the collage of Phoenix on-line.

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X would occasionally “freeze up,” becoming unresponsive. This occurred because the entire OS shared a common thread processing messages. x started a new application, that application was invoked from the main thread. The OS would pass control to the application with the understanding it would be returned quickly. If the application failed to return control to the OS in a timely fashion, all other applications, as well as the OS, could no longer execute instructions. x was more difficult than newer versions because of the requirements of cooperative multitasking.

In this case the new domain inherits its security and evidence from the current domain. 2 THREADS A thread is a path of execution. Every program contains at least one thread. NET differentiates between logical and physical threads. As we discussed in chapter 2, a physical thread is an OS thread. Just as the OS manages other resources it manages physical threads. NET introduces the concept of a logical thread. NET framework and provides additional functionality beyond a physical thread. NET there is a one-for-one mapping between physical threads and logical threads.

NET is built from the ground up with support for multithreading. This makes writing multithreaded applications easier than was previously possible. The runtime itself uses multiple threads to perform concurrent actions. One area where multiple threads are used is in the garbage collection system. Garbage collection frees developers from managing memory within an application. This allows them to focus on solving problems rather than allocating and freeing memory. Traditionally, the majority of software defects occur as a result of memory management issues.

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