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exec
exec/quorum.c
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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 MontaVista Software, 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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#include <
config.h
>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <sys/ioctl.h>
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#include <netinet/in.h>
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#include <sys/uio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <time.h>
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#include <arpa/inet.h>
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#include <
corosync/corotypes.h
>
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#include <
corosync/swab.h
>
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#include <
corosync/totem/totempg.h
>
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#include <
corosync/totem/totem.h
>
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#include <
corosync/logsys.h
>
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#include "
quorum.h
"
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#include "
main.h
"
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#include "
vsf.h
"
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LOGSYS_DECLARE_SUBSYS
(
"QUORUM"
);
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static
struct
quorum_callin_functions
*corosync_quorum_fns = NULL;
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int
corosync_quorum_is_quorate
(
void
)
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{
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if
(corosync_quorum_fns) {
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return
corosync_quorum_fns->
quorate
();
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}
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else
{
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return
1;
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}
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}
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int
corosync_quorum_register_callback
(
quorum_callback_fn_t
fn,
void
*context)
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{
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if
(corosync_quorum_fns) {
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return
corosync_quorum_fns->
register_callback
(fn, context);
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}
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else
{
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return
0;
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}
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}
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int
corosync_quorum_unregister_callback
(
quorum_callback_fn_t
fn,
void
*context)
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{
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if
(corosync_quorum_fns) {
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return
corosync_quorum_fns->
unregister_callback
(fn, context);
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}
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else
{
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return
0;
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}
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}
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int
corosync_quorum_initialize
(
struct
quorum_callin_functions
*fns)
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{
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if
(corosync_quorum_fns)
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return
-1;
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corosync_quorum_fns = fns;
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return
0;
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}
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int
quorum_none
(
void
)
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{
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if
(corosync_quorum_fns)
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return
0;
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else
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return
1;
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}
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