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/domain.h

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    1 /*-
    2  * Copyright (c) 1982, 1986, 1993
    3  *      The Regents of the University of California.  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  * 4. Neither the name of the University nor the names of its contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  *      @(#)domain.h    8.1 (Berkeley) 6/2/93
   30  * $FreeBSD: releng/11.2/sys/sys/domain.h 331722 2018-03-29 02:50:57Z eadler $
   31  */
   32 
   33 #ifndef _SYS_DOMAIN_H_
   34 #define _SYS_DOMAIN_H_
   35 
   36 /*
   37  * Structure per communications domain.
   38  */
   39 
   40 /*
   41  * Forward structure declarations for function prototypes [sic].
   42  */
   43 struct  mbuf;
   44 struct  ifnet;
   45 struct  socket;
   46 
   47 struct domain {
   48         int     dom_family;             /* AF_xxx */
   49         char    *dom_name;
   50         void    (*dom_init)             /* initialize domain data structures */
   51                 (void);
   52         void    (*dom_destroy)          /* cleanup structures / state */
   53                 (void);
   54         int     (*dom_externalize)      /* externalize access rights */
   55                 (struct mbuf *, struct mbuf **, int);
   56         void    (*dom_dispose)          /* dispose of internalized rights */
   57                 (struct socket *);
   58         struct  protosw *dom_protosw, *dom_protoswNPROTOSW;
   59         struct  domain *dom_next;
   60         int     (*dom_rtattach)         /* initialize routing table */
   61                 (void **, int);
   62         int     (*dom_rtdetach)         /* clean up routing table */
   63                 (void **, int);
   64         void    *(*dom_ifattach)(struct ifnet *);
   65         void    (*dom_ifdetach)(struct ifnet *, void *);
   66         int     (*dom_ifmtu)(struct ifnet *);
   67                                         /* af-dependent data on ifnet */
   68 };
   69 
   70 #ifdef _KERNEL
   71 extern int      domain_init_status;
   72 extern struct   domain *domains;
   73 void            domain_add(void *);
   74 void            domain_init(void *);
   75 #ifdef VIMAGE
   76 void            vnet_domain_init(void *);
   77 void            vnet_domain_uninit(void *);
   78 #endif
   79 
   80 #define DOMAIN_SET(name)                                                \
   81         SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN,               \
   82             SI_ORDER_FIRST, domain_add, & name ## domain);              \
   83         SYSINIT(domain_init_ ## name, SI_SUB_PROTO_DOMAIN,              \
   84             SI_ORDER_SECOND, domain_init, & name ## domain);
   85 #ifdef VIMAGE
   86 #define VNET_DOMAIN_SET(name)                                           \
   87         SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN,               \
   88             SI_ORDER_FIRST, domain_add, & name ## domain);              \
   89         VNET_SYSINIT(vnet_domain_init_ ## name, SI_SUB_PROTO_DOMAIN,    \
   90             SI_ORDER_SECOND, vnet_domain_init, & name ## domain);       \
   91         VNET_SYSUNINIT(vnet_domain_uninit_ ## name,                     \
   92             SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, vnet_domain_uninit,   \
   93             & name ## domain)
   94 #else /* !VIMAGE */
   95 #define VNET_DOMAIN_SET(name)   DOMAIN_SET(name)
   96 #endif /* VIMAGE */
   97 
   98 #endif /* _KERNEL */
   99 
  100 #endif /* !_SYS_DOMAIN_H_ */

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