HAMMER 60I/Many: Mirroring
[dragonfly.git] / sys / netinet / sctp_callout.h
blob60305071f147d5d001d882c58f136c388d3c75cf
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_
7 #ifndef _SYS_QUEUE_H_
8 #include <sys/queue.h>
9 #endif
12 * Copyright (C) 2002, 2003, 2004 Cisco Systems Inc,
13 * All rights reserved.
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
17 * are met:
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
23 * 3. Neither the name of the project nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
40 #define _SCTP_NEEDS_CALLOUT_ 1
42 #ifndef __NetBSD__
43 struct callout {
44 TAILQ_ENTRY(callout) tqe;
45 int c_time; /* ticks to the event */
46 void *c_arg; /* function argument */
47 void (*c_func)(void *); /* function to call */
48 int c_flags; /* state of this entry */
50 #endif
51 #define SCTP_TICKS_PER_FASTTIMO 20 /* we get called about */
52 /* every 20ms */
54 TAILQ_HEAD(calloutlist, callout);
56 #define CALLOUT_ACTIVE 0x0002 /* callout is currently active */
57 #ifndef __NetBSD__
58 #define CALLOUT_PENDING 0x0004 /* callout is waiting for timeout */
59 #define CALLOUT_FIRED 0x0008 /* it expired */
60 #endif
62 #define callout_active(c) ((c)->c_flags & CALLOUT_ACTIVE)
63 #define callout_deactivate(c) ((c)->c_flags &= ~CALLOUT_ACTIVE)
64 void callout_init(struct callout *);
65 #define callout_pending(c) ((c)->c_flags & CALLOUT_PENDING)
67 void callout_reset(struct callout *, int, void (*)(void *), void *);
68 #ifndef __NetBSD__
69 int callout_stop(struct callout *);
70 #endif
71 #endif