#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include "time_ms.h"

time_ms get_time_ms()
{
    struct timeval timeval;
    if (gettimeofday(&timeval, NULL)) {
        perror("gettimeofday()");
        exit(42);
    }
    return timeval.tv_sec * 1000 + timeval.tv_usec / 1000;
}