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Code Issues Releases Activity

Allow for loadable line disciplines (eventually).

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This commit is contained in:
Garrett Wollman 1994-10-05 21:22:24 +00:00
parent 2624cf89f9
commit 5d1b52e53e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=3378
1 changed files with 12 additions and 35 deletions
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47
sys/kern/tty_conf.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)tty_conf.c 8.4 (Berkeley) 1/21/94
* $Id$
* $Id: tty_conf.c,v 1.3 1994/08/02 07:42:50 davidg Exp $
*/
#include <sys/param.h>
@ -56,28 +56,15 @@
int nullioctl __P((struct tty *tp, int cmd, caddr_t data,
int flag, struct proc *p));
#include "tb.h"
#if NTB > 0
int tbopen __P((dev_t dev, struct tty *tp));
int tbclose __P((struct tty *tp, int flags));
int tbread __P((struct tty *, struct uio *, int flags));
int tbioctl __P((struct tty *tp, int cmd, caddr_t data,
int flag, struct proc *p));
int tbinput __P((int c, struct tty *tp));
#ifndef MAXLDISC
#define MAXLDISC 8
#endif
#include "sl.h"
#if NSL > 0
int slopen __P((dev_t dev, struct tty *tp));
int slclose __P((struct tty *tp, int flags));
int sltioctl __P((struct tty *tp, int cmd, caddr_t data,
int flag, struct proc *p));
int slinput __P((int c, struct tty *tp));
int slstart __P((struct tty *tp));
#endif
#define NODISC(n) \
{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, \
ttyerrinput, ttyerrstart, nullmodem },
struct linesw linesw[] =
struct linesw linesw[MAXLDISC] =
{
{ ttyopen, ttylclose, ttread, ttwrite, nullioctl,
ttyinput, ttstart, ttymodem }, /* 0- termios */
@ -93,21 +80,11 @@ struct linesw linesw[] =
ttyerrinput, ttyerrstart, nullmodem },
#endif
#if NTB > 0
{ tbopen, tbclose, tbread, enodev, tbioctl,
tbinput, ttstart, nullmodem }, /* 3- TABLDISC */
#else
{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
ttyerrinput, ttyerrstart, nullmodem },
#endif
#if NSL > 0
{ slopen, slclose, ttyerrio, ttyerrio, sltioctl,
slinput, slstart, nullmodem }, /* 4- SLIPDISC */
#else
{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
ttyerrinput, ttyerrstart, nullmodem },
#endif
NODISC(3) /* TABLDISC */
NODISC(4) /* SLIPDISC */
NODISC(5) /* PPPDISC */
NODISC(6) /* loadable */
NODISC(7) /* loadable */
};
int nlinesw = sizeof (linesw) / sizeof (linesw[0]);