void *
philosopher (void *num)
{
int id;
int i, left_chopstick, right_chopstick, f;
id = (intptr_t)num;
printf ("Philosopher %d is done thinking and now ready to eat.\n", id);
right_chopstick = id;
left_chopstick = id + 1;
/* 箸が一巡した */
if (left_chopstick == PHILOS)
left_chopstick = 0;
while (f = food_on_table ()) {
get_token ();
grab_chopstick (id, right_chopstick, "right ");
grab_chopstick (id, left_chopstick, "left");
printf ("Philosopher %d: eating.\n", id);
usleep (DELAY * (FOOD - f + 1));
down_chopsticks (left_chopstick, right_chopstick);
return_token ();
}
printf ("Philosopher %d is done eating.\n", id);
return (NULL);
}
void *
philosopher (void *num)
{
int id;
int i, left_chopstick, right_chopstick, f;
id = (intptr_t)num;
printf ("Philosopher %d is done thinking and now ready to eat.\n", id);
right_chopstick = id;
left_chopstick = id + 1;
/* Wrap around the chopsticks. */
if (left_chopstick == PHILOS)
left_chopstick = 0;
while (f = food_on_table ()) {
f = food_on_table ();
if (id == 1)
sleep (sleep_seconds);
grab_chopstick (id, right_chopstick, "right ");
grab_chopstick (id, left_chopstick, "left");
printf ("Philosopher %d: eating.\n", id);
usleep (DELAY * (FOOD - f + 1));
/*i = rand()%9999;
while (--i);*/
//gtthread_yield();
//usleep (DELAY);
down_chopsticks (left_chopstick, right_chopstick);
}
printf ("Philosopher %d is done eating.\n", id);
return (NULL);
}