diff options
Diffstat (limited to 'net/tipc/node_subscr.h')
| -rw-r--r-- | net/tipc/node_subscr.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/net/tipc/node_subscr.h b/net/tipc/node_subscr.h new file mode 100644 index 00000000..4bc2ca08 --- /dev/null +++ b/net/tipc/node_subscr.h @@ -0,0 +1,64 @@ +/* + * net/tipc/node_subscr.h: Include file for TIPC "node down" subscription handling + * + * Copyright (c) 1995-2006, Ericsson AB + * Copyright (c) 2005, 2010-2011, Wind River Systems + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the names of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _TIPC_NODE_SUBSCR_H +#define _TIPC_NODE_SUBSCR_H + +#include "addr.h" + +typedef void (*net_ev_handler) (void *usr_handle); + +/** + * struct tipc_node_subscr - "node down" subscription entry + * @node: ptr to node structure of interest (or NULL, if none) + * @handle_node_down: routine to invoke when node fails + * @usr_handle: argument to pass to routine when node fails + * @nodesub_list: adjacent entries in list of subscriptions for the node + */ + +struct tipc_node_subscr { + struct tipc_node *node; + net_ev_handler handle_node_down; + void *usr_handle; + struct list_head nodesub_list; +}; + +void tipc_nodesub_subscribe(struct tipc_node_subscr *node_sub, u32 addr, + void *usr_handle, net_ev_handler handle_down); +void tipc_nodesub_unsubscribe(struct tipc_node_subscr *node_sub); +void tipc_nodesub_notify(struct tipc_node *node); + +#endif |