[lttng-ust.git] / include / lttng / tracepoint-rcu.h

#ifndef _LTTNG_TRACEPOINT_RCU_H
#define _LTTNG_TRACEPOINT_RCU_H

/*
 * Copyright 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 */

#include <urcu/compiler.h>

#ifdef _LGPL_SOURCE

#include <urcu-bp.h>

#define tp_rcu_read_lock_bp	rcu_read_lock_bp
#define tp_rcu_read_unlock_bp	rcu_read_unlock_bp
#define tp_rcu_dereference_bp	rcu_dereference_bp
#define TP_RCU_LINK_TEST()	1

#else	/* _LGPL_SOURCE */

#define tp_rcu_read_lock_bp	tracepoint_dlopen.rcu_read_lock_sym_bp
#define tp_rcu_read_unlock_bp	tracepoint_dlopen.rcu_read_unlock_sym_bp

#define tp_rcu_dereference_bp(p)					   \
		URCU_FORCE_CAST(__typeof__(p),				   \
			tracepoint_dlopen.rcu_dereference_sym_bp(URCU_FORCE_CAST(void *, p)))

#define TP_RCU_LINK_TEST()	tp_rcu_read_lock_bp

#endif	/* _LGPL_SOURCE */

#endif	/* _LTTNG_TRACEPOINT_RCU_H */
Commit	Line	Data
40b2b5a4 MD	1	#ifndef _LTTNG_TRACEPOINT_RCU_H
	2	#define _LTTNG_TRACEPOINT_RCU_H
	3
	4	/*
e92f3e28	5	* Copyright 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
40b2b5a4	6	*
e92f3e28 MD	7	* Permission is hereby granted, free of charge, to any person obtaining a copy
	8	* of this software and associated documentation files (the "Software"), to deal
	9	* in the Software without restriction, including without limitation the rights
	10	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	11	* copies of the Software, and to permit persons to whom the Software is
	12	* furnished to do so, subject to the following conditions:
40b2b5a4	13	*
e92f3e28 MD	14	* The above copyright notice and this permission notice shall be included in
e92f3e28 MD	15	* all copies or substantial portions of the Software.
40b2b5a4 MD	16	*/
	17
	18	#include <urcu/compiler.h>
	19
	20	#ifdef _LGPL_SOURCE
	21
	22	#include <urcu-bp.h>
	23
40b2b5a4 MD	24	#define tp_rcu_read_lock_bp rcu_read_lock_bp
	25	#define tp_rcu_read_unlock_bp rcu_read_unlock_bp
	26	#define tp_rcu_dereference_bp rcu_dereference_bp
51920067	27	#define TP_RCU_LINK_TEST() 1
40b2b5a4 MD	28
	29	#else /* _LGPL_SOURCE */
	30
51920067 MD	31	#define tp_rcu_read_lock_bp tracepoint_dlopen.rcu_read_lock_sym_bp
51920067 MD	32	#define tp_rcu_read_unlock_bp tracepoint_dlopen.rcu_read_unlock_sym_bp
40b2b5a4	33
a4eaf8ea MD	34	#define tp_rcu_dereference_bp(p) \
	35	URCU_FORCE_CAST(__typeof__(p), \
	36	tracepoint_dlopen.rcu_dereference_sym_bp(URCU_FORCE_CAST(void *, p)))
40b2b5a4	37
51920067 MD	38	#define TP_RCU_LINK_TEST() tp_rcu_read_lock_bp
51920067 MD	39
40b2b5a4 MD	40	#endif /* _LGPL_SOURCE */
	41
	42	#endif /* _LTTNG_TRACEPOINT_RCU_H */