From 190327c27aba32e02f7134276eded7175e41d825 Mon Sep 17 00:00:00 2001
From: Oliver Lehmann <lehmann@ans-netz.de>
Date: Sat, 24 May 2008 15:00:04 +0000
Subject: [PATCH] STATUS: 99%

    0000 T _fstat		compatible
    0044 T _stat		compatible
    0086 T _stat1		compatible
    0172 T _dup			compatible
    022e T _fcntl		compatible
    02fc T _smount		99% compatible
    04bc T _sumount		compatible
    05be T _getmdev		compatible
    062a T _ioctl		compatible
    06c2 T _stty		compatible
    06e2 T _gtty		compatible
    0702 T _mdmctl		compatible
---
 WEGA/src/uts/sys/sys3.c | 72 +++++++++++++++++++++--------------------
 1 file changed, 37 insertions(+), 35 deletions(-)

diff --git a/WEGA/src/uts/sys/sys3.c b/WEGA/src/uts/sys/sys3.c
index 17dda75..93a355f 100644
--- a/WEGA/src/uts/sys/sys3.c
+++ b/WEGA/src/uts/sys/sys3.c
@@ -228,7 +228,7 @@ smount()
 		return;
 	if (ip->i_count != 1)
 		goto out;
-	if (ip->i_mode&2000)
+	if ((ip->i_mode&0x2000) != 0)
 		goto out;
 	smp = NULL;
 	for(mp = &mount[0]; mp < &mount[Nmount]; mp++) {
@@ -244,7 +244,7 @@ smount()
 		goto out;
 	(*bdevsw[major(dev)].d_open)(dev, !uap->ronly);
 	if(u.u_error)
-		goto out1;
+		goto out;
 	bp = bread(dev, SUPERB);
 	if(u.u_error) {
 		brelse(bp);
@@ -263,15 +263,13 @@ smount()
 	ip->i_flag |= IMOUNT;
 	prele(ip);
 	return;
-
-out1:
-	mp->m_flags = MFREE;
 out:
-	if (u.u_error == 0)
-		u.u_error = EBUSY;
+	u.u_error = EBUSY;
+out1:
 	iput(ip);
 }
 
+
 /*
  * the umount system call.
  */
@@ -291,7 +289,7 @@ sumount()
 	xumount(dev);	/* remove unused sticky files from text table */
 	update();
 	for(mp = &mount[0]; mp < &mount[Nmount]; mp++)
-		if(mp->m_bufp)
+		if(mp->m_bufp && dev == mp->m_dev)
 			goto found;
 	u.u_error = EINVAL;
 	return;
@@ -311,10 +309,9 @@ found:
 	bp = mp->m_bufp;
 	mp->m_bufp = NULL;
 	brelse(bp);
-	/* FIXME: here has to be a clr @r8 - rr8 is mp */
+	mp->m_flags = MFREE;
 }
 
-
 /*
  * Common code for mount and umount.
  * Check that the user's argument is a reasonable
@@ -338,7 +335,6 @@ getmdev()
 	return(dev);
 }
 
-
 /*
  * character special i/o control
  */
@@ -349,10 +345,10 @@ ioctl()
 	register struct a {
 		int	fdes;
 		int	cmd;
-		int	arg;
+		caddr_t	arg;
 	} *uap;
 	register dev_t dev;
-
+	
 	uap = (struct a *)u.u_ap;
 	if ((fp = getf(uap->fdes)) == NULL)
 		return;
@@ -361,38 +357,44 @@ ioctl()
 		u.u_error = ENOTTY;
 		return;
 	}
+	u.u_r.r_val1 = 0;
 	dev = (dev_t)ip->i_rdev;
 	(*cdevsw[major(dev)].d_ioctl)(minor(dev),uap->cmd,uap->arg,fp->f_flag);
 }
 
-/*
- * old stty and gtty
- */
 stty()
 {
-	register struct a {
-		int	fdes;
-		int	arg;
-		int	narg;
-	} *uap;
-
-	uap = (struct a *)u.u_ap;
-	uap->narg = uap->arg;
-	uap->arg = TIOCSETP;
+	u.u_arg[1] = TIOCSETP;
+	u.u_arg[3] = u.u_arg[2];
+	u.u_arg[2] = 0x3f00;
 	ioctl();
 }
-
+ 
 gtty()
 {
-	register struct a {
-		int	fdes;
-		int	arg;
-		int	narg;
-	} *uap;
-
-	uap = (struct a *)u.u_ap;
-	uap->narg = uap->arg;
-	uap->arg = TIOCGETP;
+	u.u_arg[1] = TIOCGETP;
+	u.u_arg[3] = u.u_arg[2];
+	u.u_arg[2] = 0x3f00;
 	ioctl();
 }
 
+/*
+ * modem control
+ */
+
+mdmmctl()
+{
+	register struct a {
+		int request;
+		long *modems;
+		int dev;
+	} *uap;
+	
+	uap = (struct a *)u.u_ap;
+	if (uap->dev<0||uap->dev>=nchrdev ) {
+		u.u_error = ENODEV;
+		return;
+	}
+	u.u_r.r_val1 = 0;
+	(*cdevsw[uap->dev].d_ioctl)(0,uap->request,uap->modems,uap->dev);
+}