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/netatalk/ddp_pcb.h

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    1 /*-
    2  * Copyright (c) 2004 Robert N. M. Watson
    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, 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  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * Copyright (c) 1990, 1994 Regents of The University of Michigan.
   27  * All Rights Reserved.
   28  *
   29  * Permission to use, copy, modify, and distribute this software and
   30  * its documentation for any purpose and without fee is hereby granted,
   31  * provided that the above copyright notice appears in all copies and
   32  * that both that copyright notice and this permission notice appear
   33  * in supporting documentation, and that the name of The University
   34  * of Michigan not be used in advertising or publicity pertaining to
   35  * distribution of the software without specific, written prior
   36  * permission. This software is supplied as is without expressed or
   37  * implied warranties of any kind.
   38  *
   39  * This product includes software developed by the University of
   40  * California, Berkeley and its contributors.
   41  *
   42  *      Research Systems Unix Group
   43  *      The University of Michigan
   44  *      c/o Wesley Craig
   45  *      535 W. William Street
   46  *      Ann Arbor, Michigan
   47  *      +1-313-764-2278
   48  *      netatalk@umich.edu
   49  *
   50  * $FreeBSD: stable/9/sys/netatalk/ddp_pcb.h 165974 2007-01-12 15:07:51Z rwatson $
   51  */
   52 
   53 #ifndef _NETATALK_DDP_PCB_H_
   54 #define _NETATALK_DDP_PCB_H_
   55 
   56 int     at_pcballoc(struct socket *so);
   57 int     at_pcbconnect(struct ddpcb *ddp, struct sockaddr *addr, 
   58             struct thread *td);
   59 void    at_pcbdetach(struct socket *so, struct ddpcb *ddp);
   60 void    at_pcbdisconnect(struct ddpcb *ddp);
   61 int     at_pcbsetaddr(struct ddpcb *ddp, struct sockaddr *addr,
   62             struct thread *td);
   63 void    at_sockaddr(struct ddpcb *ddp, struct sockaddr **addr);
   64 
   65 /* Lock macros for per-pcb locks. */
   66 #define DDP_LOCK_INIT(ddp)      mtx_init(&(ddp)->ddp_mtx, "ddp_mtx",    \
   67                                     NULL, MTX_DEF)
   68 #define DDP_LOCK_DESTROY(ddp)   mtx_destroy(&(ddp)->ddp_mtx)
   69 #define DDP_LOCK(ddp)           mtx_lock(&(ddp)->ddp_mtx)
   70 #define DDP_UNLOCK(ddp)         mtx_unlock(&(ddp)->ddp_mtx)
   71 #define DDP_LOCK_ASSERT(ddp)    mtx_assert(&(ddp)->ddp_mtx, MA_OWNED)
   72 
   73 /* Lock macros for global pcb list lock. */
   74 #define DDP_LIST_LOCK_INIT()    mtx_init(&ddp_list_mtx, "ddp_list_mtx", \
   75                                     NULL, MTX_DEF)
   76 #define DDP_LIST_LOCK_DESTROY() mtx_destroy(&ddp_list_mtx)
   77 #define DDP_LIST_XLOCK()        mtx_lock(&ddp_list_mtx)
   78 #define DDP_LIST_XUNLOCK()      mtx_unlock(&ddp_list_mtx)
   79 #define DDP_LIST_XLOCK_ASSERT() mtx_assert(&ddp_list_mtx, MA_OWNED)
   80 #define DDP_LIST_SLOCK()        mtx_lock(&ddp_list_mtx)
   81 #define DDP_LIST_SUNLOCK()      mtx_unlock(&ddp_list_mtx)
   82 #define DDP_LIST_SLOCK_ASSERT() mtx_assert(&ddp_list_mtx, MA_OWNED)
   83 
   84 #endif /* !_NETATALK_DDP_PCB_H_ */

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