Question

In: Computer Science

Deadlock Avoidance using Banker’s Algorithm Q2: Use the following information and complete the Table, also write...

Deadlock Avoidance using Banker’s Algorithm

Q2: Use the following information and complete the Table, also write down the safe sequence if exist?

Three Resources (R1=4, R2=9, R3=11)

Processes

Allocated Resources

R1   R2    R3

Maximum Required Resources

R1   R2    R3

Currently Available Resources

R1   R2    R3

Remaining Need

R1   R2    R3

Safe Sequence

P1

1      4      2

2      4      6

P2

2      1      1

3      2      8

P3

0      0      1

1      2      3

P4

0      0      0

4      4      2

P5

0      0      1

1      3      1

Solutions

Expert Solution

yes there are exist safe sequence and the safe sequence is P1->P2->P3->P4->P5

process allocated reso max require cur availabe remaining need SAFE SEQUENCE
P1 1 4 2 2 4 6 1 4 6 1 0 4 FIRST
P2 2 1 1 3 2 8 2 8 8 1 1 7 SECOND
P3 0 0 1 1 2 3 4 9 9 1 2 2 THIRD
P4 0 0 0 4 4 2 4 9 10 4 4 2 FOURTH
P5 0 0 1 1 3 1 4 9 11 1 3 2 FIVETH

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