95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
#include <iostream>
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#include <thread>
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#include <vector>
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#include <unistd.h>
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#include "signal_handler.h"
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#include "buffer.h"
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#include "producer.h"
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#include "consumer.h"
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#include "reader_writer.h"
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[[noreturn]] void runSignalHandler() {
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setupSignalHandlers();
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std::cout << "PID: " << getpid() << std::endl;
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while (true) {
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pause();
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}
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}
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void runProducerConsumer() {
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Buffer buffer(10);
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std::counting_semaphore<3> producerSem(3);
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std::counting_semaphore<5> consumerSem(5);
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std::vector<std::thread> producers;
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std::vector<std::thread> consumers;
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for (int i = 0; i < 3; ++i) {
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producers.emplace_back([i, &buffer, &producerSem]() {
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const Producer producer(i, buffer, producerSem);
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producer.run();
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});
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}
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for (int i = 0; i < 3; ++i) {
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consumers.emplace_back([i, &buffer, &consumerSem]() {
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const Consumer consumer(i, buffer, consumerSem);
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consumer.run();
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});
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}
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for (auto& p : producers) {
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p.join();
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}
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for (auto& c : consumers) {
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c.join();
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}
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}
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void runReaderWriter() {
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int numReaders = 5;
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int numWriters = 2;
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std::string filename = "shared_resource.txt";
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std::ofstream file(filename, std::ios::trunc);
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file.close();
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ReaderWriter rw(numReaders, numWriters, filename);
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rw.run();
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}
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int main() {
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while (true) {
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std::cout << "=== Main Menu ===\n";
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std::cout << "1. Run Signal Handler\n";
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std::cout << "2. Run Producer/Consumer\n";
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std::cout << "3. Run Reader/Writer\n";
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std::cout << "0. Exit\n";
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std::cout << "Enter your choice: ";
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int choice;
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std::cin >> choice;
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switch (choice) {
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case 1:
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std::cout << "Running Signal Handler...\n";
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runSignalHandler();
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break;
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case 2:
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std::cout << "Running Producer/Consumer...\n";
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runProducerConsumer();
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break;
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case 3:
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std::cout << "Running Reader-Writer...\n";
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runReaderWriter();
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break;
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case 0:
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std::cout << "Exiting program. Goodbye!\n";
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return 0;
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default:
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std::cout << "Invalid choice. Please try again.\n";
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break;
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}
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}
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}
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