Ebook: Real-Time UNIX® Systems: Design and Application Guide
- Tags: Programming Languages Compilers Interpreters, Processor Architectures, Computer Science general, Operating Systems
- Series: The Kluwer International Series in Engineering and Computer Science 121
- Year: 1991
- Publisher: Springer US
- Edition: 1
- Language: English
- pdf
A growing concern of mine has been the unrealistic expectations for new computer-related technologies introduced into all kinds of organizations. Unrealistic expectations lead to disappointment, and a schizophrenic approach to the introduction of new technologies. The UNIX and real-time UNIX operating system technologies are major examples of emerging technologies with great potential benefits but unrealistic expectations. Users want to use UNIX as a common operating system throughout large segments of their organizations. A common operating system would decrease software costs by helping to provide portability and interoperability between computer systems in today's multivendor environments. Users would be able to more easily purchase new equipment and technologies and cost-effectively reuse their applications. And they could more easily connect heterogeneous equipment in different departments without having to constantly write and rewrite interfaces. On the other hand, many users in various organizations do not understand the ramifications of general-purpose versus real-time UNIX. Users tend to think of "real-time" as a way to handle exotic heart-monitoring or robotics systems. Then these users use UNIX for transaction processing and office applications and complain about its performance, robustness, and reliability. Unfortunately, the users don't realize that real-time capabilities added to UNIX can provide better performance, robustness and reliability for these non-real-time applications. Many other vendors and users do realize this, however. There are indications even now that general-purpose UNIX will go away as a separate entity. It will be replaced by a real-time UNIX. General-purpose UNIX will exist only as a subset of real-time UNIX.
Content:
Front Matter....Pages i-xxiv
Introduction to Real-Time Computing....Pages 1-35
Real-Time Operating Systems....Pages 37-48
Concept of a Fully Preemptive UNIX Operating System....Pages 49-111
Designing Real-Time Applications....Pages 113-272
Case Studies....Pages 273-305
Back Matter....Pages 307-316
Content:
Front Matter....Pages i-xxiv
Introduction to Real-Time Computing....Pages 1-35
Real-Time Operating Systems....Pages 37-48
Concept of a Fully Preemptive UNIX Operating System....Pages 49-111
Designing Real-Time Applications....Pages 113-272
Case Studies....Pages 273-305
Back Matter....Pages 307-316
....