1 /* $NetBSD: heartbeat.h,v 1.2 2023/09/02 17:44:59 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2023 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef _SYS_HEARTBEAT_H
30 #define _SYS_HEARTBEAT_H
31
32 #ifndef _KERNEL
33 #error No user-serviceable parts in this heart.
34 #endif
35
36 #ifdef _KERNEL_OPT
37 #include "opt_heartbeat.h"
38 #endif
39
40 #ifdef HEARTBEAT
41
42 void heartbeat_start(void);
43
44 void heartbeat(void);
45
46 void heartbeat_suspend(void);
47 void heartbeat_resume(void);
48
49 void heartbeat_dump(void);
50
51 #else
52
53 static inline void
heartbeat_start(void)54 heartbeat_start(void)
55 {
56 }
57
58 static inline void
heartbeat(void)59 heartbeat(void)
60 {
61 }
62
63 static inline void
heartbeat_suspend(void)64 heartbeat_suspend(void)
65 {
66 }
67
68 static inline void
heartbeat_resume(void)69 heartbeat_resume(void)
70 {
71 }
72
73 #endif
74
75 #endif /* _SYS_HEARTBEAT_H */
76