From 1ffbda9a9e6adece3a5f47779636f5813e74b51f Mon Sep 17 00:00:00 2001
From: peter <peter@FreeBSD.org>
Date: Sun, 14 Sep 1997 02:49:06 +0000
Subject: Provide a 'return true' poll vnode op rather than duplicating the 'do
 nothing' case all over the various filesystems.

---
 sys/kern/vfs_export.c | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

(limited to 'sys/kern/vfs_export.c')

diff --git a/sys/kern/vfs_export.c b/sys/kern/vfs_export.c
index bed6d76..8a2d1b5 100644
--- a/sys/kern/vfs_export.c
+++ b/sys/kern/vfs_export.c
@@ -36,7 +36,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)vfs_subr.c	8.31 (Berkeley) 5/26/95
- * $Id: vfs_subr.c,v 1.101 1997/09/07 16:20:46 bde Exp $
+ * $Id: vfs_subr.c,v 1.102 1997/09/13 15:02:28 peter Exp $
  */
 
 /*
@@ -54,6 +54,7 @@
 #include <sys/stat.h>
 #include <sys/buf.h>
 #include <sys/malloc.h>
+#include <sys/poll.h>
 #include <sys/domain.h>
 #include <sys/dirent.h>
 
@@ -1627,6 +1628,25 @@ loop:
 }
 
 /*
+ * Return true for select/poll.
+ */
+int
+vop_nopoll(ap)
+	struct vop_poll_args /* {
+		struct vnode *a_vp;
+		int  a_events;
+		struct ucred *a_cred;
+		struct proc *a_p;
+	} */ *ap;
+{
+
+	/*
+	 * Just return what we were asked for.
+	 */
+	return (ap->a_events & (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM));
+}
+
+/*
  * Print out a description of a vnode.
  */
 static char *typename[] =
-- 
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