Suppose we have three processes P0, P1, and P2. Process P0 executes statement S0 and process P1 executes statement S1 and process P2 executes statement S2. Use wait and signal to ensure the following:...

Suppose we have three processes P0, P1, and P2. Process P0 executes statement S0 and process P1 executes statement S1 and process P2 executes statement S2. Use wait and signal to ensure the following: S2 is always executed before S1 and S1 is always executed before S0S0.