static int do_poll(unsigned int nfds, unsigned int nchunks, unsigned int nleft,
struct pollfd *fds[], poll_table *wait, long timeout)
{
int count;
poll_table* pt = wait;
for (;;) {
unsigned int i;
set_current_state(TASK_INTERRUPTIBLE);
count = 0;
for (i=0; i < nchunks; i++)
do_pollfd(POLLFD_PER_PAGE, fds[i], &pt, &count);
if (nleft)
do_pollfd(nleft, fds[nchunks], &pt, &count);
pt = NULL;
if (count || !timeout || signal_pending(current))
break;
count = wait->error;
if (count)
break;
timeout = schedule_timeout(timeout);
}
current->state = TASK_RUNNING;
return count;
}
static int do_poll(unsigned int nfds, struct poll_list *list,
struct poll_wqueues *wait, long timeout)
{
int count = 0;
poll_table* pt = &wait->pt;
if (!timeout)
pt = NULL;
for (;;) {
struct poll_list *walk;
set_current_state(TASK_INTERRUPTIBLE);
walk = list;
while(walk != NULL) {
do_pollfd( walk->len, walk->entries, &pt, &count);
walk = walk->next;
}
pt = NULL;
if (count || !timeout || signal_pending(current))
break;
count = wait->error;
if (count)
break;
timeout = schedule_timeout(timeout);
}
__set_current_state(TASK_RUNNING);
return count;
}
