code c unix_c pipes token_ring snippets -- : open source web directory

simulator output
- code: code for the program
- one: default configuration
- two: Change After fork from parent to child
- three: Change After fork from parent to either
- four: Change After fork from parent to random
- five: Change Choose Process from FCFS to Random
- six: Change Scheduling from no preempt to round robin with a quantum of 5 and Choose Process from FCFS to Random
- seven: Repeat the experiment above with a quantum of 2 and see if it behaves differently
- eight: Change Print Atomic to Print Not Atomic with probability 0.1
- nine: Insert a wait(NULL) call before the fprintf statement
- ten: Change Print Atomic to Print Not Atomic with probability 0.1 and insert a wait(NULL) call before the fprintf statement
questions
1. For which of the 10 experiments was the output in the same order each time it was run?
2. For which of the 10 experiments is the order of the output determined by the ring program, rather than by the way the processes are scheduled?
3. For experiments 1, 8, 9 and 10 explain why you think the output was in the order that it was.
answers to questions
notes

rec06_assign.txt

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CS 3733 Operating Systems, Spring 2004 Recitation Session 6 ------------------------------------------------------------------------ Week of February 23. In this session you will become familiar with the process ring

ringconfig

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user joe speigle size 400 nprocs 5 rundelay 100 infosize 5

runring

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#!/bin/csh setenv CLASSPATH .:/usr/local/faculty/share/java/cs3733/Ring.jar:/usr/local/faculty/share/java/cs3733/Jeli.jar java -mx64m RingDriver

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