What are some real-world examples of deadlock?

What are some real-world examples of deadlock?

Deadlock occurs when two or more processes are unable to proceed because each is waiting for the other to release resources. A classic example is in database systems where two transactions are waiting for each other to release locks.

Can you give me a specific scenario?

Sure! Imagine two bank transactions: Transaction A locks Account 1 to transfer money to Account 2, while Transaction B locks Account 2 to transfer money to Account 1. Both transactions are now waiting for each other to release the locks, causing a deadlock.

How can deadlocks be prevented?

Deadlocks can be prevented by using techniques like resource ordering, where resources are always requested in a predefined order, or by implementing timeouts that force processes to release resources after a certain period.

Are there any tools to detect deadlocks?

Yes, there are several tools and algorithms for deadlock detection, such as the Wait-For Graph and resource allocation graphs, which help identify circular wait conditions.