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df08d338 JR |
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_UPROBE_H | |
9 | #define LTTNG_EVENT_RULE_UPROBE_H | |
10 | ||
11 | #include <lttng/event-rule/event-rule.h> | |
12 | #include <lttng/userspace-probe.h> | |
13 | ||
14 | #ifdef __cplusplus | |
15 | extern "C" { | |
16 | #endif | |
17 | ||
18 | /* | |
19 | * Create a newly allocated uprobe event rule. | |
20 | * | |
21 | * Returns a new event rule on success, NULL on failure. This event rule must be | |
22 | * destroyed using lttng_event_rule_destroy(). | |
23 | */ | |
24 | extern struct lttng_event_rule *lttng_event_rule_uprobe_create(void); | |
25 | ||
26 | /* | |
27 | * Set the location of a uprobe event rule. | |
28 | * | |
29 | * The location is copied internally. | |
30 | * | |
31 | * Returns LTTNG_EVENT_RULE_STATUS_OK on success, LTTNG_EVENT_RULE_STATUS_INVALID | |
32 | * if invalid parameters are passed. | |
33 | */ | |
34 | extern enum lttng_event_rule_status lttng_event_rule_uprobe_set_location( | |
35 | struct lttng_event_rule *rule, | |
36 | const struct lttng_userspace_probe_location *location); | |
37 | ||
38 | /* | |
39 | * Get the location of a uprobe event rule. | |
40 | * | |
41 | * The caller does not assume the ownership of the returned location. | |
42 | * The location shall only be used for the duration of the event | |
43 | * rule's lifetime, or before a different location is set. | |
44 | * | |
45 | * Returns LTTNG_EVENT_RULE_STATUS_OK and a pointer to the event rule's location | |
46 | * on success, LTTNG_EVENT_RULE_STATUS_INVALID if an invalid parameter is | |
47 | * passed, or LTTNG_EVENT_RULE_STATUS_UNSET if a location was not set prior to | |
48 | * this call. | |
49 | */ | |
50 | extern enum lttng_event_rule_status lttng_event_rule_uprobe_get_location( | |
51 | const struct lttng_event_rule *rule, | |
52 | const struct lttng_userspace_probe_location **location); | |
53 | ||
54 | /* | |
55 | * Set the name of a uprobe event rule. | |
56 | * | |
57 | * The name is copied internally. | |
58 | * | |
59 | * Return LTTNG_EVENT_RULE_STATUS_OK on success, LTTNG_EVENT_RULE_STATUS_INVALID | |
60 | * if invalid parameters are passed. | |
61 | */ | |
62 | extern enum lttng_event_rule_status lttng_event_rule_uprobe_set_name( | |
63 | struct lttng_event_rule *rule, const char *name); | |
64 | ||
65 | /* | |
66 | * Get the name of a uprobe event rule. | |
67 | * | |
68 | * The caller does not assume the ownership of the returned name. | |
69 | * The name shall only only be used for the duration of the event | |
70 | * rule's lifetime, or before a different name is set. | |
71 | * | |
72 | * Returns LTTNG_EVENT_RULE_STATUS_OK and a pointer to the event rule's name on | |
73 | * success, LTTNG_EVENT_RULE_STATUS_INVALID if an invalid parameter is passed, | |
74 | * or LTTNG_EVENT_RULE_STATUS_UNSET if a name was not set prior to this call. | |
75 | */ | |
76 | extern enum lttng_event_rule_status lttng_event_rule_uprobe_get_name( | |
77 | const struct lttng_event_rule *rule, const char **name); | |
78 | ||
79 | #ifdef __cplusplus | |
80 | } | |
81 | #endif | |
82 | ||
83 | #endif /* LTTNG_EVENT_RULE_UPROBE_H */ |