bsd/sys/un.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright (c) 1982, 1986, 1993
  25  *      The Regents of the University of California.  All rights reserved.
  26  *
  27  * Redistribution and use in source and binary forms, with or without
  28  * modification, are permitted provided that the following conditions
  29  * are met:
  30  * 1. Redistributions of source code must retain the above copyright
  31  *    notice, this list of conditions and the following disclaimer.
  32  * 2. Redistributions in binary form must reproduce the above copyright
  33  *    notice, this list of conditions and the following disclaimer in the
  34  *    documentation and/or other materials provided with the distribution.
  35  * 3. All advertising materials mentioning features or use of this software
  36  *    must display the following acknowledgement:
  37  *      This product includes software developed by the University of
  38  *      California, Berkeley and its contributors.
  39  * 4. Neither the name of the University nor the names of its contributors
  40  *    may be used to endorse or promote products derived from this software
  41  *    without specific prior written permission.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  44  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  46  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  47  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  48  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  49  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  50  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  51  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  52  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  53  * SUCH DAMAGE.
  54  *
  55  *      @(#)un.h        8.3 (Berkeley) 2/19/95
  56  */
  57
  58 #ifndef _SYS_UN_H_
  59 #define _SYS_UN_H_
  60
  61 #include <sys/appleapiopts.h>
  62 #include <sys/cdefs.h>
  63 #include <sys/_types.h>
  64
  65 /* [XSI] The sa_family_t type shall be defined as described in <sys/socket.h> */
  66 #ifndef _SA_FAMILY_T
  67 #define _SA_FAMILY_T
  68 typedef __uint8_t               sa_family_t;
  69 #endif
  70
  71 /*
  72  * [XSI] Definitions for UNIX IPC domain.
  73  */
  74 struct  sockaddr_un {
  75         unsigned char   sun_len;        /* sockaddr len including null */
  76         sa_family_t     sun_family;     /* [XSI] AF_UNIX */
  77         char            sun_path[104];  /* [XSI] path name (gag) */
  78 };
  79
  80 #ifndef _POSIX_C_SOURCE
  81 /* Socket options. */
  82 #define LOCAL_PEERCRED          0x001           /* retrieve peer credentails */
  83 #endif  /* !_POSIX_C_SOURCE */
  84
  85
  86 #ifdef KERNEL
  87 #ifdef PRIVATE
  88 __BEGIN_DECLS
  89 struct mbuf;
  90 struct socket;
  91
  92 int     uipc_usrreq(struct socket *so, int req, struct mbuf *m,
  93                 struct mbuf *nam, struct mbuf *control);
  94 int     uipc_ctloutput (struct socket *so, struct sockopt *sopt);
  95 int     unp_connect2(struct socket *so, struct socket *so2);
  96 void    unp_dispose(struct mbuf *m);
  97 int     unp_externalize(struct mbuf *rights);
  98 void    unp_init(void);
  99 extern  struct pr_usrreqs uipc_usrreqs;
 100 __END_DECLS
 101 #endif /* PRIVATE */
 102 #else /* !KERNEL */
 103
 104 #ifndef _POSIX_C_SOURCE
 105 /* actual length of an initialized sockaddr_un */
 106 #define SUN_LEN(su) \
 107         (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
 108 #endif  /* !_POSIX_C_SOURCE */
 109
 110 #endif /* KERNEL */
 111
 112 #endif /* !_SYS_UN_H_ */