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/* $NetBSD: eventlib.h,v 1.1.1.3 2005/12/21 23:15:22 christos Exp $ */
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1995-1999 by Internet Software Consortium
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* eventlib.h - exported interfaces for eventlib
* vix 09sep95 [initial]
*
* Id: eventlib.h,v 1.1.2.1.4.2 2005/07/28 07:43:18 marka Exp
*/
#ifndef _EVENTLIB_H
#define _EVENTLIB_H
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/time.h>
#include <stdio.h>
#ifndef __P
# define __EVENTLIB_P_DEFINED
# ifdef __STDC__
# define __P(x) x
# else
# define __P(x) ()
# endif
#endif
/* In the absence of branded types... */
typedef struct { void *opaque; } evConnID;
typedef struct { void *opaque; } evFileID;
typedef struct { void *opaque; } evStreamID;
typedef struct { void *opaque; } evTimerID;
typedef struct { void *opaque; } evWaitID;
typedef struct { void *opaque; } evContext;
typedef struct { void *opaque; } evEvent;
#define evInitID(id) ((id)->opaque = NULL)
#define evTestID(id) ((id).opaque != NULL)
typedef void (*evConnFunc)__P((evContext, void *, int, const void *, int,
const void *, int));
typedef void (*evFileFunc)__P((evContext, void *, int, int));
typedef void (*evStreamFunc)__P((evContext, void *, int, int));
typedef void (*evTimerFunc)__P((evContext, void *,
struct timespec, struct timespec));
typedef void (*evWaitFunc)__P((evContext, void *, const void *));
typedef struct { unsigned char mask[256/8]; } evByteMask;
#define EV_BYTEMASK_BYTE(b) ((b) / 8)
#define EV_BYTEMASK_MASK(b) (1 << ((b) % 8))
#define EV_BYTEMASK_SET(bm, b) \
((bm).mask[EV_BYTEMASK_BYTE(b)] |= EV_BYTEMASK_MASK(b))
#define EV_BYTEMASK_CLR(bm, b) \
((bm).mask[EV_BYTEMASK_BYTE(b)] &= ~EV_BYTEMASK_MASK(b))
#define EV_BYTEMASK_TST(bm, b) \
((bm).mask[EV_BYTEMASK_BYTE(b)] & EV_BYTEMASK_MASK(b))
#define EV_POLL 1
#define EV_WAIT 2
#define EV_NULL 4
#define EV_READ 1
#define EV_WRITE 2
#define EV_EXCEPT 4
#define EV_WASNONBLOCKING 8 /* Internal library use. */
/* eventlib.c */
#define evCreate __evCreate
#define evSetDebug __evSetDebug
#define evDestroy __evDestroy
#define evGetNext __evGetNext
#define evDispatch __evDispatch
#define evDrop __evDrop
#define evMainLoop __evMainLoop
#define evHighestFD __evHighestFD
#define evGetOption __evGetOption
#define evSetOption __evSetOption
int evCreate __P((evContext *));
void evSetDebug __P((evContext, int, FILE *));
int evDestroy __P((evContext));
int evGetNext __P((evContext, evEvent *, int));
int evDispatch __P((evContext, evEvent));
void evDrop __P((evContext, evEvent));
int evMainLoop __P((evContext));
int evHighestFD __P((evContext));
int evGetOption __P((evContext *, const char *, int *));
int evSetOption __P((evContext *, const char *, int));
/* ev_connects.c */
#define evListen __evListen
#define evConnect __evConnect
#define evCancelConn __evCancelConn
#define evHold __evHold
#define evUnhold __evUnhold
#define evTryAccept __evTryAccept
int evListen __P((evContext, int, int, evConnFunc, void *, evConnID *));
int evConnect __P((evContext, int, const void *, int,
evConnFunc, void *, evConnID *));
int evCancelConn __P((evContext, evConnID));
int evHold __P((evContext, evConnID));
int evUnhold __P((evContext, evConnID));
int evTryAccept __P((evContext, evConnID, int *));
/* ev_files.c */
#define evSelectFD __evSelectFD
#define evDeselectFD __evDeselectFD
int evSelectFD __P((evContext, int, int, evFileFunc, void *, evFileID *));
int evDeselectFD __P((evContext, evFileID));
/* ev_streams.c */
#define evConsIovec __evConsIovec
#define evWrite __evWrite
#define evRead __evRead
#define evTimeRW __evTimeRW
#define evUntimeRW __evUntimeRW
#define evCancelRW __evCancelRW
struct iovec evConsIovec __P((void *, size_t));
int evWrite __P((evContext, int, const struct iovec *, int,
evStreamFunc func, void *, evStreamID *));
int evRead __P((evContext, int, const struct iovec *, int,
evStreamFunc func, void *, evStreamID *));
int evTimeRW __P((evContext, evStreamID, evTimerID timer));
int evUntimeRW __P((evContext, evStreamID));
int evCancelRW __P((evContext, evStreamID));
/* ev_timers.c */
#define evConsTime __evConsTime
#define evAddTime __evAddTime
#define evSubTime __evSubTime
#define evCmpTime __evCmpTime
#define evTimeSpec __evTimeSpec
#define evTimeVal __evTimeVal
#define evNowTime __evNowTime
#define evUTCTime __evUTCTime
#define evLastEventTime __evLastEventTime
#define evSetTimer __evSetTimer
#define evClearTimer __evClearTimer
#define evConfigTimer __evConfigTimer
#define evResetTimer __evResetTimer
#define evSetIdleTimer __evSetIdleTimer
#define evClearIdleTimer __evClearIdleTimer
#define evResetIdleTimer __evResetIdleTimer
#define evTouchIdleTimer __evTouchIdleTimer
struct timespec evConsTime __P((time_t sec, long nsec));
struct timespec evAddTime __P((struct timespec, struct timespec));
struct timespec evSubTime __P((struct timespec, struct timespec));
struct timespec evNowTime __P((void));
struct timespec evUTCTime __P((void));
struct timespec evLastEventTime __P((evContext));
struct timespec evTimeSpec __P((struct timeval));
struct timeval evTimeVal __P((struct timespec));
int evCmpTime __P((struct timespec, struct timespec));
int evSetTimer __P((evContext, evTimerFunc, void *, struct timespec,
struct timespec, evTimerID *));
int evClearTimer __P((evContext, evTimerID));
int evConfigTimer __P((evContext, evTimerID, const char *param,
int value));
int evResetTimer __P((evContext, evTimerID, evTimerFunc, void *,
struct timespec, struct timespec));
int evSetIdleTimer __P((evContext, evTimerFunc, void *, struct timespec,
evTimerID *));
int evClearIdleTimer __P((evContext, evTimerID));
int evResetIdleTimer __P((evContext, evTimerID, evTimerFunc, void *,
struct timespec));
int evTouchIdleTimer __P((evContext, evTimerID));
/* ev_waits.c */
#define evWaitFor __evWaitFor
#define evDo __evDo
#define evUnwait __evUnwait
#define evDefer __evDefer
int evWaitFor __P((evContext, const void *, evWaitFunc, void *, evWaitID *));
int evDo __P((evContext, const void *));
int evUnwait __P((evContext, evWaitID));
int evDefer __P((evContext, evWaitFunc, void *));
#ifdef __EVENTLIB_P_DEFINED
# undef __P
#endif
#endif /*_EVENTLIB_H*/
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