Here is a set of processes. Determine if deadlock is possible. If it is, mention the steps of processes execution which would produce deadlock.

Semaphore si, S2, S3 P1 P2 while (true) { while (true) { 1.1 NonCriticalSec(); 2.1 NonCriticalSec(); 1.2 Wait (S1); 2.2 Wait (S2); 1.3 Wait (S2); 2.3 Wait (S3); 1.4 CriticalSection(); 2.4 CriticalSection(); 1.5 Signal (S2); 2.5 Signal (53); 1.6 Signal (S1); 2.6 Signal (S2); 1.7 } 2.7 } P3 while (true) { 3.1 NonCriticalsec(); 3.2 Wait (S3); 3.3 Wait (81); 3.4 CriticalSection(); 3.5 Signal (81); 3.6 Signal (53); 3.7 }