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Annotation of sys/sys/un.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: un.h,v 1.8 2003/06/02 23:28:22 millert Exp $  */
                      2: /*     $NetBSD: un.h,v 1.11 1996/02/04 02:12:47 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:  *     @(#)un.h        8.1 (Berkeley) 6/2/93
                     33:  */
                     34:
                     35: #ifndef _SYS_UN_H_
                     36: #define        _SYS_UN_H_
                     37:
                     38: /*
                     39:  * Definitions for UNIX IPC domain.
                     40:  */
                     41: struct sockaddr_un {
                     42:        unsigned char   sun_len;        /* sockaddr len including null */
                     43:        unsigned char   sun_family;     /* AF_UNIX */
                     44:        char    sun_path[104];          /* path name (gag) */
                     45: };
                     46:
                     47: #ifdef _KERNEL
                     48: struct unpcb;
                     49: struct socket;
                     50:
                     51: int    unp_attach(struct socket *so);
                     52: int    unp_bind(struct unpcb *unp, struct mbuf *nam, struct proc *p);
                     53: int    unp_connect(struct socket *so, struct mbuf *nam, struct proc *p);
                     54: int    unp_connect2(struct socket *so, struct socket *so2);
                     55: void   unp_detach(struct unpcb *unp);
                     56: void   unp_discard(struct file *fp);
                     57: void   unp_disconnect(struct unpcb *unp);
                     58: void   unp_drop(struct unpcb *unp, int errno);
                     59: void   unp_gc(void);
                     60: void   unp_mark(struct file *fp);
                     61: void   unp_scan(struct mbuf *m0, void (*op)(struct file *), int);
                     62: void   unp_shutdown(struct unpcb *unp);
                     63: int    unp_externalize(struct mbuf *);
                     64: int    unp_internalize(struct mbuf *, struct proc *);
                     65: void   unp_dispose(struct mbuf *);
                     66: #else /* !_KERNEL */
                     67:
                     68: /* actual length of an initialized sockaddr_un */
                     69: #define SUN_LEN(su) \
                     70:        (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
                     71: #endif /* _KERNEL */
                     72: #endif /* !_SYS_UN_H_ */