List * create_node(int priority, int previous_at, float u, float lamda){
List * node = malloc(sizeof(List));
node -> priority = priority;
node -> arrTime = previous_at + random_time(u, lamda);
node -> next = NULL;
return node;
}
void Think(int phil) {
_T(pthread_mutex_lock(&aux_mutex));
int think_len = random_time();
think_time[phil] += think_len;
printf("Philosopher %d is thinking for %d s\n", phil, think_len);
_T(pthread_mutex_unlock(&aux_mutex));
sleep(think_len);
_T(pthread_mutex_lock(&aux_mutex));
printf("Philosopher %d stopped thinking\n", phil);
block_start[phil] = time(0);
_T(pthread_mutex_unlock(&aux_mutex));
}
void Eat(int phil) {
_T(pthread_mutex_lock(&aux_mutex));
block_time[phil] += time(0) - block_start[phil];
int eat_len = random_time();
eat_time[phil] += eat_len;
Pickup(phil);
printf("Philosopher %d is eating for %d s\n", phil, eat_len);
_T(pthread_mutex_unlock(&aux_mutex));
sleep(eat_len);
_T(pthread_mutex_lock(&aux_mutex));
printf("Philosopher %d stopped eating\n", phil);
Pickdown(phil);
_T(pthread_mutex_unlock(&aux_mutex));
}
struct tm *random_tm(void)
{
time_t t = random_time();
return localtime(&t);
}