Скачать или смотреть (Part-4.10) Banker's Algorithm - Part3 | OS বাংলা টিউটোরিয়াল

Welcome to our deep dive into the Banker's Algorithm! In this video, we'll break down how this classic algorithm works to prevent deadlock in operating systems, ensuring resources are allocated safely without leading to system crashes.

What You'll Learn:

What is the Banker's Algorithm?
How it helps in deadlock avoidance.
Step-by-step examples to understand its working.
The importance of resource allocation in operating systems.
Whether you're a computer science student, a software engineer, or just curious about how operating systems manage resources, this video is for you! Don’t forget to like, share, and subscribe for more tech tutorials and algorithm explanations.

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We have to tell the system that what process are coming, which process will request for which resource, how many resource and for how much time.
All this information we have to give to the system before process arrives, then system will decide that which process is going to wait or execute and for how much time it will wait or execute.
It is also used for deadlock detection which means it can find that deadlock can occur in future or not.
Let’s see an example to get better understanding about banker’s algorithm.

Example: Find the safe sequence. We have resource A = 10, resource B = 5 and resource C = 7.

Safe sequence means that the sequence of execution process and allocation resources which will do not cause deadlock.
Current availability: (3,3,2)
With this current availability we can fulfill the request of P2
Current availability: (5,3,2)
With this current availability we can fulfill the request of P4
Current availability: (7,4,3)
With this current availability we can fulfill the request of P5
Current availability: (7,4,5)
With this current availability we can fulfill the request of P1
Current availability: (7,5,5)
With this current availability we can fulfill the request of P3
Current availability: (10,5,7) = Total resources.
Safe sequence: P2 - P4 - P5 - P1 - P3
No deadlock will occur so it is safe.
More than one safe sequence is possible.
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