wait(m[i]); wait(m(i+1)%(n+1)) -- Critical Section -- release(mi); release(m(i+1)%(n+1))

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Let m[1], m[2], m[3], ... m[n] be n binary semaphores synchronizing n processes. For the ith
process, the critical section is executed as follows:
wait(m[i]); wait(m(i+1)%(n+1)) -- Critical Section -- release(mi); release(m(i+1)%(n+1))
Which of the following scenario(s) might occur?
Pick ONE OR MORE options
Thrashing
Deadlock
Starvation
None of the above
Transcribed Image Text:Let m[1], m[2], m[3], ... m[n] be n binary semaphores synchronizing n processes. For the ith process, the critical section is executed as follows: wait(m[i]); wait(m(i+1)%(n+1)) -- Critical Section -- release(mi); release(m(i+1)%(n+1)) Which of the following scenario(s) might occur? Pick ONE OR MORE options Thrashing Deadlock Starvation None of the above
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