SoW-2020-0002: Trace Hit Counters: trigger error reporting integration
[lttng-tools.git] / include / lttng / condition / evaluation-internal.h
1 /*
2 * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-only
5 *
6 */
7
8 #ifndef LTTNG_EVALUATION_INTERNAL_H
9 #define LTTNG_EVALUATION_INTERNAL_H
10
11 #include <lttng/condition/evaluation.h>
12 #include <lttng/condition/condition.h>
13 #include <common/macros.h>
14 #include <stdbool.h>
15 #include <sys/types.h>
16
17 struct lttng_payload;
18 struct lttng_payload_view;
19
20 typedef void (*evaluation_destroy_cb)(struct lttng_evaluation *evaluation);
21 typedef int (*evaluation_serialize_cb)(
22 const struct lttng_evaluation *evaluation,
23 struct lttng_payload *payload);
24
25 struct lttng_evaluation_comm {
26 /* enum lttng_condition_type type */
27 int8_t type;
28 char payload[];
29 } LTTNG_PACKED;
30
31 struct lttng_evaluation {
32 enum lttng_condition_type type;
33 evaluation_serialize_cb serialize;
34 evaluation_destroy_cb destroy;
35 };
36
37 LTTNG_HIDDEN
38 void lttng_evaluation_init(struct lttng_evaluation *evaluation,
39 enum lttng_condition_type type);
40
41 LTTNG_HIDDEN
42 ssize_t lttng_evaluation_create_from_payload(
43 const struct lttng_condition *condition,
44 struct lttng_payload_view *view,
45 struct lttng_evaluation **evaluation);
46
47 LTTNG_HIDDEN
48 int lttng_evaluation_serialize(const struct lttng_evaluation *evaluation,
49 struct lttng_payload *payload);
50
51 #endif /* LTTNG_EVALUATION_INTERNAL_H */
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