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https://github.com/rsyslog/rsyslog.git
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cbe2e3d444
replaced atomic operation emulation with new code. The previous code seemed to have some issue and also limited concurrency severely. The whole atomic operation emulation has been rewritten.
61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/* The prop object.
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*
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* This implements props within rsyslog.
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*
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* Copyright 2009 Rainer Gerhards and Adiscon GmbH.
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*
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* This file is part of the rsyslog runtime library.
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*
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* The rsyslog runtime library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* The rsyslog runtime library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
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*
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* A copy of the GPL can be found in the file "COPYING" in this distribution.
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* A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
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*/
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#ifndef INCLUDED_PROP_H
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#define INCLUDED_PROP_H
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#include "atomic.h"
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/* the prop object */
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struct prop_s {
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BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
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int iRefCount; /* reference counter */
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union {
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uchar *psz; /* stored string */
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uchar sz[CONF_PROP_BUFSIZE];
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} szVal;
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int len; /* we use int intentionally, otherwise we may get some troubles... */
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DEF_ATOMIC_HELPER_MUT(mutRefCount);
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};
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/* interfaces */
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BEGINinterface(prop) /* name must also be changed in ENDinterface macro! */
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INTERFACEObjDebugPrint(prop);
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rsRetVal (*Construct)(prop_t **ppThis);
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rsRetVal (*ConstructFinalize)(prop_t *pThis);
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rsRetVal (*Destruct)(prop_t **ppThis);
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rsRetVal (*SetString)(prop_t *pThis, uchar* psz, int len);
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rsRetVal (*GetString)(prop_t *pThis, uchar** ppsz, int *plen);
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int (*GetStringLen)(prop_t *pThis);
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rsRetVal (*AddRef)(prop_t *pThis);
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rsRetVal (*CreateStringProp)(prop_t **ppThis, uchar* psz, int len);
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rsRetVal (*CreateOrReuseStringProp)(prop_t **ppThis, uchar *psz, int len);
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ENDinterface(prop)
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#define propCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */
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/* prototypes */
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PROTOTYPEObj(prop);
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#endif /* #ifndef INCLUDED_PROP_H */
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