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/netisdn/i4b_l4timer.c

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    1 /*
    2  * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions
    6  * are met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in the
   11  *    documentation and/or other materials provided with the distribution.
   12  *
   13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   23  * SUCH DAMAGE.
   24  *
   25  *---------------------------------------------------------------------------
   26  *
   27  *      i4b_l4timer.c - timer and timeout handling for layer 4
   28  *      --------------------------------------------------------
   29  *
   30  *      $Id: i4b_l4timer.c,v 1.6 2005/12/11 12:25:06 christos Exp $
   31  *
   32  * $FreeBSD$
   33  *
   34  *      last edit-date: [Fri Jan  5 11:33:47 2001]
   35  *
   36  *---------------------------------------------------------------------------*/
   37 
   38 #include <sys/cdefs.h>
   39 __KERNEL_RCSID(0, "$NetBSD: i4b_l4timer.c,v 1.6 2005/12/11 12:25:06 christos Exp $");
   40 
   41 #include "isdn.h"
   42 
   43 #if NISDN > 0
   44 
   45 #include <sys/param.h>
   46 #include <sys/kernel.h>
   47 #include <sys/systm.h>
   48 #include <sys/mbuf.h>
   49 #include <sys/socket.h>
   50 #include <net/if.h>
   51 
   52 #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
   53 #include <sys/callout.h>
   54 #endif
   55 
   56 #ifdef __FreeBSD__
   57 #include <machine/i4b_debug.h>
   58 #include <machine/i4b_ioctl.h>
   59 #else
   60 #include <netisdn/i4b_debug.h>
   61 #include <netisdn/i4b_ioctl.h>
   62 #endif
   63 
   64 #include <netisdn/i4b_global.h>
   65 #include <netisdn/i4b_l3l4.h>
   66 #include <netisdn/i4b_mbuf.h>
   67 
   68 #include <netisdn/i4b_l4.h>
   69 
   70 /*---------------------------------------------------------------------------*
   71  *      timer T400 timeout function
   72  *---------------------------------------------------------------------------*/
   73 static void
   74 T400_timeout(call_desc_t *cd)
   75 {
   76         NDBGL4(L4_ERR, "cr = %d", cd->cr);
   77 }
   78 
   79 /*---------------------------------------------------------------------------*
   80  *      timer T400 start
   81  *---------------------------------------------------------------------------*/
   82 void
   83 T400_start(call_desc_t *cd)
   84 {
   85         if (cd->T400 == TIMER_ACTIVE)
   86                 return;
   87 
   88         NDBGL4(L4_MSG, "cr = %d", cd->cr);
   89         cd->T400 = TIMER_ACTIVE;
   90 
   91         START_TIMER(cd->T400_callout, T400_timeout, cd, T400DEF);
   92 }
   93 
   94 /*---------------------------------------------------------------------------*
   95  *      timer T400 stop
   96  *---------------------------------------------------------------------------*/
   97 void
   98 T400_stop(call_desc_t *cd)
   99 {
  100         int s;
  101         s = splnet();
  102 
  103         if(cd->T400 == TIMER_ACTIVE)
  104         {
  105                 STOP_TIMER(cd->T400_callout, T400_timeout, cd);
  106                 cd->T400 = TIMER_IDLE;
  107         }
  108         splx(s);
  109         NDBGL4(L4_MSG, "cr = %d", cd->cr);
  110 }
  111 
  112 #endif /* NISDN > 0 */

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