The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/netinet/accf_data.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: accf_data.c,v 1.8 2016/07/07 06:55:43 msaitoh Exp $    */
    2 
    3 /*-
    4  * Copyright (c) 2000 Alfred Perlstein <alfred@FreeBSD.org>
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  */
   28 
   29 #include <sys/cdefs.h>
   30 __KERNEL_RCSID(0, "$NetBSD: accf_data.c,v 1.8 2016/07/07 06:55:43 msaitoh Exp $");
   31 
   32 #define ACCEPT_FILTER_MOD
   33 
   34 #include <sys/param.h>
   35 #include <sys/kernel.h>
   36 #include <sys/module.h>
   37 #include <sys/sysctl.h>
   38 #include <sys/signalvar.h>
   39 #include <sys/socketvar.h>
   40 
   41 #include <netinet/accept_filter.h>
   42 
   43 #include "ioconf.h"
   44 
   45 MODULE(MODULE_CLASS_MISC, accf_dataready, NULL);
   46 
   47 /* accept filter that holds a socket until data arrives */
   48 
   49 static void sohasdata(struct socket *so, void *arg, int events, int waitflag);
   50 
   51 static struct accept_filter accf_data_filter = {
   52         .accf_name = "dataready",
   53         .accf_callback = sohasdata,
   54 };
   55 
   56 void
   57 accf_dataattach(int junk)
   58 {
   59 
   60 }
   61 
   62 static int
   63 accf_dataready_modcmd(modcmd_t cmd, void *arg)
   64 {
   65 
   66         switch (cmd) {
   67         case MODULE_CMD_INIT:
   68                 return accept_filt_add(&accf_data_filter);
   69 
   70         case MODULE_CMD_FINI:
   71                 return accept_filt_del(&accf_data_filter);
   72 
   73         default:
   74                 return ENOTTY;
   75         }
   76 }
   77 
   78 static void
   79 sohasdata(struct socket *so, void *arg, int events, int waitflag)
   80 {
   81 
   82         if (!soreadable(so))
   83                 return;
   84 
   85         so->so_upcall = NULL;
   86         so->so_rcv.sb_flags &= ~SB_UPCALL;
   87         soisconnected(so);
   88         return;
   89 }

Cache object: 57cde6585728759e31f44e3d985fa03b


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.