4. Synchronization (2).pdf
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Mutual Exclusion:<br />
A Token Ring Algorithm<br />
• Guarantees<br />
– Only one token at one process in a given time<br />
• Mutual exclusion, deadlock freedom, starvation freedom,<br />
fairness<br />
• But<br />
– What if token is lost<br />
– Process crashes<br />
Tanenbaum & Van Steen, Distributed Systems: Principles and Paradigms, 2e, (c) 2007 Prentice-Hall, Inc. All rights reserved. 0-13-239227-5
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