Q6: [1.5+0.5+3=5] The readers-writers problem has several variations, all involving priorities. The simplest one, referred to as the first readers-writers problem, requires that no reader be kept waiting unless a writer has already obtained permission to use the shared object. In other words, no reader should wait for other readers to finish simply because a writer is waiting. Considering this explanation, answer the following questions a. List down all the data structures that are shared between the reader processes 1. 2. 3. b. What type of semaphores are used?(Just write the name) c. Write down the structure for the writer-process