#include "pthread.h"
#include "stdlib.h"
#include "stdio.h"

int count;
int tot;

void* add(void* param)
{
  int i;
  for(i=0;i<tot;i++)
    count++;
}

void main(int argc, void** argv)
{
  count=0;
  if(argc<2){
    printf("Please input the number of increments.\n");
    exit(1);
  }
  tot = atoi(argv[1]);

  pthread_t child1, child2;
  pthread_create(&child1,NULL,add,NULL);
  pthread_create(&child2,NULL,add,NULL);

  pthread_join(child1, NULL);
  pthread_join(child2, NULL);

  printf("tot is %d count is %d\n", tot, count);
}