Add ng_rmnode_flags() so the caller can pass NG_QUEUE and have the node

destroyed asynchronously due to locking or other constraints.

Reviewed by:	julian

2 files changed, 9 insertions, 2 deletions

diff --git a/sys/netgraph/netgraph.h b/sys/netgraph/netgraph.h
index 70472d7..53fab56 100644
--- a/sys/netgraph/netgraph.h
+++ b/sys/netgraph/netgraph.h
@@ -1130,6 +1130,7 @@ item_p	ng_package_msg(struct ng_mesg *msg, int flags);
 item_p	ng_package_msg_self(node_p here, hook_p hook, struct ng_mesg *msg);
 void	ng_replace_retaddr(node_p here, item_p item, ng_ID_t retaddr);
 int	ng_rmhook_self(hook_p hook);	/* if a node wants to kill a hook */
+int	ng_rmnode_flags(node_p here, int flags);
 int	ng_rmnode_self(node_p here);	/* if a node wants to suicide */
 int	ng_rmtype(struct ng_type *tp);
 int	ng_snd_item(item_p item, int queue);
diff --git a/sys/netgraph/ng_base.c b/sys/netgraph/ng_base.c
index 4012e35..82caad1 100644
--- a/sys/netgraph/ng_base.c
+++ b/sys/netgraph/ng_base.c
@@ -1507,7 +1507,7 @@ ng_mkpeer(node_p node, const char *name, const char *name2, char *type)
 /* Shut this node down as soon as everyone is clear of it */
 /* Should add arg "immediately" to jump the queue */
 int
-ng_rmnode_self(node_p node)
+ng_rmnode_flags(node_p node, int flags)
 {
 	int		error;
 
@@ -1517,10 +1517,16 @@ ng_rmnode_self(node_p node)
 	if (node->nd_flags & NGF_CLOSING)
 		return (0);
 
-	error = ng_send_fn(node, NULL, &ng_rmnode, NULL, 0);
+	error = ng_send_fn1(node, NULL, &ng_rmnode, NULL, 0, flags);
 	return (error);
 }
 
+int
+ng_rmnode_self(node_p node)
+{
+	return (ng_rmnode_flags(node, NG_NOFLAGS));
+}
+
 static void
 ng_rmhook_part2(node_p node, hook_p hook, void *arg1, int arg2)
 {