| 1 | /* |
| 2 | * net/tipc/node_subscr.h: Include file for TIPC "node down" subscription handling |
| 3 | * |
| 4 | * Copyright (c) 1995-2006, Ericsson AB |
| 5 | * Copyright (c) 2005, Wind River Systems |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions are met: |
| 10 | * |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. Neither the names of the copyright holders nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 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. |
| 23 | * |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 28 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 30 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 32 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 33 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 34 | * POSSIBILITY OF SUCH DAMAGE. |
| 35 | */ |
| 36 | |
| 37 | #ifndef _TIPC_NODE_SUBSCR_H |
| 38 | #define _TIPC_NODE_SUBSCR_H |
| 39 | |
| 40 | #include "addr.h" |
| 41 | |
| 42 | typedef void (*net_ev_handler) (void *usr_handle); |
| 43 | |
| 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 |
| 50 | */ |
| 51 | |
| 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; |
| 57 | }; |
| 58 | |
| 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 | |
| 63 | #endif |