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      1 /*	$NetBSD: tracepoint.h,v 1.4 2021/12/19 12:22:10 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2020 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 _LINUX_TRACEPOINT_H_
     30 #define _LINUX_TRACEPOINT_H_
     31 
     32 #include <sys/types.h>
     33 
     34 #define	TRACE_EVENT(NAME, PROTOTYPE, ARGS, FIELDS, TRACE, PRINT)	      \
     35 	static inline void trace_##NAME PROTOTYPE {}
     36 
     37 #define	TP_PROTO(ARGS...)	(ARGS)
     38 
     39 #define	DECLARE_EVENT_CLASS(NAME, PROTOTYPE, ARGS, FIELDS, TRACE, PRINT)      \
     40 	/* nothing */
     41 
     42 #define	DEFINE_EVENT(CLASS, NAME, PROTOTYPE, ARGS)			      \
     43 	static inline void trace_##NAME PROTOTYPE {}			      \
     44 	static inline bool trace_##NAME##_enabled(void) { return false; }
     45 
     46 #endif	/* _LINUX_TRACEPOINT_H_ */
     47