write a C/C++ program which simulates the Producer/Consumer program in Figure 5.16 with a buffer size of one thousand. Allow the Producer to generate one million items. Use ten consumers. The program needs to perform a normal exit process after all items are consumed. Both the Producer (singular) and Consumers are to be runs as separate processes generated via fork(). The program must us Linux semaphores. The program must clean up the semaphores used and zombies created before termination. Report the number of items that each consumer obtained. Do the counts meet expectations?
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write a C/C++ program which simulates the Producer/Consumer program in Figure 5.16 with a buffer size...
Solve the Consumer/Producer problem using semaphores. A skeleton program (Save it as producer_consumer.c) is provided to you: The main function creates 2 threads: consumer represents the consumer and executes the consume function, and producer represents the producer and executes the produce function. You should declare and initialize 3 semaphores. Those semaphores should be used in the consume(..) and produce(...) functions. #include <stdio.h> #include <stdlib.h> #include <pthread.h> //compile and link with -pthread #define BUFFER_SIZE 10 int buffer[BUFFER_SIZE]; int in, out; int num;...
operating system engineering , please read the question and solve on the given skeleton code . Write a multi-threaded program with Semaphores as counters and pthread_mutex_t mutex to solve the producer-consumer problem: A bounded buffer is simply a global integer array of size N (2) which can be accessed by multiple threads. • Create two types of threads - Producer (2) and Consumer (2). Producers will write to the buffer, and the consumers will read the buffer. In this scenario,...
Is This Correct? semaphore fillCount = 0; // Items produced semahore emptyCount = BUFFER_SIZE; // remaining space procedure producer() { While (true) { item = produceItem(); down(emptyCount); // emptyCount is decremented putItemIntoBuffer(item); up(fillCount); // fillcount is incremented } } procedure consumer() { While (true) { down(fillCount); item = removeItem(); up(emptyCount); // emptyCount is incremented consumeItem(item); } } Instructions Programming Assignment Four In computing, the producer-consumer problem (also known as the bounded-buffer problem) is a classic example of...
I know is this posted else where BUT I NEED HELP IMPLEMENTING THE TIME DELAY!!!! I need a source comment next to the line that gives the delay so i can compare please. (Concurrency – Semaphores) 1.- In this assignment you will implement a deadlock free variant of the bounded-buffer producer/consumer using jBACI (C - -). C- - is a subset of C + + that allows you to declare semaphores and apply the operations P and V. In the...
I must execute in C using parallel Programming techniques the following serial program: void producer_consumer(int *buffer, int size, int *vec, int n) { int i, j; long long unsigned int sum = 0; for(i=0;i<n;i++) { if(i % 2 == 0) { // PRODUCER for(j=0;j<size;j++) { buffer[j] = vec[i] + j*vec[i+1]; } } else { // CONSUMER for(j=0;j<size;j++) {...
Producer and Consumer Code in C++ The program will contain two methods- one each for the producer and consumer. Both methods share access to an integer array buffer of size 50 with all values initialized to 0 at the beginning and an integer variable counter initialized to 0. As given below, the producer accesses the buffer elements and updates the element to 1 ( indicating production). The consumer changes a buffer elements to 0 (indicating consumption). Enhancements and modifications: You...
Using the following pseudocode write a c program that solves the dining philosophers problem. #define N 5 #define LEFT (i+N-1)%N #define RIGHT (i+1)%N #define THINKING 0 #define HUNGRY 1 #define EATING 2 typedef int semaphore; int state[N]; semaphore mutex = 1; semaphore s[N]; void philosopher(int i) { while(TRUE) { think(); take_forks(i); eat(); put_forks(i); } } void take_forks(int i) { down(&mutex); state[i] = HUNGRY; test(i); up(&mutex); down(&s[i]); } void put_forks(i) { down(&mutex); state[i] = THINKING; test(LEFT); test(RIGHT); up(&mutex); } void test(i)...
need answers, thx 1. Which of the following best describes how clients interact with servers in a socket-based client-server system? the client sends requests to the IP address of the server the client connects to the server, which returns a socket descriptor the client connects to the server, which sends a request key the client receives responses from the server on a VPN connection none of the other options is correct Which of the following best describes what the bind()...
In c programming The Consumer Submits processing requests to the producer by supplying a file name, its location and a character. It also outputs the contents of the file provided by the producer to the standard output. The Producer Accepts multiple consumer requests and processes each request by creating the following four threads. The reader thread will read an input file, one line at a time. It will pass each line of input to the character thread through a queue...
In this assignment, you will write one (1) medium size C program. The program needs to be structured using multiple functions, i.e., you are required to organize your code into distinct logical units. The following set of instructions provide the specific requirements for the program. Make sure to test thoroughly before submitting. Write a program, named program1.c, that reads and processes employee records (data about an employee). Each employee record must be stored using a struct that contains the following ...