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 1.3 2006/05/20 02:42:12 dillon Exp $ */
4 #ifndef _NETINET_SCTP_CALLOUT_H_
5 #define _NETINET_SCTP_CALLOUT_H_
11 #error "sctp_callout.h should never be used by dragonfly"
14 * Copyright (C) 2002, 2003, 2004 Cisco Systems Inc,
15 * All rights reserved.
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
20 * 1. Redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer.
22 * 2. Redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution.
25 * 3. Neither the name of the project nor the names of its contributors
26 * may be used to endorse or promote products derived from this software
27 * without specific prior written permission.
29 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 #define _SCTP_NEEDS_CALLOUT_ 1
46 TAILQ_ENTRY(callout) tqe;
47 int c_time; /* ticks to the event */
48 void *c_arg; /* function argument */
49 void (*c_func)(void *); /* function to call */
50 int c_flags; /* state of this entry */
53 #define SCTP_TICKS_PER_FASTTIMO 20 /* we get called about */
56 TAILQ_HEAD(calloutlist, callout);
58 #define CALLOUT_ACTIVE 0x0002 /* callout is currently active */
60 #define CALLOUT_PENDING 0x0004 /* callout is waiting for timeout */
61 #define CALLOUT_FIRED 0x0008 /* it expired */
64 #define callout_active(c) ((c)->c_flags & CALLOUT_ACTIVE)
65 #define callout_deactivate(c) ((c)->c_flags &= ~CALLOUT_ACTIVE)
66 void callout_init(struct callout *);
67 #define callout_pending(c) ((c)->c_flags & CALLOUT_PENDING)
69 void callout_reset(struct callout *, int, void (*)(void *), void *);
71 int callout_stop(struct callout *);