arjankuijpers/current time stamp linux

## current time stamp linux
long long current_timestamp() {
    struct timeval te;
    gettimeofday(&te, NULL); // get current time
    long long milliseconds = te.tv_sec*1000LL + te.tv_usec/1000; // caculate milliseconds
    // printf("milliseconds: %lld\n", milliseconds);
    return milliseconds;
}
	long long current_timestamp() {
	struct timeval te;
	gettimeofday(&te, NULL); // get current time
	long long milliseconds = te.tv_sec*1000LL + te.tv_usec/1000; // caculate milliseconds
	// printf("milliseconds: %lld\n", milliseconds);
	return milliseconds;
	}