Question

In: Computer Science

six depicted paths

For Figure, provide a narrative description of each of the six depicted paths, similar to the description of the paths of Figure 6.2 provided in Section 6.1.

For Figure, provide a narrative description of each of the

Solutions

Expert Solution

1.      

Q acquires B and A, and then releases B and A. When P resumes execution, it will be able to acquire both resources. 

 

2.      

Q acquires B and A. P executes and blocks on a request for A. Q releases B and A. When P resumes execution, it will be able to acquire both resources. 

 

3.      

Q acquires B and then P acquires and releases A. Q acquires A and then releases B and A. When P resumes execution, it will be able to acquire B. 

 

4.      

P acquires A and then Q acquires B. P releases A. Q acquires A and then releases B. P acquires B and then releases B. 

 

5.      

P acquires and then releases A. P acquires B. Q executes and blocks on request for B. P releases B. When Q resumes execution, it will be able to acquire both resources. 

 

6.  

P acquires A and releases A and then acquires and releases B. When Q resumes execution, it will be able to acquire both resources.


P acquires A and releases A and then acquires and releases B. When Q resumes execution, it will be able to acquire both resources

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