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

int main(int argc, char *argv[])
{
	struct timespec time1, start, ende;
	time1.tv_sec = 5;
	time1.tv_nsec = 0;
	clock_gettime(CLOCK_MONOTONIC, &start);
	clock_nanosleep(CLOCK_MONOTONIC, 0, &time1, NULL);
	clock_gettime(CLOCK_MONOTONIC, &ende);	

	int nsec_difference = (int) ((ende.tv_nsec - start.tv_nsec)/1000);


	//microseconds

	int sec_difference = (int) (ende.tv_sec - start.tv_sec)*1000*1000;
	int real_time_slept =  sec_difference + nsec_difference;
	
	int difference_real_set = real_time_slept - time1.tv_sec * 1000 * 1000;



	printf("Real time slept: %d\n", real_time_slept);
	printf("Difference Real time slept and actually sleep time: %d usec\n", difference_real_set);


	return 0;
}