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/* Definition of the worker thread instance (wti) class.
*
* Copyright 2008-2012 Adiscon GmbH.
*
* This file is part of the rsyslog runtime library.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* -or-
* see COPYING.ASL20 in the source distribution
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef WTI_H_INCLUDED
#define WTI_H_INCLUDED
#include <pthread.h>
#include "wtp.h"
#include "obj.h"
#include "batch.h"
/* the worker thread instance class */
struct wti_s {
BEGINobjInstance;
pthread_t thrdID; /* thread ID */
int bIsRunning; /* is this thread currently running? (must be int for atomic op!) */
sbool bAlwaysRunning; /* should this thread always run? */
wtp_t *pWtp; /* my worker thread pool (important if only the work thread instance is passed! */
batch_t batch; /* pointer to an object array meaningful for current user pointer (e.g. queue pUsr data elemt) */
uchar *pszDbgHdr; /* header string for debug messages */
pthread_cond_t pcondBusy; /* condition to wake up the worker, protected by pmutUsr in wtp */
DEF_ATOMIC_HELPER_MUT(mutIsRunning);
};
/* prototypes */
rsRetVal wtiConstruct(wti_t **ppThis);
rsRetVal wtiConstructFinalize(wti_t *pThis);
rsRetVal wtiDestruct(wti_t **ppThis);
rsRetVal wtiWorker(wti_t *pThis);
rsRetVal wtiSetDbgHdr(wti_t *pThis, uchar *pszMsg, size_t lenMsg);
rsRetVal wtiCancelThrd(wti_t *pThis);
rsRetVal wtiSetAlwaysRunning(wti_t *pThis);
rsRetVal wtiSetState(wti_t *pThis, sbool bNew);
rsRetVal wtiWakeupThrd(wti_t *pThis);
sbool wtiGetState(wti_t *pThis);
PROTOTYPEObjClassInit(wti);
PROTOTYPEpropSetMeth(wti, pszDbgHdr, uchar*);
PROTOTYPEpropSetMeth(wti, pWtp, wtp_t*);
#endif /* #ifndef WTI_H_INCLUDED */
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