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exec/quorum.h
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/*
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* Copyright (c) 2008-2012 Red Hat, Inc.
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*
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* All rights reserved.
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*
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* Author: Christine Caulfield (ccaulfie@redhat.com)
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*
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* This software licensed under BSD license, the text of which follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the Red Hat, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef QUORUM_H_DEFINED
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#define QUORUM_H_DEFINED
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struct
memb_ring_id
;
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typedef
void (*
quorum_callback_fn_t
) (
int
quorate
,
void
*context);
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typedef
void (*
quorum_set_quorate_fn_t
) (
const
unsigned
int
*view_list,
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size_t
view_list_entries,
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int
quorate
,
struct
memb_ring_id
*);
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struct
quorum_callin_functions
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{
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int (*
quorate
) (void);
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int (*
register_callback
) (
quorum_callback_fn_t
,
void
*);
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int (*
unregister_callback
) (
quorum_callback_fn_t
,
void
*);
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};
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extern
int
corosync_quorum_is_quorate
(
void
);
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extern
int
corosync_quorum_register_callback
(
quorum_callback_fn_t
fn,
void
*context);
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extern
int
corosync_quorum_unregister_callback
(
quorum_callback_fn_t
fn,
void
*context);
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extern
int
corosync_quorum_initialize
(
struct
quorum_callin_functions
*fns);
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extern
int
quorum_none
(
void
);
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#endif
/* QUORUM_H_DEFINED */
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