1 #ifndef _LTTNG_UST_EVENTS_INTERNAL_H
2 #define _LTTNG_UST_EVENTS_INTERNAL_H
5 * ust-events-internal.h
7 * Copyright 2019 (c) - Francis Deslauriers <francis.deslauriers@efficios.com>
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 #include <urcu/list.h>
31 #include <urcu/hlist.h>
34 #include <lttng/ust-events.h>
36 struct lttng_event_enabler
{
37 struct lttng_enabler base
;
38 struct cds_list_head node
; /* per-session list of enablers */
39 struct lttng_channel
*chan
;
41 * Unused, but kept around to make it explicit that the tracer can do
44 struct lttng_ctx
*ctx
;
47 struct lttng_trigger_enabler
{
48 struct lttng_enabler base
;
50 struct cds_list_head node
; /* per-app list of trigger enablers */
51 struct lttng_trigger_group
*group
; /* weak ref */
55 struct lttng_enabler
*lttng_event_enabler_as_enabler(
56 struct lttng_event_enabler
*event_enabler
)
58 return &event_enabler
->base
;
62 struct lttng_enabler
*lttng_trigger_enabler_as_enabler(
63 struct lttng_trigger_enabler
*trigger_enabler
)
65 return &trigger_enabler
->base
;
70 struct lttng_event_enabler
*lttng_event_enabler_create(
71 enum lttng_enabler_format_type format_type
,
72 struct lttng_ust_event
*event_param
,
73 struct lttng_channel
*chan
);
77 void lttng_event_enabler_destroy(struct lttng_event_enabler
*enabler
);
81 int lttng_event_enabler_enable(struct lttng_event_enabler
*enabler
);
85 int lttng_event_enabler_disable(struct lttng_event_enabler
*enabler
);
89 int lttng_event_enabler_attach_bytecode(struct lttng_event_enabler
*enabler
,
90 struct lttng_ust_filter_bytecode_node
*bytecode
);
94 int lttng_event_enabler_attach_context(struct lttng_event_enabler
*enabler
,
95 struct lttng_ust_context
*ctx
);
99 int lttng_event_enabler_attach_exclusion(struct lttng_event_enabler
*enabler
,
100 struct lttng_ust_excluder_node
*excluder
);
104 void lttng_enabler_link_bytecode(const struct lttng_event_desc
*event_desc
,
105 struct lttng_ctx
**ctx
,
106 struct cds_list_head
*bytecode_runtime_head
,
107 struct lttng_enabler
*enabler
);
111 struct lttng_trigger_group
*lttng_trigger_group_create(void);
115 void lttng_trigger_group_destroy(
116 struct lttng_trigger_group
*trigger_group
);
120 struct lttng_trigger_enabler
*lttng_trigger_enabler_create(
121 struct lttng_trigger_group
*trigger_group
,
122 enum lttng_enabler_format_type format_type
,
123 struct lttng_ust_trigger
*trigger_param
);
127 void lttng_trigger_enabler_destroy(struct lttng_trigger_enabler
*trigger_enabler
);
131 int lttng_trigger_enabler_enable(struct lttng_trigger_enabler
*trigger_enabler
);
135 int lttng_trigger_enabler_disable(struct lttng_trigger_enabler
*trigger_enabler
);
139 int lttng_trigger_enabler_attach_bytecode(
140 struct lttng_trigger_enabler
*trigger_enabler
,
141 struct lttng_ust_filter_bytecode_node
*bytecode
);
145 int lttng_trigger_enabler_attach_exclusion(
146 struct lttng_trigger_enabler
*trigger_enabler
,
147 struct lttng_ust_excluder_node
*excluder
);
151 void lttng_free_trigger_filter_runtime(struct lttng_trigger
*trigger
);
155 int lttng_fix_pending_triggers(void);
157 #endif /* _LTTNG_UST_EVENTS_INTERNAL_H */