/usr/include/lttng/tracepoint-rcu.h is in liblttng-ust-dev 2.0.2-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | #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) \
({ \
typeof(p) _________p1 = URCU_FORCE_CAST(typeof(p), \
tracepoint_dlopen.rcu_dereference_sym_bp(URCU_FORCE_CAST(void *, p))); \
(_________p1); \
})
#define TP_RCU_LINK_TEST() tp_rcu_read_lock_bp
#endif /* _LGPL_SOURCE */
#endif /* _LTTNG_TRACEPOINT_RCU_H */
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