int fd = shm_open("EscapeRoom", O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
    ftruncate(fd, sizeof(struct EscapeRoom));

    struct EscapeRoom *room;
    int prot = prot = PROT_READ | PROT_WRITE;
    int flags = MAP_SHARED | MAP_ANONYMOUS;
    room = (struct EscapeRoom *)mmap(NULL, sizeof(struct EscapeRoom), prot, flags, fd, 0);

    int liczbaGraczy;
    int liczbaPokoi;

    scanf("%d %d", &liczbaPokoi, &liczbaGraczy);

    room->ileDoWejscia = liczbaGraczy;
    room->ileDoWyjscia = liczbaGraczy;