#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>
#include <iostream>

using namespace std;


void* threadOne(void* flag){
    void* counter = malloc(sizeof(int));
    *(int*)counter = 0;
    puts("threadOne started");
    while (*reinterpret_cast<bool*>(flag)) {
        puts("1");
        (*(int*)counter)++;
        sleep(1);
    }
    puts("threadOne finished");
    pthread_exit(counter);
}


void* threadTwo(void* flag){
    void* counter = malloc(sizeof(int));
    *(int*)counter = 0;
    puts("threadTwo started");
    while (*reinterpret_cast<bool*>(flag)) {
        puts("2");
        (*(int*)counter)++;
        sleep(1);
    }
    puts("threadTwo finished");
    pthread_exit(counter);
}


int main(int argc, char** argv) {
    pthread_t thread1;
    pthread_t thread2;
    bool flag1 = true;
    bool flag2 = true;

    if(pthread_create(&thread1, NULL, threadOne, (void*)&flag1)){
        return EXIT_FAILURE;
    }

    if(pthread_create(&thread2, NULL, threadTwo, (void*)&flag2)){
        return EXIT_FAILURE;
    }

    getchar();

    flag1 = false;
    flag2 = false;

    int *firstCounter = nullptr;
    int *secondCounter = nullptr;

    if(pthread_join(thread1, (void**)&firstCounter)){
        return EXIT_FAILURE;
    }

    if(pthread_join(thread2, (void**)&secondCounter)){
        return EXIT_FAILURE;
    }

    cout<<*firstCounter<<endl;
    cout<<*secondCounter<<endl;

    free(firstCounter);
    free(secondCounter);

    return EXIT_SUCCESS;
}