void * thread1 (void){
printf(1, "I went to sleep %d\n", kthread_id());
kthread_mutex_lock(lock);
kthread_cond_wait(cond, lock);
printf(1, "im came alive!! %d\n", kthread_id());
kthread_mutex_unlock(lock);
kthread_exit();
return (void *) 0;
}
PollChannel::~PollChannel()
{
ScopedLock lock(&channel_lock);
// TODO: Is this the correct error to signal with?
SignalUnlocked(POLLHUP);
// Note: We can't stop early in case of a signal, because that would mean
// other threads are still using our data, and since this is the destructor,
// leaving early _will_ cause data corruption. Luckily, this loop will
// terminate because everyone is now woken up and will cancel, which is what
// we wait for to finish. No new requests can come, since we are the
// destructor - whoever owns this object is no longer using it.
while ( first )
kthread_cond_wait(&no_pending_cond, &channel_lock);
}