X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/c0835e32267e82eef8c502962f83ee9e3c264acd..a4128336689c24e0b4b3a90f16d4769f479dd282:/usr/src/sys/miscfs/fifofs/fifo_vnops.c

diff --git a/usr/src/sys/miscfs/fifofs/fifo_vnops.c b/usr/src/sys/miscfs/fifofs/fifo_vnops.c
index ed826d47ed..63cf4173bc 100644
--- a/usr/src/sys/miscfs/fifofs/fifo_vnops.c
+++ b/usr/src/sys/miscfs/fifofs/fifo_vnops.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
- *	@(#)fifo_vnops.c	7.4 (Berkeley) %G%
+ *	@(#)fifo_vnops.c	7.5 (Berkeley) %G%
  */
 
 #include "param.h"
@@ -42,6 +42,7 @@ int	fifo_lookup(),
 	fifo_unlock(),
 	fifo_close(),
 	fifo_print(),
+	fifo_advlock(),
 	fifo_ebadf(),
 	fifo_badop(),
 	fifo_nullop();
@@ -79,6 +80,7 @@ struct vnodeops fifo_vnodeops = {
 	fifo_badop,		/* strategy */
 	fifo_print,		/* print */
 	fifo_nullop,		/* islocked */
+	fifo_advlock,		/* advlock */
 };
 
 /*
@@ -371,6 +373,20 @@ fifo_ebadf()
 	return (EBADF);
 }
 
+/*
+ * Fifo advisory byte-level locks.
+ */
+fifo_advlock(vp, id, op, fl, flags)
+	struct vnode *vp;
+	caddr_t id;
+	int op;
+	struct flock *fl;
+	int flags;
+{
+
+	return (EOPNOTSUPP);
+}
+
 /*
  * Fifo bad operation
  */