Pthread$\_$mutex$\_$lock$($&lock$)$;

while$($ready $==0)$

$$ Pthread$\_$cond$\_$wait$($&cond, &lock$)$;

Pthread$\_$mutex$\_$unlock$($&lock$)$;

In above section of code, what happens with method call of wait$($&cond, &lock$)?$ Choose all answers applicable.

The calling thread relinquishs the lock.

The calling thread suspends execution and enters into a waiting state.

The calling thread, after being notified of the waited condition, will reacquire the lock.

After reacquiring the lock, the waken thread will check the condition in while$($ ready $==0).$ If the condition is true, the calling thread will proceed.