Deadlocks

Let's get familiar with deadlocks and learn how to avoid them in concurrent programming.

What is a deadlock?

A deadlock occurs when all processes are blocked while waiting for each other and the program cannot proceed further.

Let’s have a look at the conditions for a deadlock to occur:

Coffman Conditions

There are four conditions, known as the Coffman Conditions, that must be present simultaneously for a deadlock to occur:

Mutual Exclusion

A concurrent process holds at least one resource at any one time making it non-sharable.

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