#include<pthread.h>
#include<unistd.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<sched.h>

int *a_location;
char *string_location;
void *thread_function(void* p){
	printf("Thread 1 CPU:  %u\n", sched_getcpu());
	int a = 47;	
	a_location = &a;
	sleep(2);
	printf("A is now %d\n", a);
	printf("Triva fact:  %s\n", string_location);
	free(string_location);
	printf("Thread 1 CPU:  %u\n", sched_getcpu());
}

void *other_thread_function(void* p){
	printf("Thread 2 CPU:  %u\n", sched_getcpu());
	string_location = malloc(128);
	strcpy(string_location, "A moose was eaten by a shark");
	sleep(1);
	printf("A has the value %d\n", *a_location);
	*a_location = 64;
	printf("Thread 2 CPU:  %u\n", sched_getcpu());
}

int main(){
	printf("Main CPU:  %u\n", sched_getcpu());
	pthread_t thread_handle, thread_handle2;
	int array[10];
	pthread_create(&thread_handle, 0, thread_function, 0);
	pthread_create(&thread_handle2, 0, other_thread_function, 0);


	pthread_join(thread_handle, 0);  // Wait for the thread to finish
	pthread_join(thread_handle2, 0);  // Wait for the thread to finish
	printf("Main CPU:  %u\n", sched_getcpu());
	return 0;
}