Consider a computer environment in which there are 4 magnetic drives, 2 printers, 3 scanners, and 1 optical drive. Three processes P1, P2, P3 are using these resources. At any point in time, the allocations and requests for these resources are as follows. Allocations: Magnetic drive Printen Scanner Optical drive P1 P2 P3 1 2 Requests: Printer Scanner Magnetic drive 2 Optical drive P1 P2 P3 1 To 2 1 Is there any way that the processes can complete without deadlock? If yes, explain how. If not, explain why not.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Consider a computer environment in which there are 4 magnetic drives, 2 printers, 3 scanners, and 1 optical drive. Three processes P1, P2, P3 are using these resources. At any point in time, the allocations and requests for these resources are as follows.
Allocations:
Magnetic drive
Printer
Scanner
Optical drive
P1
1
P2
2
1
P3
1
Requests:
Magnetic drive
2
Printer
Scanner
Optical drive
P1
1
P2
1
1
P3
2
1
Is there any way that the processes can complete without deadlock? If yes, explain how. If not, explain why not.
Transcribed Image Text:Consider a computer environment in which there are 4 magnetic drives, 2 printers, 3 scanners, and 1 optical drive. Three processes P1, P2, P3 are using these resources. At any point in time, the allocations and requests for these resources are as follows. Allocations: Magnetic drive Printer Scanner Optical drive P1 1 P2 2 1 P3 1 Requests: Magnetic drive 2 Printer Scanner Optical drive P1 1 P2 1 1 P3 2 1 Is there any way that the processes can complete without deadlock? If yes, explain how. If not, explain why not.
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