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Create releng/7.2 from stable/7 in preparation for 7.2-RELEASE.
[FreeBSD/releng/7.2.git] / sys / i4b / layer4 / i4b_l4timer.c
1 /*-
2  * Copyright (c) 1997, 2002 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  *      last edit-date: [Sat Mar  9 19:49:13 2002]
30  *
31  *---------------------------------------------------------------------------*/
32
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35
36 #include <sys/param.h>
37 #include <sys/kernel.h>
38 #include <sys/systm.h>
39
40 #include <i4b/include/i4b_debug.h>
41 #include <i4b/include/i4b_ioctl.h>
42
43 #include <i4b/include/i4b_global.h>
44 #include <i4b/include/i4b_l3l4.h>
45
46 #include <i4b/layer4/i4b_l4.h>
47
48 /*---------------------------------------------------------------------------*
49  *      timer T400 timeout function
50  *---------------------------------------------------------------------------*/
51 static void
52 T400_timeout(call_desc_t *cd)
53 {
54         NDBGL4(L4_ERR, "cr = %d", cd->cr);
55 }
56
57 /*---------------------------------------------------------------------------*
58  *      timer T400 start
59  *---------------------------------------------------------------------------*/
60 void
61 T400_start(call_desc_t *cd)
62 {
63         if (cd->T400 == TIMER_ACTIVE)
64                 return;
65                 
66         NDBGL4(L4_MSG, "cr = %d", cd->cr);
67         cd->T400 = TIMER_ACTIVE;
68
69         START_TIMER(cd->T400_callout, T400_timeout, cd, T400DEF);
70 }
71
72 /*---------------------------------------------------------------------------*
73  *      timer T400 stop
74  *---------------------------------------------------------------------------*/
75 void
76 T400_stop(call_desc_t *cd)
77 {
78         CRIT_VAR;
79         CRIT_BEG;
80
81         if(cd->T400 == TIMER_ACTIVE)
82         {
83                 STOP_TIMER(cd->T400_callout, T400_timeout, cd);
84                 cd->T400 = TIMER_IDLE;
85         }
86         CRIT_END;
87         NDBGL4(L4_MSG, "cr = %d", cd->cr);
88 }