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      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
     54 heartbeat_start(void)
     55 {
     56 }
     57 
     58 static inline void
     59 heartbeat(void)
     60 {
     61 }
     62 
     63 static inline void
     64 heartbeat_suspend(void)
     65 {
     66 }
     67 
     68 static inline void
     69 heartbeat_resume(void)
     70 {
     71 }
     72 
     73 #endif
     74 
     75 #endif	/* _SYS_HEARTBEAT_H */
     76