SoW-2020-0003: Trace Hit Counters
[lttng-tools.git] / include / lttng / event-rule / userspace-probe-internal.h
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1/*
2 * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-only
5 *
6 */
7
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8#ifndef LTTNG_EVENT_RULE_USERSPACE_PROBE_INTERNAL_H
9#define LTTNG_EVENT_RULE_USERSPACE_PROBE_INTERNAL_H
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10
11#include <common/payload-view.h>
12#include <common/macros.h>
13#include <lttng/event-rule/event-rule-internal.h>
ebdb334b 14#include <lttng/event-rule/userspace-probe.h>
df08d338 15
ebdb334b 16struct lttng_event_rule_userspace_probe {
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17 struct lttng_event_rule parent;
18 char *name;
19 struct lttng_userspace_probe_location *location;
20};
21
ebdb334b 22struct lttng_event_rule_userspace_probe_comm {
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23 /* Includes terminator `\0`. */
24 uint32_t name_len;
25 /* Includes terminator `\0`. */
26 uint32_t location_len;
27 /*
28 * Payload is composed of, in that order:
29 * - name (null terminated),
30 * - user space probe location object.
31 */
32 char payload[];
33} LTTNG_PACKED;
34
35LTTNG_HIDDEN
ebdb334b 36ssize_t lttng_event_rule_userspace_probe_create_from_payload(
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37 struct lttng_payload_view *view,
38 struct lttng_event_rule **rule);
39
40LTTNG_HIDDEN
41struct lttng_userspace_probe_location *
ebdb334b 42lttng_event_rule_userspace_probe_get_location_mutable(
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43 const struct lttng_event_rule *rule);
44
ebdb334b 45#endif /* LTTNG_EVENT_RULE_USERSPACE_PROBE_INTERNAL_H */
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