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66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
/* Definitions for the nspoll io activity waiter
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*
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* Copyright 2009 Rainer Gerhards and Adiscon GmbH.
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*
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* This file is part of the rsyslog runtime library.
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*
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* The rsyslog runtime library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* The rsyslog runtime library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
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*
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* A copy of the GPL can be found in the file "COPYING" in this distribution.
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* A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
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*/
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#ifndef INCLUDED_NSPOLL_H
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#define INCLUDED_NSPOLL_H
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#include "netstrms.h"
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/* some operations to be portable when we do not have epoll() available */
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#define NSDPOLL_ADD 1
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#define NSDPOLL_DEL 2
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/* and some mode specifiers for waiting on input/output */
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#define NSDPOLL_IN 1 /* EPOLLIN */
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#define NSDPOLL_OUT 2 /* EPOLLOUT */
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/* next is 4, 8, 16, ... - must be bit values, as they are ored! */
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/* the nspoll object */
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struct nspoll_s {
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BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
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nsd_t *pDrvrData; /**< the driver's data elements */
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uchar *pBaseDrvrName; /**< nsd base driver name to use, or NULL if system default */
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uchar *pDrvrName; /**< full base driver name (set when driver is loaded) */
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nsdpoll_if_t Drvr; /**< our stream driver */
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};
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/* interface */
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BEGINinterface(nspoll) /* name must also be changed in ENDinterface macro! */
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rsRetVal (*Construct)(nspoll_t **ppThis);
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rsRetVal (*ConstructFinalize)(nspoll_t *pThis);
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rsRetVal (*Destruct)(nspoll_t **ppThis);
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rsRetVal (*Wait)(nspoll_t *pNsdpoll, int timeout, int *idRdy, void **ppUsr);
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rsRetVal (*Ctl)(nspoll_t *pNsdpoll, netstrm_t *pStrm, int id, void *pUsr, int mode, int op);
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rsRetVal (*IsEPollSupported)(void); /* static method */
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ENDinterface(nspoll)
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#define nspollCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */
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/* prototypes */
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PROTOTYPEObj(nspoll);
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/* the name of our library binary */
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#define LM_NSPOLL_FILENAME LM_NETSTRMS_FILENAME
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#endif /* #ifndef INCLUDED_NSPOLL_H */
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