Project 1—the sleeping teaching assistant a university computer science department has a teaching assistant (ta) who undergraduate students with their programming assignments during regular office hours. the ta's office is rather small and has room for only one desk with a chair and computer. there are three chairs in the hallway outside the office where students can sit and wait if the ta is currently another student. when there are no students who need during office hours, the ta sits at the desk and takes a nap. if a student arrives during office hours and finds the ta sleeping, the student must awaken the ta to ask for . if a student arrives and finds the ta currently another student, the student sits on one of the chairs in the hallway and waits. if no chairs are available, the student will come back at a later time. using posix threads, mutex locks, and semaphores, implement a solution that coordinates the activities of the ta and the students. details for this assignment are provided below.