2. Consider the following program, which attempts to use semaphores for mutual exclusion. (P = sem_wait, V = sem_signal) Initially: a = 1, b = 1, c = 1. Thread 1: a. b. C. Thread 3: P(c); P(c); P(b); V(c); V(b); . P(b); V(c); P(a); P(a); V (a); V(a); V(b); For each thread, list the pairs of mutexes that it holds simultaneously. Can this program deadlock? If a < b
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- 3. Implement mutual exclusion with multithreading in Java Build a Java program which simulates a communication between a server and clients. You must use a thread to represent each party (as server or client). (Hint: study about the Semaphore class to perform mutual exclusion between threads) Create three threads. One thread will act as a server, which always ready to receive a message from a client (ping) and then replies the message to the same client (pong). The other two threads will become the clients, where each client will send a message to the server (ping) and waits for the reply (pong). Define 2 different classes to represent the server and the client. To perform the communication, each thread will refer to a same variable/data structure for sending and receiving the message. Use mutual exclusion approach to ensure each client can send and receive the reply without interruption from any other client(s). For this simulation, your objective is to ensure that each client must…Implement the producer consumer problem (also known as bounded buffer problem) in java. create two threads i.e. the producer thread and the consumer thread. Create a shared buffer object using a LinkedList or Queue. The producer adds data to the buffer and the consumer removes data from the buffer. The producer cannot add data if the buffer is full and the consumer cannot remove data from the buffer if it is empty. Make sure there are no race conditions and deadlocks.JAVA You are requested to implement a “message buffer and response connector” class using Javaprogramming language. The following figure depicts a message buffer and response connectorclass, followed by detailed operations specifications. The message buffer and response connectorclass has three operations, send(), receive(), and reply().Your program should create two separate threads for testing your implementation, a producerthread, and a consumer thread. The producer thread sends a message having a structure (string,integer) – e.g., (add, 3) or (multiply, 7) - to a consumer thread via a message buffer and responseconnector. The consumer thread encapsulates a SimpleCalculation class that has two operations,add() and “multiply(). You should implement the SimpleCalculation class as well. When theconsumer thread receives a message from the connector, it extracts the message and then callsone of the operations on the SimpleCalculation class, depending on the message. For example,the…
- In this assignment, you are provided with working code that does the following: 1. You input a sentence (containing no more than 50 characters). 2. The program will read the sentence and put it into an array of characters. 3. Then, it creates one thread for each character in the sentence. 4. The goal of the program is to capitalize each letter that has an odd index. The given program actually does this, but lacks the synchronization of the threads, so the output is not correct. You will need to provide the synchronization using mutex locks. Specifically, you are to (1) declare the mutex lock, (2) initialize the mutex lock, (3) lock and unlock the mutex lock at an appropriate location that results in the code working as expected, and (4) destroy the mutex lock. Be sure to place the mutex locks so that your program works correctly every time. Do not remove code or functions – you are to add the synchronization pieces only. When compiling using the GNU C compiler, be sure to include the…Subject Name: Advanced Object-Oriented Programming 1. Complete the below given code (1) class NyThread Thread t: Runnable ( MyThread (String n, int pl t (2) (3) : / creates teh Thread t with nane n : // changen the priority to p Syster.out.printin ("Thread "+n+* created with priority "+p): t. (4) : // exexcute the thread t. I // The only abatarct aethed in Runnable public for (int 1=10: 1>=1: 1--) { Syaten.out.prántin ("Thread *t.getName ()+"\e i - "a) : (5) try { (6) :/ ma ke the Thead t eleep to 2 seconds } catch (Exception e) Syater.out.printin ("Exception in Child"): System.out.printin ("Thread "+t. getName ()+" 1s Exiting"): public statie void main (Stringt) arga) { MyThread t1, 12; ti - new MyThread ("R1", 7): t2 = new MyThread ("R1", 3): try ( :// 2 atatements to aake the Threads ti a v2 exit at same time (8) ) catoh (Exception e) ( Syster.out.printin("Exception in main"): System.out.printin ("Thread Main is Exiting"): 1. 2. 3. 4. 6. 7. 8. 5.Write a C program to implement threading.a. Use following two Arraysa. Student ID[]={101,102,103,104,105}b. Student Results[]={85,45,55,65,75}b. Thread1 prints the student IDs of those students who has 1st and 2nd highest marks.c. Thread 2 prints the IDs of failed studentsd. Thread3 prints avg marks of the class
- Write a c++ program in which make a LinkedList where you have to make a class and then this class have two members first one would be the value of type int and the second one would be the address of the Node and the type of this address should be the same as class. Secondly, you have to insert Nodes in the LinkedList which would be empty in the beginning and then his list will be filled up by user during run time. NOTE: You can’t make a LinkedList during compiled time you have to make a LinkedList during Run time on the demand of user, Suppose user will first ask you that how many nodes he wants to insert into the LinkedList.Write a MultiThreaded ServerSocket Program in C# that can handle multiple clients at the same time. a C# Server Socket use TcpListener Class and listen to PORT 9393. When the C# Server Socket gets a request from Client side, the Server passes the instance of the client request to a separate class handleClient. For each Client request, there is a new thread instant is created in C# Server for separate communication with Client.Write java code to create a thread by (extending), theprogram create 3 thread that displaying “fatmah” and thenumber of thread that is running.Rewrite the above program by implementing the RunnableInterface
- In C++ This exercise involves implementing the solution to the bounded buffer/readers and writers problem using threads. You will create a program that accepts four command line arguments: run_time (the length of time the program should run) buffer_size (number of slots in the bounded buffer) num_producers (number of producer threads) num_consumers (number of consumer threads) The program will create a thread for each producer and consumer. As each thread produces or consumes a data item, it will print its status. Example Output Here are some sample runs: Not enough arguments If not enough arguments are provided, the program should print an error message and exit. $ ./bounded_buffer Wrong number of arguments. Usage: bounded_buffer <run_time> <buffer_size> <num_producers> <num_consumers> $ Invalid argument If an argument is less than or equal to 0, the program should print a message and exit $ ./bounded_buffer 10 5 1 0 ./bounded_buffer 10 5 1 0 num_consumers…Socket programming c++ In this project, students are required to implement a multi-threaded chat room service. The system will have one (multi-threaded) chat server, and multiple chat clients. Socket interface is used to implement network communications. The C/C++ chat application you are going to build is a console application that is launched from the command line using TCP connection. There can be multiple clients connect to a server and they can chat to each other. Only two users who are messaging can see each other’s message and other users cannot see these messages. It is a private chat between two users. The application consists of two parts: Server and Client. Each part can run independently on separate computers. Server manages the chat session. It maintains a list of the active clients and forwards incoming messages. The Server is multithreaded - communication with each client is through a separate thread. When Server is started, it starts to wait for client connections.…Problem: Implement a part of functionality for the Netflix DVD queue. It's a service that allows a user to create a list of desired movies and then sends DVDs with movies on top of this list to the subscriber one at a a time. A subscriber should be able to create a list of desired movies and manipulate the order in a movie queue in their account. Your program will implement some of the desired functionality by storing the list of movie titles in a linked list. You are provided with the following files available in "Downloadable files" section: MovieList.h contains a class declaration for the class that represents a list of movies. Driver.cpp contains a main function you can use to test your implementation. You will be responsible for providing the MovieList.cpp file, including the implementation of the MovieList member functions (described below): MovieList and ~MovieList: creates an empty list, and deallocates all the nodes in the list, respectively. display(ostream& out) Print…