0aac04c848970a885c6e311e36d40207e153314d
[lttng-tools.git] / include / lttng / event-rule / event-rule.h
1 /*
2 * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-only
5 *
6 */
7
8 #ifndef LTTNG_EVENT_RULE_H
9 #define LTTNG_EVENT_RULE_H
10
11 #ifdef __cplusplus
12 extern "C" {
13 #endif
14
15 struct lttng_event_rule;
16
17 enum lttng_event_rule_type {
18 LTTNG_EVENT_RULE_TYPE_UNKNOWN = -1,
19 LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL = 0,
20 LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE = 1,
21 LTTNG_EVENT_RULE_TYPE_KERNEL_FUNCTION = 2,
22 LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT = 3,
23 LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE = 4,
24 LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT = 5,
25 LTTNG_EVENT_RULE_TYPE_JUL_LOGGING = 6,
26 LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING = 7,
27 LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING = 8,
28 };
29
30 enum lttng_event_rule_status {
31 LTTNG_EVENT_RULE_STATUS_OK = 0,
32 LTTNG_EVENT_RULE_STATUS_ERROR = -1,
33 LTTNG_EVENT_RULE_STATUS_UNKNOWN = -2,
34 LTTNG_EVENT_RULE_STATUS_INVALID = -3,
35 LTTNG_EVENT_RULE_STATUS_UNSET = -4,
36 LTTNG_EVENT_RULE_STATUS_UNSUPPORTED = -5,
37 };
38
39 /**
40 * An event rule describes a set of criteria to be used as a discriminant in
41 * regards to a set of events.
42 */
43
44 /*
45 * Get the event rule type.
46 *
47 * Returns the type of an event rule on success, LTTNG_EVENT_RULE_UNKNOWN on
48 * error.
49 */
50 extern enum lttng_event_rule_type lttng_event_rule_get_type(
51 const struct lttng_event_rule *event_rule);
52
53 /*
54 * Destroy an event rule object.
55 */
56 extern void lttng_event_rule_destroy(struct lttng_event_rule *rule);
57
58 #ifdef __cplusplus
59 }
60 #endif
61
62 #endif /* LTTNG_EVENT_RULE_H */
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