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

int fibCount;      // Size of fibonacci sequence
int fibSum;        // Fib values
pthread_attr_t attr;

int fibSeq(int x){
   if (x <= 1) {
     return 1;
   }
   return fibSeq(x-1) + fibSeq(x-2);
}

void *runs(void *param)
{
   fibSum = fibSeq((int)param);
   pthread_exit(0);
}

int main(int argc, const char * argv[]) {

    //Validates argc
    if(argc != 2){
        return -1;
    }
    //Validates argv
    if (atoi(argv[1]) < 1)
    {
        printf("%d must be>1\n", atoi(argv[1]));
        return -1;
    }
    fibCount = atoi(argv[1]);
    pthread_attr_init(&attr);
    for(int i=1;i<=fibCount;i++){
        pthread_t thread;
        pthread_create(&thread,&attr,runs,(void*)i);
        pthread_join(thread,NULL);
        if(i < fibCount){
            printf("%d, ", fibSum);
        } else {
            printf("%d\n", fibSum);
        }
    }
    return 0;
}