Deadlock: It is a condition in which two or more processes are blocked from progressing because each is waiting for a resource that is allocated to another. Deadlock cannot occur unless all three of the following conditions are satisfied: There is competition for non-sharable resources. The resources are requested on a partial basis; that is, having received some resources, a process will return later to request more. Once a resource has been allocated, it cannot be forcibly retrieved.

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Chapter 3, Problem 37CRP

Program Plan Intro

Deadlock:

It is a condition in which two or more processes are blocked from progressing because each is waiting for a resource that is allocated to another.

Deadlock cannot occur unless all three of the following conditions are satisfied:

There is competition for non-sharable resources.

The resources are requested on a partial basis; that is, having received some resources, a process will return later to request more.

Once a resource has been allocated, it cannot be forcibly retrieved.

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