1 /* $KAME: sctp_callout.h,v 1.8 2005/01/25 07:35:42 itojun Exp $ */
2 /* $DragonFly: src/sys/netinet/sctp_callout.h,v 1.1 2005/07/15 14:46:16 eirikn Exp $ */
4 #ifndef __SCTP_CALLOUT__
5 #define __SCTP_CALLOUT__
8 * Copyright (C) 2002, 2003, 2004 Cisco Systems Inc,
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12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the project nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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36 #define _SCTP_NEEDS_CALLOUT_ 1
40 TAILQ_ENTRY(callout) tqe;
41 int c_time; /* ticks to the event */
42 void *c_arg; /* function argument */
43 void (*c_func) __P((void *)); /* function to call */
44 int c_flags; /* state of this entry */
47 #define SCTP_TICKS_PER_FASTTIMO 20 /* we get called about */
50 TAILQ_HEAD(calloutlist, callout);
52 #define CALLOUT_ACTIVE 0x0002 /* callout is currently active */
54 #define CALLOUT_PENDING 0x0004 /* callout is waiting for timeout */
55 #define CALLOUT_FIRED 0x0008 /* it expired */
58 #define callout_active(c) ((c)->c_flags & CALLOUT_ACTIVE)
59 #define callout_deactivate(c) ((c)->c_flags &= ~CALLOUT_ACTIVE)
60 void callout_init __P((struct callout *));
61 #define callout_pending(c) ((c)->c_flags & CALLOUT_PENDING)
63 void callout_reset __P((struct callout *, int, void (*)(void *), void *));
65 int callout_stop __P((struct callout *));