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Q12 Suppose a mutex lock acquire operation is implemented with the following code in which lock is a shared integer variable initialized to 0. while ( compare_and_swap(&lock,0,1) ) ; Answer the following two questions. Q12.1 It is possible for a process to wait indefinitely to acquire the lock. O True O False Q12.2 This code will not prevent two processes from acquiring the same lock. O False

Q12 Suppose a mutex lock acquire operation is implemented with the following code in which lock is a shared integer variable initialized to 0. while ( compare_and_swap(&lock,0,1) ) ; Answer the following two questions. Q12.1 It is possible for a process to wait indefinitely to acquire the lock. O True O False Q12.2 This code will not prevent two processes from acquiring the same lock. O False

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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Q12 Suppose a mutex lock acquire operation is implemented with the following code in which lock is a shared integer variable initialized to 0. while ( compare_and_swap(&lock,0,1) ) ; Answer the following two questions. Q12.1 It is possible for a process to wait indefinitely to acquire the lock. O True O False Q12.2 This code will not prevent two processes from acquiring the same lock. O False O True
Transcribed Image Text:Q12 Suppose a mutex lock acquire operation is implemented with the following code in which lock is a shared integer variable initialized to 0. while ( compare_and_swap(&lock,0,1) ) ; Answer the following two questions. Q12.1 It is possible for a process to wait indefinitely to acquire the lock. O True O False Q12.2 This code will not prevent two processes from acquiring the same lock. O False O True
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