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Diffstat (limited to 'wti.h')
| -rw-r--r-- | wti.h | 62 |
1 files changed, 62 insertions, 0 deletions
@@ -0,0 +1,62 @@ +/* Definition of the worker thread instance (wti) class. + * + * Copyright 2008 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 WTI_H_INCLUDED +#define WTI_H_INCLUDED + +#include <pthread.h> +#include "wtp.h" +#include "obj.h" + +/* the worker thread instance class */ +typedef struct wti_s { + BEGINobjInstance; + pthread_t thrdID; /* thread ID */ + qWrkCmd_t tCurrCmd; /* current command to be carried out by worker */ + obj_t *pUsrp; /* pointer to an object meaningful for current user pointer (e.g. queue pUsr data elemt) */ + wtp_t *pWtp; /* my worker thread pool (important if only the work thread instance is passed! */ + pthread_cond_t condInitDone; /* signaled when the thread startup is done (once per thread existance) */ + pthread_cond_t condExitDone; /* signaled when the thread exit is done (once per thread existance) */ + pthread_mutex_t mut; + int bShutdownRqtd; /* shutdown for this thread requested? 0 - no , 1 - yes */ + uchar *pszDbgHdr; /* header string for debug messages */ +} wti_t; + +/* some symbolic constants for easier reference */ + + +/* prototypes */ +rsRetVal wtiConstruct(wti_t **ppThis); +rsRetVal wtiConstructFinalize(wti_t *pThis); +rsRetVal wtiDestruct(wti_t **ppThis); +rsRetVal wtiWorker(wti_t *pThis); +rsRetVal wtiProcessThrdChanges(wti_t *pThis, int bLockMutex); +rsRetVal wtiSetDbgHdr(wti_t *pThis, uchar *pszMsg, size_t lenMsg); +rsRetVal wtiSetState(wti_t *pThis, qWrkCmd_t tCmd, int bActiveOnly, int bLockMutex); +rsRetVal wtiJoinThrd(wti_t *pThis); +rsRetVal wtiCancelThrd(wti_t *pThis); +qWrkCmd_t wtiGetState(wti_t *pThis, int bLockMutex); +PROTOTYPEObjClassInit(wti); +PROTOTYPEpropSetMeth(wti, pszDbgHdr, uchar*); +PROTOTYPEpropSetMeth(wti, pWtp, wtp_t*); + +#endif /* #ifndef WTI_H_INCLUDED */ |