47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
#include <iostream>
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#include <memory>
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#include <list>
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#include <string>
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#include <thread>
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#include <cstdio>
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#include <random>
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#include <philosopher.hpp>
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class Philosopher;
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void
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findNumberOfPhilosophersInParams(const int argc, char **argv, int *const numberOfPhilosophers);
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int
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main(int argc, char **argv) {
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ListOfPhilosophersPtr philosophers;
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philosophers = ListOfPhilosophersPtr(new ListOfPhilosophers());
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int numberOfPhilosophers = 5;
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findNumberOfPhilosophersInParams(argc, argv, &numberOfPhilosophers);
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printf("%d philosophers to create.\n", numberOfPhilosophers);
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for (int i = 0; i < numberOfPhilosophers; i++) {
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printf("Creating philosopher: %d.\n", i);
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philosophers->push_back(PhilosopherPtr(new Philosopher(philosophers, i)));
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}
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std::vector<std::jthread> threads;
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for (unsigned long int i = 0; i < philosophers->size(); i++) {
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std::shared_ptr<unsigned long> numberOfPhilosopher(new unsigned long(i));
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threads.push_back(std::jthread([philosophers, numberOfPhilosopher] {
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(*philosophers)[*numberOfPhilosopher]->startThread();
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} ));
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}
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}
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void
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findNumberOfPhilosophersInParams(const int argc, char **argv, int *const numberOfPhilosophers) {
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if (argc >= 2) {
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const char *numberOfPhilosophersAsString = argv[1];
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try {
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*numberOfPhilosophers = std::stoi(numberOfPhilosophersAsString, NULL, 10);
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} catch (std::exception &ex) {
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printf("Unable to read the number of philosophers, continuing\n");
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}
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}
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}
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