4. Recall the various deadlock detection and prevention algorithms we've discussed in class and consider the following snapshot of a system with five processes (P10, P11, P12, P13, P14) and four resources (R1, R2, R3, R4). R1, R2, R3, and R4 have a total of 9, 13, 2, and 7 resources, respectively. There are no current outstanding queued unsatisfied requests. PID 10 11 12 13 14 Table 1: Allocation R1 R2 R3 1 5 0 0 0 2 0 1 0 4 1 2 3 0 1 R4 2 0 1 1 3 PID 10 11 12 13 14 Table 2: Max Need R1 R2 R3 R4 3 7 1 2 1 3 2002 5 3 coco co 3 4 3 2 1 0 2 WANIN 1 2 4 3 Is the system currently in a safe or unsafe state? If safe, provide the process execution order.
4. Recall the various deadlock detection and prevention algorithms we've discussed in class and consider the following snapshot of a system with five processes (P10, P11, P12, P13, P14) and four resources (R1, R2, R3, R4). R1, R2, R3, and R4 have a total of 9, 13, 2, and 7 resources, respectively. There are no current outstanding queued unsatisfied requests. PID 10 11 12 13 14 Table 1: Allocation R1 R2 R3 1 5 0 0 0 2 0 1 0 4 1 2 3 0 1 R4 2 0 1 1 3 PID 10 11 12 13 14 Table 2: Max Need R1 R2 R3 R4 3 7 1 2 1 3 2002 5 3 coco co 3 4 3 2 1 0 2 WANIN 1 2 4 3 Is the system currently in a safe or unsafe state? If safe, provide the process execution order.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:4.
Recall the various deadlock detection and prevention algorithms we've discussed in class and
consider the following snapshot of a system with five processes (P10, P11, P12, P13, P14) and four resources
(R1, R2, R3, R4). R1, R2, R3, and R4 have a total of 9, 13, 2, and 7 resources, respectively. There are no
current outstanding queued unsatisfied requests.
PID
10
11
12
13
14
Table 1: Allocation
R1 R2 R3
1
5
0
0
0
2 0
1
0
4 1
2 3
0
1
R4
2
0
1
1
3
PID
10
11
12
13
14
Table 2: Max Need
R1 R2 R3 R4
3 7
1
2
1
3
2002
5
3
coco co
3
4
3
2
1
0
2
WANIN
1
2
4
3
Is the system currently in a safe or unsafe state? If safe, provide the process execution order.
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