An operating system uses the banker's algorithm for deadlock avoidance when managing theallocation of three resource types X, Y and Z to three processes P0, P1 and P2. The tablegiven below presents the current system state. Here, the Allocation matrix shows the currentnumber of resources of each type allocated to each process and the Max matrix shows themaximum number of resources of each type required by each process during its executionAllocationМаxXYXYPO183P13262P21333There are 3 units of type X, 2 units of type Y and 2 units of type Z still available. The system iscurrently in safe state. Consider the following independent requests for additional resources inthe current state-REQ1: PO requests 0 units of X, 0 units of Y and 2 units of ZREQ2: P1 requests 2 units of X, 0 units of Y and 0 units of ZWrite a program to check whether:Only REQ1 can be permittedOnly REQ2 can be permittedBoth REQ1 and REQ2 can be permittedNeither REQ1 nor REQ2 can be permittedNN

Given: We have given the MAX and ALLOCATION matrix. There are three processes p0,p2, and p2. X, Y,…

An operating system uses the banker's algorithm for deadlock avoidance when managing the allocation of three resource types X, Y and Z to three processes P0, P1 and P2. The table given below presents the current system state. Here, the Allocation matrix shows the current number of resources of each type allocated to each process and the Max matrix shows the maximum number of resources of each type required by each process during its execution Allocation Мах X Y Y PO 1. 8 4 3 P1 3 2 6 2 P2 1. 3 3 There are 3 units of type X, 2 units of type Y and 2 units of type Z still available. The system is currently in safe state. Consider the following independent requests for additional resources in the surrent state-

An operating system uses the banker's algorithm for deadlock avoidance when managing the allocation of three resource types X, Y and Z to three processes P0, P1 and P2. The table given below presents the current system state. Here, the Allocation matrix shows the current number of resources of each type allocated to each process and the Max matrix shows the maximum number of resources of each type required by each process during its execution Allocation Мах X Y Y PO 1. 8 4 3 P1 3 2 6 2 P2 1. 3 3 There are 3 units of type X, 2 units of type Y and 2 units of type Z still available. The system is currently in safe state. Consider the following independent requests for additional resources in the surrent state-

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

Section: Chapter Questions

Problem 1PE

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Question

An operating system uses the banker's algorithm for deadlock avoidance when managing the
allocation of three resource types X, Y and Z to three processes P0, P1 and P2. The table
given below presents the current system state. Here, the Allocation matrix shows the current
number of resources of each type allocated to each process and the Max matrix shows the
maximum number of resources of each type required by each process during its execution
Allocation
Маx
X
Y
X
Y
PO
1
8
3
P1
3
2
6
2
P2
1
3
3
3
There are 3 units of type X, 2 units of type Y and 2 units of type Z still available. The system is
currently in safe state. Consider the following independent requests for additional resources in
the current state-
REQ1: PO requests 0 units of X, 0 units of Y and 2 units of Z
REQ2: P1 requests 2 units of X, 0 units of Y and 0 units of Z
Write a program to check whether:
Only REQ1 can be permitted
Only REQ2 can be permitted
Both REQ1 and REQ2 can be permitted
Neither REQ1 nor REQ2 can be permitted
N
N

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An operating system uses the Banker's algorithm for deadlock avoidance when managing the allocation of three resource types X, Ý, and Z to three processes PO, P1, and P2. The table given below presents the current system state. There are 3 instances of type X, 2 instances of type Y and 2 instances of type Z still available. The system is currently in a safe state. Answer the following questions! Allocation Max X Y z X Y PO 0 1 8 4 3 (a) If PO requests 2 instances of Z during the P1 3 2 current state, can it be granted? Explain! (b) If P1 requests 2 instances of X during the P2 2 1 1 3 3 3 current state, can it be granted? Explain! CO
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