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/* An implementation of the nsd poll interface for plain tcp sockets.
*
* Copyright 2009-2016 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of the rsyslog runtime library.
*
* The rsyslog runtime library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The rsyslog runtime library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
* A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
*/
#ifndef INCLUDED_NSDPOLL_PTCP_H
#define INCLUDED_NSDPOLL_PTCP_H
#include "nsd.h"
#ifdef HAVE_SYS_EPOLL_H
# include <sys/epoll.h>
#endif
typedef nsdpoll_if_t nsdpoll_ptcp_if_t; /* we just *implement* this interface */
/* a helper object to keep track of the epoll event records
* Note that we need to keep track of that list because we need to
* free the events when they are no longer needed.
*/
typedef struct nsdpoll_epollevt_lst_s nsdpoll_epollevt_lst_t;
struct nsdpoll_epollevt_lst_s {
#ifdef HAVE_SYS_EPOLL_H
epoll_event_t event;
#endif
int id;
void *pUsr;
nsd_ptcp_t *pSock; /* our associated netstream driver data */
nsdpoll_epollevt_lst_t *pNext;
};
/* the nsdpoll_ptcp object */
struct nsdpoll_ptcp_s {
BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
int efd; /* file descriptor used by epoll */
nsdpoll_epollevt_lst_t *pRoot; /* Root of the epoll event list */
pthread_mutex_t mutEvtLst;
};
/* interface is defined in nsd.h, we just implement it! */
#define nsdpoll_ptcpCURR_IF_VERSION nsdCURR_IF_VERSION
/* prototypes */
PROTOTYPEObj(nsdpoll_ptcp);
#endif /* #ifndef INCLUDED_NSDPOLL_PTCP_H */
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