Esempi in C++ (Cpp) per random_length_task

Esempio n. 1

File: main.c Progetto: lctseng/NCTU-104-Spring-Unix-Programming

int main() {
	int n = 10;
	srand(time(0) ^ getpid());
	while(n-- > 0) {
		random_length_task();
	}
	return 0;
}

Esempio n. 2

File: main.c Progetto: u1240976/2016_adv_unix

int main(int argc, char *argv[]){

    int n = 10;
    if( argc == 2 ){
        char* endptr = NULL;
        n = strtol(argv[1], &endptr, 0);
        if( endptr == argv[1] ){
            /* first char of argument is not a number */
            perror("argument is not a number\n");
        }
        if( n == 0 ){
            perror("argument is 0\n");
        }
    }

    int total_round = n;
    srand(time(0) ^ getpid());

    struct timeval start_time;
    gettimeofday(&start_time, NULL);
    while( n-- > 0 ){
        // printf("Round %d\n", total_round - n);

        random_length_task();

        struct timeval task_finish, rest_of_time;
        gettimeofday(&task_finish, NULL);

        struct timeval expected_time = {start_time.tv_sec, start_time.tv_usec + 1000*100*(total_round - n)};
        expected_time.tv_sec += expected_time.tv_usec / 1000000; // 10^-6
        expected_time.tv_usec %= 1000000; // 10^-6

        timersub(&expected_time, &task_finish, &rest_of_time);

        struct timespec sleep_time;
        sleep_time.tv_sec = rest_of_time.tv_sec;
        sleep_time.tv_nsec = rest_of_time.tv_usec * 1000;
        nanosleep(&sleep_time, NULL);

        // printf("start time %ld.%06ld\n", start_time.tv_sec, start_time.tv_usec);
        // printf("task finish time %ld.%06ld\n", task_finish.tv_sec, task_finish.tv_usec);
        // printf("expected time %ld.%06ld\n", expected_time.tv_sec, expected_time.tv_usec);
        // printf("rest of time %ld.%06ld\n", rest_of_time.tv_sec, rest_of_time.tv_usec);
        // printf("\n");
    }

    return 0;
}

Esempio n. 3

File: main.c Progetto: misterlihao/unix104

int main(int argc, char ** argv) {
	srand(time(0) ^ getpid());
	int n = atoi(argv[1]);

	struct timeval start_time;
	gettimeofday(&start_time, NULL);

	while(n--) {
		int usec = get_us_elapsed_from(start_time);
		usec %= EXPECTED_SLOT_USEC;

		usleep(EXPECTED_SLOT_USEC - usec);
		random_length_task();
	}

	return 0;
}

Esempio n. 4

File: main.c Progetto: bananaappletw/nctu

int main(int argc,char * argv[]) {
    if( argc != 2)
    {
        printf("Usage: ./hw1 [times]\n");
        exit(-1);
    }
    struct timeval begin;
    struct timeval end;
    int n = atoi(argv[1]);
    srand(time(0) ^ getpid());
    while(n-- > 0) {
        gettimeofday(&begin, NULL);
        long int endtime=begin.tv_sec*1000000+begin.tv_usec+100000;
        random_length_task();
        while(1)
        {
            gettimeofday(&end, NULL);
            if(end.tv_sec*1000000+end.tv_usec >= endtime)
                break;
        }
    }
    return 0;
}

Esempio n. 5

File: main.c Progetto: tjjh89017/unix_programming

int main(int argc, char* argv[]) {
	int n = 10;
	struct timeval origin;
	struct timeval current;
	
	if(argc == 2){
		n = atoi(argv[1]);
	}

	srand(time(0));
	while(n--){
		gettimeofday(&origin, NULL);
		random_length_task();
		gettimeofday(&current, NULL);

		while((1000000 + current.tv_usec - origin.tv_usec) % 1000000 < DELAY_TIME){
			gettimeofday(&current, NULL);
		}

	}

	return 0;
}