Mutex

Can a process be preempted while it is in a critical section?If yes, then how does the critical section or synchronisation mechanism concept provide solution for 'Data in...

Akash Kumar Roy

1.6k views

Akash Kumar Roy asked Mar 30, 2018

5 votes

1 answer

Akash Kumar Roy asked Mar 27, 2018

1,211 views

Modified gate1997
My question is little different. Each Process Pi, i = 1....9 is coded as follows repeat P(mutex) {Critical section} V(mutex) forever The code for P10 is identical except it uses V(mutex) in place of P(mutex). What is the ... you can signal semaphore from any other thread (or process), so semaphores are more suitable for some synchronization problems like producer-consumer."

My question is little different.Each Process Pi, i = 1....9 is coded as followsrepeat P(mutex) {Critical section} V(mutex)foreverThe code for P10 is identical ex...

Akash Kumar Roy

1.2k views

Akash Kumar Roy asked Mar 27, 2018

6 votes

5 answers

Bikram asked Sep 3, 2016

923 views

GATE Overflow | Operating Systems | Test 1 | Question: 9
Each process $P_i$, where $i= 1$ to $9$ is coded as follows repeat P (mutex) {critical section } V (mutex) forever The code for $P_{10}$ is identical except that it uses $V$ (mutex) instead of $P$ (mutex) and vice ... number of processes that can be inside the critical section at any moment if initial value of the semaphore is 1? 1 2 3 none

Each process $P_i$, where $i= 1$ to $9$ is coded as follows repeat P (mutex) {critical section } V (mutex) foreverThe code for $P_{10}$ is identical except that it uses ...

Bikram

923 views

Bikram asked Sep 3, 2016

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Mutex

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