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dfe34d330c
Multithreaded corosync used to use many ugly workarounds. One of them is shutdown process, where we had to solve problem with two locks. This was solved by scheduling jobs between service exit_fn call and actual service unload. Sadly this can cause to receive message from other node in that meantime causing corosync to segfault on exit. Because corosync is now single threaded, we don't need such hacks any longer. Signed-off-by: Jan Friesse <jfriesse@redhat.com> Reviewed-by: Fabio M. Di Nitto <fdinitto@redhat.com>
92 lines
3.4 KiB
C
92 lines
3.4 KiB
C
/*
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* Copyright (c) 2002-2006 MontaVista Software, Inc.
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* Copyright (c) 2006-2012 Red Hat, Inc.
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*
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* All rights reserved.
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*
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* Author: Steven Dake (sdake@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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#ifndef COROSYNC_SERVICE_H_DEFINED
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#define COROSYNC_SERVICE_H_DEFINED
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#include <corosync/hdb.h>
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struct corosync_api_v1;
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struct default_service {
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const char *name;
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int ver;
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struct corosync_service_engine *(*loader)(void);
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};
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/**
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* Link and initialize a service
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*/
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char *corosync_service_link_and_init (
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struct corosync_api_v1 *objdb,
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struct default_service *service_engine);
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/**
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* Unlink and exit a service
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*/
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extern unsigned int corosync_service_unlink_and_exit (
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struct corosync_api_v1 *objdb,
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const char *service_name,
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unsigned int service_ver);
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/**
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* Unlink and exit all corosync services
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*/
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extern void corosync_service_unlink_all (
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struct corosync_api_v1 *api,
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void (*unlink_all_complete) (void));
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/**
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* Load all of the default services
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*/
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extern unsigned int corosync_service_defaults_link_and_init (
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struct corosync_api_v1 *objdb);
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extern struct corosync_service_engine *corosync_service[];
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extern const char *service_stats_rx[SERVICES_COUNT_MAX][SERVICE_HANDLER_MAXIMUM_COUNT];
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extern const char *service_stats_tx[SERVICES_COUNT_MAX][SERVICE_HANDLER_MAXIMUM_COUNT];
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struct corosync_service_engine *votequorum_get_service_engine_ver0 (void);
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struct corosync_service_engine *vsf_quorum_get_service_engine_ver0 (void);
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struct corosync_service_engine *quorum_get_service_handler_ver0 (void);
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struct corosync_service_engine *pload_get_service_engine_ver0 (void);
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struct corosync_service_engine *cfg_get_service_engine_ver0 (void);
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struct corosync_service_engine *cpg_get_service_engine_ver0 (void);
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struct corosync_service_engine *mon_get_service_engine_ver0 (void);
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struct corosync_service_engine *wd_get_service_engine_ver0 (void);
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struct corosync_service_engine *cmap_get_service_engine_ver0 (void);
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#endif /* SERVICE_H_DEFINED */
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