Description: Whats "real-world programming"? Real-world programming (typically called real-time programming) is programming that interacts in some way with the "real world" of daily life. At one time, real-time systems were confined to very esoteric applications, like rocket guidance systems. Now, they play a role in almost every aspect of life: they control the brakes on your car, video games, automatic bank tellers -- and the disk drive in your computer. It wont be long before mundane devices like toasters and hair dryers have microprocessors built in, to say nothing of multimedia devices that havent even been invented yet. Real-world applications are characterized by deadlines. If the brake processor in your car doesnt meet a deadline, your car doesnt stop; if your video game doesnt meet a deadline, the Klingons dont die when you shoot them; if your ATM doesnt meet a deadline, you may start looking for another bank. When youve just rear-ended another car, its no consolation that a sudden flurry of input slowed down your brake processor, so it couldnt react quickly enough when you hit the pedal. This book covers the POSIX.4 standard for portable real-time programming. The POSIX.4 standard itself is a massive document that defines system interfaces for asynchronous I/O, scheduling, communications, and other facilities. However, this book does more than explain the standard. It provides a general introduction to real-time programming and real-time issues: the problems software faces when it needs to interact with the real world and how to solve them. And, unlike most books about standards, this one isnt just readable -- its enjoyable! If youre at all interested in real-time applications -- which include just about everything from telemetry to transaction processing -- this book will be an essential reference. Chapters include: The Basics of Real-Time: Multiple Tasks Better Coordination: Messages, Shared Memory, and Synchronization On Time: Scheduling, Time, and Memory Locking I/O for the Real World Includes programming exercises, solutions, and reference manual pages.
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price: 30.54
yearPublished: 1995
Author: Gallmeister, Bill
Book Title: POSIX.4 Programmers Guide: Programming for the Real World
Language: English
Format: Paperback
