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67 lines
2.5 KiB
C
67 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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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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* -or-
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* see COPYING.ASL20 in the source distribution
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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 *numEntries, nsd_epworkset_t workset[]);
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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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/* v3 - 2013-09-17 by rgerhards */
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rsRetVal (*SetDrvrName)(nspoll_t *pThis, uchar *name);
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ENDinterface(nspoll)
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#define nspollCURR_IF_VERSION 3 /* increment whenever you change the interface structure! */
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/* interface change in v2 is that wait supports multiple return objects */
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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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