Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-btrfs-devel.git] / net / tipc / node_subscr.h
blob4bc2ca0867a18144bc135e786bb79146d1584531
1 /*
2 * net/tipc/node_subscr.h: Include file for TIPC "node down" subscription handling
4 * Copyright (c) 1995-2006, Ericsson AB
5 * Copyright (c) 2005, 2010-2011, Wind River Systems
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9 * modification, are permitted provided that the following conditions are met:
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17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
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37 #ifndef _TIPC_NODE_SUBSCR_H
38 #define _TIPC_NODE_SUBSCR_H
40 #include "addr.h"
42 typedef void (*net_ev_handler) (void *usr_handle);
44 /**
45 * struct tipc_node_subscr - "node down" subscription entry
46 * @node: ptr to node structure of interest (or NULL, if none)
47 * @handle_node_down: routine to invoke when node fails
48 * @usr_handle: argument to pass to routine when node fails
49 * @nodesub_list: adjacent entries in list of subscriptions for the node
52 struct tipc_node_subscr {
53 struct tipc_node *node;
54 net_ev_handler handle_node_down;
55 void *usr_handle;
56 struct list_head nodesub_list;
59 void tipc_nodesub_subscribe(struct tipc_node_subscr *node_sub, u32 addr,
60 void *usr_handle, net_ev_handler handle_down);
61 void tipc_nodesub_unsubscribe(struct tipc_node_subscr *node_sub);
62 void tipc_nodesub_notify(struct tipc_node *node);
64 #endif