Suppose a processes is executing a monitor's procedure, using signals, and gets to the following code:

cwait$($c$)$

$//$ Do Some Stuff

csignal$($c$)$

What can or will happen to the processes?

If this is not the first process to call cwait$($c$),$ then it will block until another process calls csignal$($c$).$ Then, after calling csignal$($c$)$ the process continues execution.

If this is not the first process to call cwait$($c$),$ then it will block until another process calls csignal$($c$).$ Then, after calling csignal$($c$),$ it might block again.

The process will block, and may continue after another processes calls csignal$($c$).$ Then, after calling csignal$($c$)$ the process continues execution.

The process will block, and may continue after another processes calls csignal$($c$).$ Then, after calling csignal$($c$),$ it might block again.