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/*-
* Copyright (c) 1999,2000 Jonathan Lemon <jlemon@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SYS_EVENTVAR_H_
#define _SYS_EVENTVAR_H_
#define KQ_NEVENTS 8 /* minimize copyout calls */
#define KQEXTENT 256 /* linear growth by this amount */
struct kqueue {
TAILQ_HEAD(kqlist, knote) kq_head; /* list of pending event */
int kq_count; /* number of pending events */
struct selinfo kq_sel;
struct filedesc *kq_fdp;
int kq_state;
#define KQ_SEL 0x01
#define KQ_SLEEP 0x02
union {
struct kevent *b_kevp[KQ_NEVENTS];
struct kevent b_kev[KQ_NEVENTS];
} kq_buf;
#define kq_kevp kq_buf.b_kevp
#define kq_kev kq_buf.b_kev
};
#endif /* !_SYS_EVENTVAR_H_ */
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