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File:  [MW Coherent from dump] / coherent / d / PS2_KERNEL / io.386 / msgstub.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Wed May 29 04:56:39 2019 UTC (7 years ago) by root
Branches: MarkWilliams, MAIN
CVS tags: relic, HEAD
coherent

/* $Header: /var/lib/cvsd/repos/coherent/coherent/d/PS2_KERNEL/io.386/msgstub.c,v 1.1.1.1 2019/05/29 04:56:39 root Exp $
 *
 *	The  information  contained herein  is a trade secret  of INETCO
 *	Systems, 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
 *	INETCO Systems or persuant to the license agreement is unlawful.
 *
 *	Copyright (c) 1985
 *	An unpublished work by INETCO Sys/

#include <sys/coherent.h>
#include <errno.h>
#include <sys/inode.h>
#include <sys/fdisk.h>
#include <sys/buf.h>
#include <sys/con.h>

fdisk(dev, fp)
dev_t dev;
register struct fdisk_s *fp;
{
	register struct hdisk_s *hp;
	BUF *bp;
	int s, i;
	int ret = 0;

	s = sphi();
	dopen(dev, IPR, DFBLK);

	if (u.u_error == 0) {		/* special device now open */

		if (bp = bread(dev, (daddr_t) 0, 1)) {	/* data read */

			/* buffer cache is in kernel data space */
#ifdef _I386
			hp = bp->b_vaddr;
#else
			hp = FP_OFF(bp->b_faddr);
#endif

			if(hp->hd_sig==HDSIG) {
				for (i=0; i < NPARTN; ++i)
					*fp++ = hp->hd_partn[i];
				ret   = 1;
			}
			brelease(bp);
		}
		dclose(dev);
	}
	spl(s);
	return ret;
}
io.386/fl.c
unix.superglobalmegacorp.com

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