Add ptyfs lkm.

sys/lkm/vfs/miscfs/Makefile

@@ -1,5 +1,5 @@
-#	$NetBSD: Makefile,v 1.5 2003/03/17 09:18:54 jdolecek Exp $
+#	$NetBSD: Makefile,v 1.6 2004/11/11 01:43:25 christos Exp $
 
-SUBDIR=	fdesc kernfs nullfs overlay portal procfs umapfs union
+SUBDIR=	fdesc kernfs nullfs overlay portal procfs ptyfs umapfs union
 
 .include <bsd.subdir.mk>

sys/lkm/vfs/miscfs/ptyfs/Makefile

@@ -0,0 +1,13 @@
+#	$NetBSD: Makefile,v 1.1 2004/11/11 01:43:25 christos Exp $
+
+.include "../Makefile.inc"
+
+.PATH:	$S/miscfs/ptyfs ${.CURDIR}/../.. $S/arch/${MACHINE}/${MACHINE} \
+	$S/arch/${MACHINE_CPU}/${MACHINE_CPU}
+
+KMOD=	ptyfs
+
+SRCS=	lkminit_vfs.c
+SRCS+=	ptyfs_vfsops.c ptyfs_vnops.c ptyfs_subr.c
+
+.include <bsd.kmod.mk>

sys/lkm/vfs/miscfs/ptyfs/lkminit_vfs.c

@@ -0,0 +1,98 @@
+/* $NetBSD: lkminit_vfs.c,v 1.1 2004/11/11 01:43:25 christos Exp $ */
+
+/*-
+ * Copyright (c) 1996 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Michael Graff <explorer@flame.org>.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: lkminit_vfs.c,v 1.1 2004/11/11 01:43:25 christos Exp $");
+
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/ioctl.h>
+#include <sys/systm.h>
+#include <sys/conf.h>
+#include <sys/mount.h>
+#include <sys/exec.h>
+#include <sys/lkm.h>
+#include <sys/file.h>
+#include <sys/errno.h>
+
+#include <miscfs/ptyfs/ptyfs.h>
+
+int ptyfs_lkmentry(struct lkm_table *, int, int);
+
+/*
+ * This is the vfsops table for the file system in question
+ */
+extern struct vfsops ptyfs_vfsops;
+
+/*
+ * declare the filesystem
+ */
+MOD_VFS("ptyfs", -1, &ptyfs_vfsops);
+
+/*
+ * take care of fs specific sysctl nodes
+ */
+static int load(struct lkm_table *, int);
+static int unload(struct lkm_table *, int);
+static struct sysctllog *_ptyfs_log;
+
+/*
+ * entry point
+ */
+int
+ptyfs_lkmentry(struct lkm_table *lkmtp, int cmd, int ver)
+{
+
+	DISPATCH(lkmtp, cmd, ver, load, unload, lkm_nofunc)
+}
+
+static int
+load(struct lkm_table *lkmtp, int cmd)
+{
+
+	sysctl_vfs_ptyfs_setup(&_ptyfs_log);
+	return (0);
+}
+
+static int
+unload(struct lkm_table *lkmtp, int cmd)
+{
+
+	sysctl_teardown(&_ptyfs_log);
+	return (0);
+}