Annotation of sys/sys/eventvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: eventvar.h,v 1.2 2000/11/16 20:31:30 mickey Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 1999,2000 Jonathan Lemon <jlemon@FreeBSD.org>
! 5: * All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: *
! 16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 17: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 18: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 19: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 20: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 21: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 22: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 24: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 25: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 26: * SUCH DAMAGE.
! 27: *
! 28: * $FreeBSD: src/sys/sys/eventvar.h,v 1.3 2000/05/26 02:06:54 jake Exp $
! 29: */
! 30:
! 31: #ifndef _SYS_EVENTVAR_H_
! 32: #define _SYS_EVENTVAR_H_
! 33:
! 34: #define KQ_NEVENTS 8 /* minimize copy{in,out} calls */
! 35: #define KQEXTENT 256 /* linear growth by this amount */
! 36:
! 37: struct kqueue {
! 38: TAILQ_HEAD(kqlist, knote) kq_head; /* list of pending event */
! 39: int kq_count; /* number of pending events */
! 40: struct selinfo kq_sel;
! 41: struct filedesc *kq_fdp;
! 42: int kq_state;
! 43: #define KQ_SEL 0x01
! 44: #define KQ_SLEEP 0x02
! 45: struct kevent kq_kev[KQ_NEVENTS];
! 46: };
! 47:
! 48: #endif /* !_SYS_EVENTVAR_H_ */
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