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b97bf3fd PL |
1 | /* |
2 | * net/tipc/node_subscr.h: Include file for TIPC "node down" subscription handling | |
3 | * | |
4 | * Copyright (c) 2003-2005, Ericsson Research Canada | |
5 | * Copyright (c) 2005, Wind River Systems | |
6 | * Copyright (c) 2005-2006, Ericsson AB | |
7 | * All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions are met: | |
11 | * | |
12 | * Redistributions of source code must retain the above copyright notice, this | |
13 | * list of conditions and the following disclaimer. | |
14 | * Redistributions in binary form must reproduce the above copyright notice, | |
15 | * this list of conditions and the following disclaimer in the documentation | |
16 | * and/or other materials provided with the distribution. | |
17 | * Neither the names of the copyright holders nor the names of its | |
18 | * contributors may be used to endorse or promote products derived from this | |
19 | * software without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
31 | * POSSIBILITY OF SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef _TIPC_NODE_SUBSCR_H | |
35 | #define _TIPC_NODE_SUBSCR_H | |
36 | ||
37 | #include "addr.h" | |
38 | ||
39 | typedef void (*net_ev_handler) (void *usr_handle); | |
40 | ||
41 | /** | |
42 | * struct node_subscr - "node down" subscription entry | |
43 | * @node: ptr to node structure of interest (or NULL, if none) | |
44 | * @handle_node_down: routine to invoke when node fails | |
45 | * @usr_handle: argument to pass to routine when node fails | |
46 | * @nodesub_list: adjacent entries in list of subscriptions for the node | |
47 | */ | |
48 | ||
49 | struct node_subscr { | |
50 | struct node *node; | |
51 | net_ev_handler handle_node_down; | |
52 | void *usr_handle; | |
53 | struct list_head nodesub_list; | |
54 | }; | |
55 | ||
56 | void nodesub_subscribe(struct node_subscr *node_sub, u32 addr, | |
57 | void *usr_handle, net_ev_handler handle_down); | |
58 | void nodesub_unsubscribe(struct node_subscr *node_sub); | |
59 | ||
60 | #endif |