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In Figure 3, Process A leaves its critical section and executes the signal instruction, What would the Mutex (Semaphore) value and the Mutex List contain after exiting the signal • Mutex value = • Mutex List contains Mutual Exclusion Achieved Through Semaphores Mutex Value wait (mutex) { value = value - 1; if (value < 0) { add process to list; block process; Mutex List signal (mutex) { value = value +1; if (value <= 0) { remove process from list;: wake up process; -2 В С Process A Process B Process C start wait (mutex); critical section signal (mutex); - start start BLOCKEDBLOCKED critical section signal (mutex); do remainder critical section signal (mutex); do remainder do remainder Figure 3

In Figure 3, Process A leaves its critical section and executes the signal instruction, What would the Mutex (Semaphore) value and the Mutex List contain after exiting the signal • Mutex value = • Mutex List contains Mutual Exclusion Achieved Through Semaphores Mutex Value wait (mutex) { value = value - 1; if (value < 0) { add process to list; block process; Mutex List signal (mutex) { value = value +1; if (value <= 0) { remove process from list;: wake up process; -2 В С Process A Process B Process C start wait (mutex); critical section signal (mutex); - start start BLOCKEDBLOCKED critical section signal (mutex); do remainder critical section signal (mutex); do remainder do remainder Figure 3

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question 9 In Figure 3, Process A leaves its critical section and executes the signal instruction. What would the Mutex (Semaphore) value and the Mutex List contain after exiting the signal calling? • Mutex value = • Mutex List contains Mutual Exclusion Achieved Through Semaphores wait (mutex) { value = value - 1; if (value < 0) { add process to list; block process; Mutex Value Mutex List signal (mutex) { value value + 1; if (value <= 0) %3D -2 В С B { remove process from list3; wake up process; } Process A Process B Process C start start start wait (mutex); BLOCKEDBEOCKED critical section critical section critical section signal (mutex); do remainder signal (mutex); signal (mutex); do remainder do remainder Figure 3
Transcribed Image Text:Question 9 In Figure 3, Process A leaves its critical section and executes the signal instruction. What would the Mutex (Semaphore) value and the Mutex List contain after exiting the signal calling? • Mutex value = • Mutex List contains Mutual Exclusion Achieved Through Semaphores wait (mutex) { value = value - 1; if (value < 0) { add process to list; block process; Mutex Value Mutex List signal (mutex) { value value + 1; if (value <= 0) %3D -2 В С B { remove process from list3; wake up process; } Process A Process B Process C start start start wait (mutex); BLOCKEDBEOCKED critical section critical section critical section signal (mutex); do remainder signal (mutex); signal (mutex); do remainder do remainder Figure 3
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