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6da8305de8
(Logical change 1.46) git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@137 fd59a12c-fef9-0310-b244-a6a79926bd2f
174 lines
3.7 KiB
C
174 lines
3.7 KiB
C
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/*
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* Copyright (c) 2002-2003 MontaVista Software, Inc.
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*
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* All rights reserved.
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*
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* Author: Steven Dake (sdake@mvista.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 AIS_UTIL_H_DEFINED
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#define AIS_UTIL_H_DEFINED
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#include <pthread.h>
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#include <sys/poll.h>
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#include "../include/ais_msg.h"
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struct saHandleDatabase {
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unsigned int handleCount;
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struct saHandle *handles;
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pthread_mutex_t mutex;
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void (*handleInstanceDestructor) (void *);
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};
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struct saVersionDatabase {
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int versionCount;
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SaVersionT *versionsSupported;
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};
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struct queue {
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int head;
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int tail;
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int used;
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int usedhw;
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int size;
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void *items;
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int bytesPerItem;
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};
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SaErrorT
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saServiceConnect (
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int *fdOut,
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enum req_init_types init_type);
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SaErrorT
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saRecvRetry (
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int s,
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void *msg,
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size_t len,
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int flags);
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SaErrorT
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saRecvQueue (
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int s,
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void *msg,
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struct queue *queue,
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int findMessageId);
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SaErrorT
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saActivatePoll (int s);
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SaErrorT
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saSendRetry (
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int s,
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const void *msg,
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size_t len,
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int flags);
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SaErrorT saSendMsgRetry (
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int s,
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struct iovec *iov,
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int iov_len);
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SaErrorT
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saSelectRetry (
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int s,
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fd_set *readfds,
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fd_set *writefds,
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fd_set *exceptfds,
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struct timeval *timeout);
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SaErrorT
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saPollRetry (
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struct pollfd *ufds,
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unsigned int nfds,
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int timeout);
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SaErrorT
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saHandleCreate (
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struct saHandleDatabase *handleDatabase,
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int instanceSize,
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unsigned int *handleOut);
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SaErrorT
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saHandleDestroy (
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struct saHandleDatabase *handleDatabase,
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unsigned int handle);
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SaErrorT
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saHandleInstanceGet (
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struct saHandleDatabase *handleDatabase,
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unsigned int handle,
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void **instance);
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SaErrorT
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saHandleInstancePut (
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struct saHandleDatabase *handleDatabase,
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unsigned int handle);
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SaErrorT
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saVersionVerify (
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struct saVersionDatabase *versionDatabase,
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const SaVersionT *version);
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SaErrorT
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saQueueInit (
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struct queue *queue,
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int queueItems,
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int sizePerItem);
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SaErrorT
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saQueueIsFull (
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struct queue *queue,
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int *isFull);
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SaErrorT
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saQueueIsEmpty (
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struct queue *queue,
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int *isEmpty);
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SaErrorT
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saQueueItemAdd (
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struct queue *queue,
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void *item);
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SaErrorT
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saQueueItemGet (struct queue *queue, void **item);
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SaErrorT
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saQueueItemRemove (struct queue *queue);
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#define offset_of(type,member) (int)(&(((type *)0)->member))
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SaTimeT
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clustTimeNow(void);
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#endif /* AIS_UTIL_H_DEFINED */
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