what is main disadvantages of this approach? Half solve questions: Mutual Exclusion:   Mutex is an abbreviation for Mutual Exclusion. It is a programme object that prevents multiple users from accessing a shared resource at the same time. When a process accesses a shared variable, it is said to be in the critical section. When no two processes are present in the critical section at the same time, this is referred to as Mutual Exclusion or Mutex. while (true)       {           semaphore sem = S;           while (S <= 0) do no operation          {                 S = S-1;                wait (S);          }          /*critical section*/         while (S > 0)         {             S = S+1;             signal (S);         }         /*remainder section*/   }

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
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please write with proper explanation.

Question half solution is here please write what is main disadvantages of this approach?

Half solve questions:

Mutual Exclusion:

 

Mutex is an abbreviation for Mutual Exclusion. It is a programme object that prevents multiple users from accessing a shared resource at the same time. When a process accesses a shared variable, it is said to be in the critical section. When no two processes are present in the critical section at the same time, this is referred to as Mutual Exclusion or Mutex.

while (true)

 

    {

 

        semaphore sem = S;

 

        while (S <= 0) do no operation

 

       { 

 

             S = S-1;

 

             wait (S);

 

       } 

 

      /*critical section*/

 

      while (S > 0)

 

      {

 

          S = S+1;

 

          signal (S);

 

      }

 

      /*remainder section*/

 

}

Process synchronization
1. Finish writing of an example of the pseudo-code with a critical section (you have to enter the missing
value or expression instead of dots). Management of the critical section in the example is carried out
using hardware support interrupt enable/disable approach. Demonstrate that this example
guarantees a condition of mutual exclusion. What is the main disadvantage of this approach?
/*Disabling and enabling interrupts*/
while (true)
{
/*Critical section */
***
/*Remainder section*/
Transcribed Image Text:Process synchronization 1. Finish writing of an example of the pseudo-code with a critical section (you have to enter the missing value or expression instead of dots). Management of the critical section in the example is carried out using hardware support interrupt enable/disable approach. Demonstrate that this example guarantees a condition of mutual exclusion. What is the main disadvantage of this approach? /*Disabling and enabling interrupts*/ while (true) { /*Critical section */ *** /*Remainder section*/
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