eventvar.h

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    1 /*-
    2  * Copyright (c) 1999,2000 Jonathan Lemon <jlemon@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  *      $FreeBSD: releng/5.2/sys/sys/eventvar.h 63452 2000-07-18 19:31:52Z jlemon $
   27  */
   28 
   29 #ifndef _SYS_EVENTVAR_H_
   30 #define _SYS_EVENTVAR_H_
   31 
   32 #define KQ_NEVENTS      8               /* minimize copy{in,out} calls */
   33 #define KQEXTENT        256             /* linear growth by this amount */
   34 
   35 struct kqueue {
   36         TAILQ_HEAD(kqlist, knote) kq_head;      /* list of pending event */
   37         int             kq_count;               /* number of pending events */
   38         struct          selinfo kq_sel; 
   39         struct          filedesc *kq_fdp;
   40         int             kq_state;
   41 #define KQ_SEL          0x01
   42 #define KQ_SLEEP        0x02
   43         struct          kevent kq_kev[KQ_NEVENTS];
   44 };
   45 
   46 #endif /* !_SYS_EVENTVAR_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/sys/eventvar.h

FreeBSD/Linux Kernel Cross Reference
sys/sys/eventvar.h