March 2003
Intermediate to advanced
912 pages
27h 17m
English
Content preview from Operating Systems: Concurrent and Distributed Software DesignBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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3.1. Overview
The kinds of hardware on which a concurrent system might be built were outlined in Chapter 1. In most application areas we do not have to program devices directly but are likely to use an operating system in each component of the system. An operating system provides a high-level interface to the hardware which abstracts away from the specific details of how each device is programmed. This makes life easier for the programmer, but as designers of concurrent systems we have to take care that nothing crucial is lost in this process: that the interface we use gives us the performance and functionality we require. For example, if a hardware event must have a response within a specified time we need to understand all that can happen in ...
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