exec/sync.h

   1 /*
   2  * Copyright (c) 2002-2004 MontaVista Software, Inc.
   3  *
   4  * All rights reserved.
   5  *
   6  * Author: Steven Dake (sdake@mvista.com)
   7  *
   8  * This software licensed under BSD license, the text of which follows:
   9  *
  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
  35 #ifndef SYNC_H_DEFINED
  36 #define SYNC_H_DEFINED
  37
  38 #include <netinet/in.h>
  39 #include "totempg.h"
  40 #include "totemsrp.h"
  41
  42 struct sync_callbacks {
  43         void (*sync_init) (void);
  44         int (*sync_process) (void);
  45         void (*sync_activate) (void);
  46         void (*sync_abort) (void);
  47         char *name;
  48 };
  49
  50 int sync_register (
  51         int (*sync_callbacks_retrieve) (int sync_id, struct sync_callbacks *callbacks),
  52         void (*synchronization_completed) (void),
  53         char *vsf_type);
  54
  55 int sync_in_process (void);
  56
  57 int sync_primary_designated (void);
  58
  59 /**
  60  * Execute synchronization upon request for the named service
  61  * @param name service handler name to synchronize
  62  *
  63  * @return int 0 OK, error code otherwise
  64  */
  65 extern int sync_request (char *name);
  66
  67 #endif /* SYNC_H_DEFINED */