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Diffstat (limited to 'runtime/nspoll.h')
| -rw-r--r-- | runtime/nspoll.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/runtime/nspoll.h b/runtime/nspoll.h new file mode 100644 index 00000000..a77759c0 --- /dev/null +++ b/runtime/nspoll.h @@ -0,0 +1,65 @@ +/* Definitions for the nspoll io activity waiter + * + * Copyright 2009 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_NSPOLL_H +#define INCLUDED_NSPOLL_H + +#include "netstrms.h" + +/* some operations to be portable when we do not have epoll() available */ +#define NSDPOLL_ADD 1 +#define NSDPOLL_DEL 2 + +/* and some mode specifiers for waiting on input/output */ +#define NSDPOLL_IN 1 /* EPOLLIN */ +#define NSDPOLL_OUT 2 /* EPOLLOUT */ +/* next is 4, 8, 16, ... - must be bit values, as they are ored! */ + +/* the nspoll object */ +struct nspoll_s { + BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */ + nsd_t *pDrvrData; /**< the driver's data elements */ + uchar *pBaseDrvrName; /**< nsd base driver name to use, or NULL if system default */ + uchar *pDrvrName; /**< full base driver name (set when driver is loaded) */ + nsdpoll_if_t Drvr; /**< our stream driver */ +}; + + +/* interface */ +BEGINinterface(nspoll) /* name must also be changed in ENDinterface macro! */ + rsRetVal (*Construct)(nspoll_t **ppThis); + rsRetVal (*ConstructFinalize)(nspoll_t *pThis); + rsRetVal (*Destruct)(nspoll_t **ppThis); + rsRetVal (*Wait)(nspoll_t *pNsdpoll, int timeout, int *idRdy, void **ppUsr); + rsRetVal (*Ctl)(nspoll_t *pNsdpoll, netstrm_t *pStrm, int id, void *pUsr, int mode, int op); + rsRetVal (*IsEPollSupported)(void); /* static method */ +ENDinterface(nspoll) +#define nspollCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */ + +/* prototypes */ +PROTOTYPEObj(nspoll); + +/* the name of our library binary */ +#define LM_NSPOLL_FILENAME LM_NETSTRMS_FILENAME + +#endif /* #ifndef INCLUDED_NSPOLL_H */ |