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/kern/uipc_proto.c

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    1 /*      $OpenBSD: uipc_proto.c,v 1.25 2022/11/13 16:01:32 mvs Exp $     */
    2 /*      $NetBSD: uipc_proto.c,v 1.8 1996/02/13 21:10:47 christos Exp $  */
    3 
    4 /*-
    5  * Copyright (c) 1982, 1986, 1993
    6  *      The Regents of the University of California.  All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. Neither the name of the University nor the names of its contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  *      @(#)uipc_proto.c        8.1 (Berkeley) 6/10/93
   33  */
   34 
   35 #include <sys/param.h>
   36 #include <sys/socket.h>
   37 #include <sys/protosw.h>
   38 #include <sys/domain.h>
   39 #include <sys/unpcb.h>
   40 
   41 /*
   42  * Definitions of protocols supported in the UNIX domain.
   43  */
   44 
   45 const struct protosw unixsw[] = {
   46 {
   47   .pr_type      = SOCK_STREAM,
   48   .pr_domain    = &unixdomain,
   49   .pr_protocol  = PF_UNIX,
   50   .pr_flags     = PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS,
   51   .pr_usrreqs   = &uipc_usrreqs,
   52 },
   53 {
   54   .pr_type      = SOCK_SEQPACKET,
   55   .pr_domain    = &unixdomain,
   56   .pr_protocol  = PF_UNIX,
   57   .pr_flags     = PR_ATOMIC|PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS,
   58   .pr_usrreqs   = &uipc_usrreqs,
   59 },
   60 {
   61   .pr_type      = SOCK_DGRAM,
   62   .pr_domain    = &unixdomain,
   63   .pr_protocol  = PF_UNIX,
   64   .pr_flags     = PR_ATOMIC|PR_ADDR|PR_RIGHTS,
   65   .pr_usrreqs   = &uipc_dgram_usrreqs,
   66 }
   67 };
   68 
   69 const struct domain unixdomain = {
   70   .dom_family = AF_UNIX,
   71   .dom_name = "unix",
   72   .dom_init = unp_init,
   73   .dom_externalize = unp_externalize,
   74   .dom_dispose = unp_dispose,
   75   .dom_protosw = unixsw,
   76   .dom_protoswNPROTOSW = &unixsw[nitems(unixsw)]
   77 };

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