
EBK COMPUTER SYSTEMS
3rd Edition
ISBN: 8220101459107
Author: O'HALLARON
Publisher: YUZU
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Chapter 12, Problem 12.26HW
Program Plan Intro
I/O Multiplexing:
- The idea of I/O multiplexing is to use “select” function to ask kernel to suspend process.
- It returns control to application only after one or more I/O events had occurred.
- It denotes waiting for a set of descriptors that is ready for reading.
- The “select” function would manipulate sets of type “fd_set”, that denotes descriptor sets.
- It takes two inputs: a descriptor set called “read set” and cardinality of read set.
- It blocks until at least one descriptor in read set is ready for reading.
- A descriptor “k” is ready for reading if and only if a request to read 1 byte from that descriptor would not block.
- The “fd_set” is been modified that points to argument “fdset” to indicate subset of read set called “ready set”.
- The value returned by function indicates cardinality of ready set.
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Chapter 12 Solutions
EBK COMPUTER SYSTEMS
Ch. 12.1 - Prob. 12.1PPCh. 12.1 - Prob. 12.2PPCh. 12.2 - Practice Problem 12.3 (solution page 1036) In...Ch. 12.2 - Practice Problem 12.4 (solution page 1036) In the...Ch. 12.4 - Prob. 12.5PPCh. 12.4 - Prob. 12.6PPCh. 12.5 - Prob. 12.7PPCh. 12.5 - Prob. 12.8PPCh. 12.5 - Prob. 12.9PPCh. 12.5 - Prob. 12.10PP
Ch. 12.6 - Prob. 12.11PPCh. 12.7 - Prob. 12.12PPCh. 12.7 - Prob. 12.13PPCh. 12.7 - Prob. 12.14PPCh. 12.7 - Prob. 12.15PPCh. 12 - Prob. 12.20HWCh. 12 - Derive a solution to the second readers-writers...Ch. 12 - Prob. 12.22HWCh. 12 - Prob. 12.23HWCh. 12 - Prob. 12.24HWCh. 12 - Prob. 12.25HWCh. 12 - Prob. 12.26HWCh. 12 - Some network programming texts suggest the...Ch. 12 - Prob. 12.28HWCh. 12 - Prob. 12.29HWCh. 12 - Prob. 12.30HWCh. 12 - Implement a version of the standard I/O fgets...Ch. 12 - Prob. 12.32HWCh. 12 - Prob. 12.33HWCh. 12 - Prob. 12.34HWCh. 12 - Prob. 12.35HWCh. 12 - Prob. 12.36HWCh. 12 - Prob. 12.37HWCh. 12 - Prob. 12.38HWCh. 12 - Prob. 12.39HW
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