2 Klass Peterson Algoritm -

: A boolean array where flag[i] = true indicates that process Picap P sub i wants to enter its critical section.

sets turn = j , graciously giving the other process the first opportunity to enter. : Picap P sub i 2 klass peterson algoritm

enters a loop: while (flag[j] && turn == j); . It stays here as long as the other process is interested it is currently that process's turn. Critical Section : Once the loop condition is false, Picap P sub i enters the critical section. Exit : Upon leaving, Picap P sub i : A boolean array where flag[i] = true

To be an effective solution for the critical-section problem, Peterson’s algorithm satisfies three vital criteria: It stays here as long as the other

: If no one is in the critical section and a process wants to enter, it will not be blocked by processes outside their critical sections.

: Both processes can never be in the critical section at the same time because the turn variable cannot be two values simultaneously.

Peterson's Algorithm is a classic software-based solution designed to achieve for two processes sharing a single resource. Formulated by Gary L. Peterson in 1981, it allows two processes to execute concurrently without conflict by using only shared memory for communication. How Peterson's Algorithm Works The algorithm relies on two shared variables: