FreeBSD/Linux Kernel Cross Reference
sys/i4b/layer4/i4b_l4timer.c

     /*-
      * Copyright (c) 1997, 2002 Hellmuth Michaelis. All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
      * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *---------------------------------------------------------------------------
     *
     *      i4b_l4timer.c - timer and timeout handling for layer 4
     *      --------------------------------------------------------
     *      last edit-date: [Sat Mar  9 19:49:13 2002]
     *
     *---------------------------------------------------------------------------*/
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/5.4/sys/i4b/layer4/i4b_l4timer.c 141090 2005-01-31 23:27:04Z imp $");
    
    #include <sys/param.h>
    #include <sys/kernel.h>
    #include <sys/systm.h>
    
    #include <machine/i4b_debug.h>
    #include <machine/i4b_ioctl.h>
    
    #include <i4b/include/i4b_global.h>
    #include <i4b/include/i4b_l3l4.h>
    
    #include <i4b/layer4/i4b_l4.h>
    
    /*---------------------------------------------------------------------------*
     *      timer T400 timeout function
     *---------------------------------------------------------------------------*/
    static void
    T400_timeout(call_desc_t *cd)
    {
            NDBGL4(L4_ERR, "cr = %d", cd->cr);
    }
    
    /*---------------------------------------------------------------------------*
     *      timer T400 start
     *---------------------------------------------------------------------------*/
    void
    T400_start(call_desc_t *cd)
    {
            if (cd->T400 == TIMER_ACTIVE)
                    return;
                    
            NDBGL4(L4_MSG, "cr = %d", cd->cr);
            cd->T400 = TIMER_ACTIVE;
    
            START_TIMER(cd->T400_callout, T400_timeout, cd, T400DEF);
    }
    
    /*---------------------------------------------------------------------------*
     *      timer T400 stop
     *---------------------------------------------------------------------------*/
    void
    T400_stop(call_desc_t *cd)
    {
            CRIT_VAR;
            CRIT_BEG;
    
            if(cd->T400 == TIMER_ACTIVE)
            {
                    STOP_TIMER(cd->T400_callout, T400_timeout, cd);
                    cd->T400 = TIMER_IDLE;
            }
            CRIT_END;
            NDBGL4(L4_MSG, "cr = %d", cd->cr);
    }

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