C++ (Cpp) x25_asy_alloc Examples

Example #1

File: x25_asy.c Project: Lyude/linux

static int x25_asy_open_tty(struct tty_struct *tty)
{
	struct x25_asy *sl;
	int err;

	if (tty->ops->write == NULL)
		return -EOPNOTSUPP;

	/* OK.  Find a free X.25 channel to use. */
	sl = x25_asy_alloc();
	if (sl == NULL)
		return -ENFILE;

	sl->tty = tty;
	tty->disc_data = sl;
	tty->receive_room = 65536;
	tty_driver_flush_buffer(tty);
	tty_ldisc_flush(tty);

	/* Restore default settings */
	sl->dev->type = ARPHRD_X25;

	/* Perform the low-level X.25 async init */
	err = x25_asy_open(sl->dev);
	if (err) {
		x25_asy_free(sl);
		return err;
	}
	/* Done.  We have linked the TTY line to a channel. */
	return 0;
}

Example #2

File: x25_asy.c Project: KaZoom/buildroot-linux-kernel-m3

static int x25_asy_open_tty(struct tty_struct *tty)
{
	struct x25_asy *sl = tty->disc_data;
	int err;

	if (tty->ops->write == NULL)
		return -EOPNOTSUPP;

	/* First make sure we're not already connected. */
	if (sl && sl->magic == X25_ASY_MAGIC)
		return -EEXIST;

	/* OK.  Find a free X.25 channel to use. */
	sl = x25_asy_alloc();
	if (sl == NULL)
		return -ENFILE;

	sl->tty = tty;
	tty->disc_data = sl;
	tty->receive_room = 65536;
	tty_driver_flush_buffer(tty);
	tty_ldisc_flush(tty);

	/* Restore default settings */
	sl->dev->type = ARPHRD_X25;

	/* Perform the low-level X.25 async init */
	err = x25_asy_open(sl->dev);
	if (err)
		return err;
	/* Done.  We have linked the TTY line to a channel. */
	return sl->dev->base_addr;
}

Example #3

File: x25_asy.c Project: romanbb/android_kernel_lge_d851

static int x25_asy_open_tty(struct tty_struct *tty)
{
	struct x25_asy *sl = tty->disc_data;
	int err;

	if (tty->ops->write == NULL)
		return -EOPNOTSUPP;

	/*                                              */
	if (sl && sl->magic == X25_ASY_MAGIC)
		return -EEXIST;

	/*                                       */
	sl = x25_asy_alloc();
	if (sl == NULL)
		return -ENFILE;

	sl->tty = tty;
	tty->disc_data = sl;
	tty->receive_room = 65536;
	tty_driver_flush_buffer(tty);
	tty_ldisc_flush(tty);

	/*                          */
	sl->dev->type = ARPHRD_X25;

	/*                                       */
	err = x25_asy_open(sl->dev);
	if (err)
		return err;
	/*                                                  */
	return 0;
}

Example #4

File: x25_asy.c Project: gnensis/linux-2.6.15

static int x25_asy_open_tty(struct tty_struct *tty)
{
	struct x25_asy *sl = (struct x25_asy *) tty->disc_data;
	int err;

	/* First make sure we're not already connected. */
	if (sl && sl->magic == X25_ASY_MAGIC) {
		return -EEXIST;
	}

	/* OK.  Find a free X.25 channel to use. */
	if ((sl = x25_asy_alloc()) == NULL) {
		return -ENFILE;
	}

	sl->tty = tty;
	tty->disc_data = sl;
	if (tty->driver->flush_buffer)  {
		tty->driver->flush_buffer(tty);
	}
	if (tty->ldisc.flush_buffer)  {
		tty->ldisc.flush_buffer(tty);
	}

	/* Restore default settings */
	sl->dev->type = ARPHRD_X25;
	
	/* Perform the low-level X.25 async init */
	if ((err = x25_asy_open(sl->dev)))
		return err;

	/* Done.  We have linked the TTY line to a channel. */
	return sl->dev->base_addr;
}