Quick Recap on Deadlock

Deadlock is a situation in which a set of processes are blocked because each process is holding a resource and _______________

Answer explanation

DO remember the example i took in class about a scenario in which there is a bottle of water and a cup?

If not, check the image associated to this. Can you now expplain what deadlock is?

If no, please go through your notes on deadlocks briefly

In real life, can a deadlock situation be solved without external intervention?

• YES

• NO

Can you briefly explain why you think deadlocks in real life situations can or can not be solved without external intervention?

In OS, can deadlocks be solved without external intervention?

• YES

• NO

What external intervention do you think can be used in OS to solve a deadlock situation?

Answer explanation

Preemption of an acquired resource from a process that is blocked

The following is not a necessary condition for deadlock to occur

• Hold and Wait

• No Preemption

• Mutual Inclusion

• Circular Wait

What do you think about using this tool regularly for our online classes?

• You enjoyed it and think it will be good to use it often

• It was like a boring game and you will not like to play it again

• You found it difficult

• You found it useless