From 3af1f1add558c54c8efe5dcea8d61066b20c2571 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Fri, 27 Apr 2001 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2001-04-27

---
 pc/devvga.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/pc/devvga.c b/pc/devvga.c
index 0e6bf0b7f0096d21efe4edfdbfb6b1a1dea896c1..2522a90637cde52310e19012141ea6163d76c0e7 100644
--- a/pc/devvga.c
+++ b/pc/devvga.c
@@ -61,12 +61,22 @@ vgastat(Chan* c, char* dp)
 static Chan*
 vgaopen(Chan* c, int omode)
 {
+	pprint("vgaopen: pid %d, %d %p\n", up->pid, c->ref, c);
 	return devopen(c, omode, vgadir, nelem(vgadir), devgen);
 }
 
 static void
-vgaclose(Chan*)
-{
+vgaclose(Chan*c)
+{		
+	VGAscr *scr;
+
+	pprint("vgaclose: pid %d, %d, %p\n", up->pid, c->ref, c);
+	scr = &vgascreen[0];
+	if (scr && scr->dev && scr->dev->ovlctl) {
+		static char *disable = "disable\n";
+		pprint("vgaclose: Calling ovlctl (%p) %p\n", scr->dev->ovlctl, disable);
+		scr->dev->ovlctl(scr, disable, strlen(disable));
+	}
 }
 
 static void
@@ -386,6 +396,7 @@ vgawrite(Chan* c, void* a, long n, vlong off)
 			error(Enooverlay);
 			break;
 		}
+		pprint("vgawrite: Calling ovlctl (%p) (%s)\n", scr->dev->ovlctl, a);
 		return scr->dev->ovlctl(scr, a, n);
 
 	default: