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/socketops.h

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    1 /*
    2  * Copyright (c) 2003, 2004 Jeffrey M. Hsu.  All rights reserved.
    3  * Copyright (c) 2003, 2004 The DragonFly Project.  All rights reserved.
    4  * 
    5  * This code is derived from software contributed to The DragonFly Project
    6  * by Jeffrey M. Hsu.
    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 DragonFly Project nor the names of its
   17  *    contributors may be used to endorse or promote products derived
   18  *    from this software without specific, prior written permission.
   19  * 
   20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
   24  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   25  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
   26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   30  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  *
   33  * $DragonFly: src/sys/sys/socketops.h,v 1.14 2008/10/27 02:56:30 sephe Exp $
   34  */
   35 
   36 #ifndef _SOCKETOPS_H_
   37 #define _SOCKETOPS_H_
   38 
   39 #ifndef _KERNEL
   40 
   41 #error "This file should not be included by userland programs."
   42 
   43 #else
   44 
   45 #ifndef _SYS_PROTOSW_H_
   46 #include <sys/protosw.h>
   47 #endif
   48 #ifndef _SYS_SOCKET_H_
   49 #include <sys/socket.h>
   50 #endif
   51 #ifndef _SYS_SOCKETVAR_H_
   52 #include <sys/socketvar.h>
   53 #endif
   54 
   55 /*
   56  * sosend() and soreceive() can block and also calls other pru_usrreq functions.
   57  * They should not really be usrreq functions.  Always call them directly from
   58  * the process context rather than passing a message to the protocol thread.
   59  */
   60 static __inline int
   61 so_pru_sosend(struct socket *so, struct sockaddr *addr, struct uio *uio,
   62               struct mbuf *top, struct mbuf *control, int flags,
   63               struct thread *td)
   64 {
   65         return ((*so->so_proto->pr_usrreqs->pru_sosend)(so, addr, uio, top,
   66                 control, flags, td));
   67 }
   68 
   69 static __inline int
   70 so_pru_soreceive(struct socket *so, struct sockaddr **paddr, struct uio *uio,
   71                  struct sockbuf *sio, struct mbuf **controlp, int *flagsp)
   72 {
   73         return ((*so->so_proto->pr_usrreqs->pru_soreceive)(so, paddr, uio, sio,
   74                 controlp, flagsp));
   75 }
   76 
   77 void so_pru_abort (struct socket *so);
   78 void so_pru_aborta (struct socket *so);
   79 void so_pru_abort_oncpu (struct socket *so);
   80 int so_pru_accept (struct socket *so, struct sockaddr **nam);
   81 int so_pru_attach (struct socket *so, int proto, struct pru_attach_info *ai);
   82 int so_pru_attach_direct(struct socket *so, int proto,
   83                 struct pru_attach_info *ai);
   84 int so_pru_bind (struct socket *so, struct sockaddr *nam, struct thread *td);
   85 int so_pru_connect (struct socket *so, struct sockaddr *nam, struct thread *td);
   86 int so_pru_connect_async (struct socket *so, struct sockaddr *nam,
   87                 struct thread *td);
   88 int so_pru_connect2 (struct socket *so1, struct socket *so2);
   89 int so_pru_control_direct(struct socket *so, u_long cmd, caddr_t data,
   90                 struct ifnet *ifp);
   91 int so_pru_detach (struct socket *so);
   92 void so_pru_detach_direct (struct socket *so);
   93 int so_pru_disconnect (struct socket *so);
   94 void so_pru_disconnect_direct (struct socket *so);
   95 int so_pru_listen (struct socket *so, struct thread *td);
   96 int so_pru_peeraddr (struct socket *so, struct sockaddr **nam);
   97 int so_pru_rcvd (struct socket *so, int flags);
   98 void so_pru_rcvd_async (struct socket *so);
   99 void so_async_rcvd_reply (struct socket *so);
  100 void so_async_rcvd_drop (struct socket *so);
  101 int so_pru_rcvoob (struct socket *so, struct mbuf *m, int flags);
  102 void so_pru_sync (struct socket *so);
  103 int so_pru_send (struct socket *so, int flags, struct mbuf *m,
  104                 struct sockaddr *addr, struct mbuf *control,
  105                 struct thread *td);
  106 void so_pru_send_async (struct socket *so, int flags, struct mbuf *m,
  107                 struct sockaddr *addr, struct mbuf *control,
  108                 struct thread *td);
  109 int so_pru_sense (struct socket *so, struct stat *sb);
  110 int so_pru_shutdown (struct socket *so);
  111 int so_pru_sockaddr (struct socket *so, struct sockaddr **nam);
  112 int so_pr_ctloutput(struct socket *so, struct sockopt *sopt);
  113 void so_pru_ctlinput(struct protosw *pr, int cmd,
  114                 struct sockaddr *arg, void *extra);
  115 
  116 static __inline int
  117 so_pru_senda(struct socket *so, int flags, struct mbuf *m,
  118              struct sockaddr *addr, struct mbuf *control, struct thread *td)
  119 {
  120         if (so->so_proto->pr_flags & PR_ASYNC_SEND) {
  121                 so_pru_send_async(so, flags, m, addr, control, td);
  122                 return 0;
  123         } else {
  124                 return so_pru_send(so, flags, m, addr, control, td);
  125         }
  126 }
  127 
  128 #endif  /* _KERNEL */
  129 #endif  /* _SYS_SOCKETOPS_H_ */

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