Version 2.0.6
[lttng-ust.git] / liblttng-ust / tracepoint-internal.h
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1#ifndef _LTTNG_TRACEPOINT_INTERNAL_H
2#define _LTTNG_TRACEPOINT_INTERNAL_H
3
4/*
5 * Copyright (c) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation;
10 * version 2.1 of the License.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include <urcu/list.h>
23c8854a 23#include <urcu-bp.h>
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24#include <lttng/tracepoint-types.h>
25
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26#define TRACE_DEFAULT TRACE_DEBUG_LINE
27
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28struct tracepoint_lib {
29 struct cds_list_head list;
23c8854a 30 struct tracepoint * const *tracepoints_start;
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31 int tracepoints_count;
32};
33
67e5f391 34extern int tracepoint_probe_register_noupdate(const char *name,
0264ec6c 35 void (*callback)(void), void *priv,
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36 const char *signature);
37extern int tracepoint_probe_unregister_noupdate(const char *name,
0264ec6c 38 void (*callback)(void), void *priv);
23c8854a 39extern void tracepoint_probe_update_all(void);
4ab44fbe 40
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41/*
42 * call after disconnection of last probe implemented within a
43 * shared object before unmapping the library that contains the probe.
44 */
45static inline void tracepoint_synchronize_unregister(void)
46{
23c8854a 47 synchronize_rcu_bp();
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48}
49
50extern void init_tracepoint(void);
51extern void exit_tracepoint(void);
52
53#endif /* _LTTNG_TRACEPOINT_INTERNAL_H */
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