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/* Definition of the threading support module.
*
* 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 THREADS_H_INCLUDED
#define THREADS_H_INCLUDED
/* type of sync tools for terminating the thread */
typedef enum eTermSyncType {
eTermSync_NONE = 0, /* no cleanup necessary, just cancel thread */
eTermSync_SIGNAL /* termination via pthread_kill() */
} eTermSyncType_t;
/* the thread object */
typedef struct thrdInfo {
eTermSyncType_t eTermTool;
int bIsActive; /* Is thread running? */
pthread_t thrdID;
} thrdInfo_t;
/* this is the first approach to a queue, this time with static
* memory.
*/
typedef struct {
void** pbuf;
long head, tail;
int full, empty;
pthread_mutex_t *mut;
pthread_cond_t *notFull, *notEmpty;
} msgQueue;
/* prototypes */
rsRetVal thrdTerminate(thrdInfo_t *pThis);
rsRetVal thrdCreate(void* (*thrdMain)(void*));
msgQueue *queueInit (void);
void queueDelete (msgQueue *q);
void queueAdd (msgQueue *q, void* in);
void queueDel (msgQueue *q, void **out);
/* go-away's */
extern int iMainMsgQueueSize;
extern msgQueue *pMsgQueue;
#endif /* #ifndef THREADS_H_INCLUDED */
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