rio: add /dev/kbdtap

1 files changed, 16 insertions, 1 deletions

diff --git a/sys/src/cmd/rio/fsys.c b/sys/src/cmd/rio/fsys.c
index be81a1d57..49c9c7d2f 100644
--- a/sys/src/cmd/rio/fsys.c
+++ b/sys/src/cmd/rio/fsys.c
@@ -37,6 +37,7 @@ Dirtab dirtab[]=
 	{ "wctl",		QTFILE,	Qwctl,		0600 },
 	{ "window",	QTFILE,	Qwindow,		0400 },
 	{ "wsys",		QTDIR,	Qwsys,		0500|DMDIR },
+	{ "kbdtap",	QTFILE,	Qtap,	0660 },
 	{ nil, }
 };
 
@@ -115,6 +116,16 @@ cexecpipe(int *p0, int *p1)
 	return 0;
 }
 
+void
+toggletap(char mode)
+{
+	Tapmesg m;
+
+	m.type = mode;
+	m.s = nil;
+	send(fromtap, &m);
+}
+
 Filsys*
 filsysinit(Channel *cxfidalloc)
 {
@@ -506,7 +517,9 @@ filsysopen(Filsys *fs, Xfid *x, Fid *f)
 	}
 	if(((f->dir->perm&~(DMDIR|DMAPPEND))&m) != m)
 		goto Deny;
-		
+
+	if(FILE(f->qid) == Qtap)
+		toggletap(Fon);
 	sendp(x->c, xfidopen);
 	return nil;
 
@@ -616,6 +629,8 @@ filsysclunk(Filsys *fs, Xfid *x, Fid *f)
 	if(f->open){
 		f->busy = FALSE;
 		f->open = FALSE;
+		if(FILE(f->qid) == Qtap)
+			toggletap(Foff);
 		sendp(x->c, xfidclose);
 		return nil;
 	}