[mirror_corosync.git] / exec / vsf.h

/*
 * Copyright (c) 2006-2011 Red Hat, Inc.
 *
 * All rights reserved.
 *
 * Author: Steven Dake (sdake@redhat.com)
 *
 * This software licensed under BSD license, the text of which follows:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - 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.
 * - Neither the name of the MontaVista Software, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * 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 VSF_H_DEFINED
#define VSF_H_DEFINED

struct corosync_api_v1;
struct corosync_vsf_iface_ver0 {

	/**
	 * Executes a callback whenever component changes
	 */
	int (*init) (
	    struct corosync_api_v1 *api,
	    void (*primary_callback_fn) (
		unsigned int *view_list,
		int view_list_entries,
		int primary_designated,
		struct memb_ring_id *ring_id));

	/**
	 * @retval 1 if we are primary component
	 * @retval 0 if not primary component
	 */
	int (*primary) (void);
};

#endif /* VSF_H_DEFINED */
Commit	Line	Data
4ae4efb4	1	/*
2ad0cdc8	2	* Copyright (c) 2006-2011 Red Hat, Inc.
4ae4efb4 SD	3	*
	4	* All rights reserved.
	5	*
46b01638	6	* Author: Steven Dake (sdake@redhat.com)
4ae4efb4 SD	7	*
4ae4efb4 SD	8	* This software licensed under BSD license, the text of which follows:
904a10ed	9	*
4ae4efb4 SD	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions are met:
	12	*
	13	* - Redistributions of source code must retain the above copyright notice,
	14	* this list of conditions and the following disclaimer.
	15	* - Redistributions in binary form must reproduce the above copyright notice,
	16	* this list of conditions and the following disclaimer in the documentation
	17	* and/or other materials provided with the distribution.
	18	* - Neither the name of the MontaVista Software, Inc. nor the names of its
	19	* contributors may be used to endorse or promote products derived from this
	20	* software without specific prior written permission.
	21	*
	22	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	23	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	24	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	25	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	26	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	27	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	28	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	29	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	30	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	31	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	32	* THE POSSIBILITY OF SUCH DAMAGE.
	33	*/
	34	#ifndef VSF_H_DEFINED
	35	#define VSF_H_DEFINED
	36
cfc7da35	37	struct corosync_api_v1;
dd3991c0	38	struct corosync_vsf_iface_ver0 {
4ae4efb4	39
5da4d547	40	/**
4ae4efb4 SD	41	* Executes a callback whenever component changes
	42	*/
	43	int (*init) (
cfc7da35	44	struct corosync_api_v1 *api,
4ae4efb4	45	void (*primary_callback_fn) (
483a9baa	46	unsigned int *view_list,
4ae4efb4 SD	47	int view_list_entries,
	48	int primary_designated,
	49	struct memb_ring_id *ring_id));
	50
5da4d547 RB	51	/**
	52	* @retval 1 if we are primary component
	53	* @retval 0 if not primary component
4ae4efb4 SD	54	*/
	55	int (*primary) (void);
	56	};
	57
	58	#endif /* VSF_H_DEFINED */