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/* modules.h
*
* Definition for build-in and plug-ins module handler. This file is the base
* for all dynamically loadable module support. In theory, in v3 all modules
* are dynamically loaded, in practice we currently do have a few build-in
* once. This may become removed.
*
* The loader keeps track of what is loaded. For library modules, it is also
* used to find objects (libraries) and to obtain the queryInterface function
* for them. A reference count is maintened for libraries, so that they are
* unloaded only when nobody still accesses them.
*
* File begun on 2007-07-22 by RGerhards
*
* Copyright 2007 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Rsyslog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rsyslog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Rsyslog. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
*/
#ifndef MODULES_H_INCLUDED
#define MODULES_H_INCLUDED 1
#include "objomsr.h"
#include "threads.h"
/* the following define defines the current version of the module interface.
* It can be used by any module which want's to simply prevent version conflicts
* and does not intend to do specific old-version emulations.
* rgerhards, 2008-03-04
*/
#define CURR_MOD_IF_VERSION 2
typedef enum eModType_ {
eMOD_IN, /* input module */
eMOD_OUT, /* output module */
eMOD_LIB /* library module - this module provides one or many interfaces */
} eModType_t;
/* how is this module linked? */
typedef enum eModLinkType_ {
eMOD_LINK_STATIC,
eMOD_LINK_DYNAMIC_UNLOADED, /* dynalink module, currently not loaded */
eMOD_LINK_DYNAMIC_LOADED /* dynalink module, currently loaded */
} eModLinkType_t;
typedef struct moduleInfo {
struct moduleInfo *pNext; /* support for creating a linked module list */
int iIFVers; /* Interface version of module */
eModType_t eType; /* type of this module */
eModLinkType_t eLinkType;
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