Return to ct.c CVS log

Up to [MW Coherent from dump] / coherent / d / PS2_KERNEL / coh.286

coherent

/* $Header: /var/lib/cvsd/repos/coherent/coherent/d/PS2_KERNEL/coh.286/ct.c,v 1.1.1.1 2019/05/29 04:56:39 root Exp $ */
/* (lgl-
 *	The information contained herein is a trade secret of Mark Williams
 *	Company, and  is confidential information.  It is provided  under a
 *	license agreement,  and may be  copied or disclosed  only under the
 *	terms of  that agreement.  Any  reproduction or disclosure  of this
 *	material without the express written authorization of Mark Williams
 *	Company or persuant to the license agreement is unlawful.
 *
 *	COHERENT Version 2.3.37
 *	Copyright (c) 1982, 1983, 1984.
 *	An unpublished work by Mark Williams Company, Chicago.
 *	All rights reserved.
 -lgl) */
/*
 * Coherent
 * Console terminal driver.
 *
 * $Log: ct.c,v $
 * Revision 1.1.1.1  2019/05/29 04:56:39  root
 * coherent
 *
 * Revision 1.1  92/07/17  15:18:00  bin
 * Initial revision
 * 
 * Revision 1.1	88/03/24  16:18:09	src
 * Initial revision
 * 
 * 86/11/19	Allan Cornish		/usr/src/sys/drv/ct.c
 * Added support for System V.3 compatible polls.
 */
#include <sys/coherent.h>
#include <sys/con.h>
#include <errno.h>
#include <sys/proc.h>
#include <sys/stat.h>

/*
 * Functions for configuration.
 */
int	ctopen();
int	ctclose();
int	ctread();
int	ctwrite();
int	ctioctl();
int	ctpoll();
int	nulldev();
int	nonedev();

/*
 * Configuration table.
 */
CON ctcon ={
	DFCHR|DFPOL,			/* Flags */
	1,				/* Major index */
	ctopen,				/* Open */
	ctclose,			/* Close */
	nulldev,			/* Block */
	ctread,				/* Read */
	ctwrite,			/* Write */
	ctioctl,			/* Ioctl */
	nulldev,			/* Powerfail */
	nulldev,			/* Timeout */
	nulldev,			/* Load */
	nulldev,			/* Unload */
	ctpoll				/* Poll */
};

/*
 * Open.
 */
ctopen(dev, m)
dev_t dev;
{
	register dev_t ttdev;

	if ((ttdev=SELF->p_ttdev) == NODEV) {
		u.u_error = ENXIO;
		return;
	}
	dopen(ttdev, m, DFCHR);
}

/*
 * Close.
 */
ctclose(dev)
dev_t dev;
{
	dclose(SELF->p_ttdev);
}

/*
 * Read.
 */
ctread(dev, iop)
dev_t dev;
IO *iop;
{
	dread(SELF->p_ttdev, iop);
}

/*
 * Write.
 */
ctwrite(dev, iop)
dev_t dev;
IO *iop;
{
	dwrite(SELF->p_ttdev, iop);
}

/*
 * Ioctl.
 */
ctioctl(dev, com, vec)
dev_t dev;
struct sgttyb *vec;
{
	dioctl(SELF->p_ttdev, com, vec);
}

/*
 * Poll.
 */
ctpoll(dev, ev)
dev_t dev;
int ev;
{
	return dpoll(SELF->p_ttdev, ev);
}

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.