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Process Synchronization

Recent questions tagged process-synchronization

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GATE CSE 2023 | Memory Based Question: 19
incr() { wait(s) x = x+1 signal(s) } decr() { wait(s) x = x-1 signal(s) } Shared integer variable $\mathrm{x}$ initialized with $10.$ There are five threads which are calling incr() and there are three threads which are calling decr() ... $s=2$ minimum possible value of $\mathrm{x}$ is $\mathrm{V}_2$ $15,8$ $12,8$ $15,7$ $12,7$

GO Classes asked in Operating System Feb 6

395 views

memorybased-gatecse2023
goclasses
operating-system
process-synchronization
binary-semaphore

1 vote

1 answer

2

#Self doubt
Since Dealock --> No Progress then Does Progess --> No Deadlock bcoz contrapositive should be true.

yuvrajeyes asked in Operating System Dec 31, 2022

80 views

operating-system
process-synchronization

0 votes

0 answers

3

unacademy gate 2023 cse aimt mock test 1
What is the issue with the following version of Dekker’s Algorithm: CSEnter(int i) { inside[i] = true; While(inside[j]) { inside[i] = false; while (turn == j) continue; inside[i] = true; } } CSExit(int k) { turn = j; inside[i]= false; } Deadlock is guaranteed b.Possibility of starvation c.Starvation never happen d.None of the above

sat0503 asked in Operating System Dec 4, 2022

204 views

process-synchronization

0 votes

1 answer

4

#strict_alteration #operating_system #process_synchronization
In a strict alteration , we use TURN variable and turn variable is shared variable .So,my doubt is that there's synchronisation problem as it is similar to producer consumer problem. While executing turn variable there might be preemption and it might cause inconsistency ? So how could strict alteration has this disadvantage?

Srken asked in Operating System Nov 20, 2022

by Srken

108 views

operating-system
process-synchronization

0 votes

1 answer

5

Process Synchronisation
What is the significance of infinite loop that is written in every example of process synchronisation? What would happen if there wasn't any infinite loop?

ajayraho asked in Operating System Oct 23, 2022

263 views

operating-system
process-synchronization
semaphore
process-scheduling
inter-process-communication

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