C++ (Cpp) devpoll_write_update Exemples

Exemple #1

Fichier : s_bsd_devpoll.c Projet : codemstr/eircd-hybrid-8

/*
 * comm_setselect
 *
 * This is a needed exported function which will be called to register
 * and deregister interest in a pending IO state for a given FD.
 */
void
comm_setselect(fde_t *F, unsigned int type, void (*handler)(fde_t *, void *),
               void *client_data, time_t timeout)
{
  int new_events;

  if ((type & COMM_SELECT_READ))
  {
    F->read_handler = handler;
    F->read_data = client_data;
  }

  if ((type & COMM_SELECT_WRITE))
  {
    F->write_handler = handler;
    F->write_data = client_data;
  }

  new_events = (F->read_handler ? POLLIN : 0) |
    (F->write_handler ? POLLOUT : 0);

  if (timeout != 0)
  {
    F->timeout = CurrentTime + (timeout / 1000);
    F->timeout_handler = handler;
    F->timeout_data = client_data;
  }

  if (new_events != F->evcache)
  {
    devpoll_write_update(F->fd, POLLREMOVE);
    if ((F->evcache = new_events))
      devpoll_write_update(F->fd, new_events);
  }
}

Exemple #2

Fichier : s_bsd_devpoll.c Projet : BackupTheBerlios/shadowircd

void
devpoll_update_events(int fd, short filter, PF * handler)
{
	int update_required = 0;
	int cur_mask = fdmask[fd];
	PF *cur_handler;
	fdmask[fd] = 0;
	switch (filter)
	{
	case COMM_SELECT_READ:
		cur_handler = fd_table[fd].read_handler;
		if(handler)
			fdmask[fd] |= POLLRDNORM;
		else
			fdmask[fd] &= ~POLLRDNORM;
		if(fd_table[fd].write_handler)
			fdmask[fd] |= POLLWRNORM;
		break;
	case COMM_SELECT_WRITE:
		cur_handler = fd_table[fd].write_handler;
		if(handler)
			fdmask[fd] |= POLLWRNORM;
		else
			fdmask[fd] &= ~POLLWRNORM;
		if(fd_table[fd].read_handler)
			fdmask[fd] |= POLLRDNORM;
		break;
	default:
#ifdef NOTYET
		ilog(L_NOTICE, "devpoll_update_events called with unknown filter: %hd\n", filter);
#endif
		return;
		break;
	}

	if(cur_handler == NULL && handler != NULL)
		update_required++;
	else if(cur_handler != NULL && handler == NULL)
		update_required++;
	if(cur_mask != fdmask[fd])
		update_required++;
	if(update_required)
	{
		/*
		 * Ok, we can call devpoll_write_update() here now to re-build the
		 * fd struct. If we end up with nothing on this fd, it won't write
		 * anything.
		 */
		if(fdmask[fd])
		{
			devpoll_write_update(fd, POLLREMOVE);
			devpoll_write_update(fd, fdmask[fd]);
		}
		else
			devpoll_write_update(fd, POLLREMOVE);
	}
}

Exemple #3

Fichier : devpoll.c Projet : Cloudxtreme/ircd-ratbox-1

static void
devpoll_update_events(rb_fde_t *F, short filter, PF * handler)
{
	int update_required = 0;
	int fd = rb_get_fd(F);
	int cur_mask = fdmask[fd];
	PF *cur_handler;
	fdmask[fd] = 0;
	switch (filter)
	{
	case RB_SELECT_READ:
		cur_handler = F->read_handler;
		if(handler)
			fdmask[fd] |= POLLRDNORM;
		else
			fdmask[fd] &= ~POLLRDNORM;
		if(F->write_handler)
			fdmask[fd] |= POLLWRNORM;
		break;
	case RB_SELECT_WRITE:
		cur_handler = F->write_handler;
		if(handler)
			fdmask[fd] |= POLLWRNORM;
		else
			fdmask[fd] &= ~POLLWRNORM;
		if(F->read_handler)
			fdmask[fd] |= POLLRDNORM;
		break;
	default:
		return;
		break;
	}

	if(cur_handler == NULL && handler != NULL)
		update_required++;
	else if(cur_handler != NULL && handler == NULL)
		update_required++;
	if(cur_mask != fdmask[fd])
		update_required++;
	if(update_required)
	{
		/*
		 * Ok, we can call devpoll_write_update() here now to re-build the
		 * fd struct. If we end up with nothing on this fd, it won't write
		 * anything.
		 */
		if(fdmask[fd])
		{
			devpoll_write_update(fd, POLLREMOVE);
			devpoll_write_update(fd, fdmask[fd]);
		}
		else
			devpoll_write_update(fd, POLLREMOVE);
	}
}

Exemple #4

Fichier : s_bsd_devpoll.c Projet : ircd-hybrid/ircd-hybrid

/*
 * comm_setselect
 *
 * This is a needed exported function which will be called to register
 * and deregister interest in a pending IO state for a given FD.
 */
void
comm_setselect(fde_t *F, unsigned int type, void (*handler)(fde_t *, void *),
               void *client_data, uintmax_t timeout)
{
  int new_events;

  assert(F);
  assert(F->flags.open == true);

  if ((type & COMM_SELECT_READ))
  {
    F->read_handler = handler;
    F->read_data = client_data;
  }

  if ((type & COMM_SELECT_WRITE))
  {
    F->write_handler = handler;
    F->write_data = client_data;
  }

  new_events = (F->read_handler ? POLLIN : 0) |
    (F->write_handler ? POLLOUT : 0);

  if (timeout)
  {
    F->timeout = event_base->time.sec_monotonic + timeout;
    F->timeout_handler = handler;
    F->timeout_data = client_data;
  }

  if (new_events != F->evcache)
  {
    devpoll_write_update(F->fd, POLLREMOVE);
    if ((F->evcache = new_events))
      devpoll_write_update(F->fd, new_events);
  }
}