İhsan Doğramacı Bilkent University

CS 342

Question 1. [8 pts] Answer the following questions related to Project 1. a) What information (data) is sent from a child process to the parent process in project 1? a word and its count is sent as information. b) What system calls do we use to send and receive messages to and from Linux message queues? mq_send and mq_receive. c) Write down clearly which one of the following three strings was a valid word in project 1 (there is a space character before and after each string). hello hello!a 123hello all of them d) How did you enforce the main thread to wait until all other threads do their work and finish in project 1? by use of pthread_join() function.