The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*
    2  * Copyright (c) 1997, Stefan Esser <se@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 unmodified, this list of conditions, and the following
   10  *    disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * $FreeBSD$
   27  */
   28 
   29 #ifndef _SYS_INTERRUPT_H_
   30 #define _SYS_INTERRUPT_H_
   31 
   32 typedef void swihand_t __P((void));
   33 
   34 void    register_swi __P((int intr, swihand_t *handler));
   35 void    swi_dispatcher __P((int intr));
   36 swihand_t swi_generic;
   37 swihand_t swi_null;
   38 void    unregister_swi __P((int intr, swihand_t *handler));
   39 
   40 extern swihand_t *ihandlers[];
   41 
   42 /* Counts and names for statistics (defined in MD code). */
   43 extern u_long   eintrcnt[];     /* end of intrcnt[] */
   44 extern char     eintrnames[];   /* end of intrnames[] */
   45 extern u_long   intrcnt[];      /* counts for for each device and stray */
   46 extern char     intrnames[];    /* string table containing device names */
   47 #endif

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