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4fbf9cd1 | 1 | /* |
c0c0989a MJ |
2 | * SPDX-License-Identifier: LGPL-2.1-only |
3 | * | |
4fbf9cd1 MD |
4 | * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
5 | * | |
6 | * This contains the core definitions for the Linux Trace Toolkit. | |
4fbf9cd1 MD |
7 | */ |
8 | ||
c0c0989a MJ |
9 | #ifndef _LTTNG_TRACER_CORE_H |
10 | #define _LTTNG_TRACER_CORE_H | |
11 | ||
b728d87e MD |
12 | #include <stddef.h> |
13 | #include <urcu/arch.h> | |
4fbf9cd1 | 14 | #include <urcu/list.h> |
44c72f10 | 15 | #include <lttng/ust-tracer.h> |
0466ac28 | 16 | #include <lttng/ringbuffer-context.h> |
44c72f10 | 17 | #include <usterr-signal-safe.h> |
4fbf9cd1 | 18 | |
735bef47 MJ |
19 | /* |
20 | * The longuest possible namespace proc path is with the cgroup ns | |
21 | * and the maximum theoretical linux pid of 536870912 : | |
22 | * | |
23 | * /proc/self/task/536870912/ns/cgroup | |
24 | */ | |
25 | #define LTTNG_PROC_NS_PATH_MAX 40 | |
26 | ||
f69fe5fb | 27 | struct lttng_ust_session; |
7dd08bec MD |
28 | struct lttng_channel; |
29 | struct lttng_event; | |
daacdbfc | 30 | struct lttng_ust_ctx_field; |
ce7352a2 | 31 | struct lttng_ust_lib_ring_buffer_ctx; |
daacdbfc | 32 | struct lttng_ust_ctx_value; |
d7d45c0d | 33 | struct lttng_ust_event_notifier; |
4fbf9cd1 | 34 | |
ddabe860 | 35 | __attribute__((visibility("hidden"))) |
3327ac33 | 36 | int ust_lock(void) __attribute__ ((warn_unused_result)); |
ddabe860 MJ |
37 | |
38 | __attribute__((visibility("hidden"))) | |
3327ac33 | 39 | void ust_lock_nocheck(void); |
ddabe860 MJ |
40 | |
41 | __attribute__((visibility("hidden"))) | |
17dfb34b | 42 | void ust_unlock(void); |
8165c8da | 43 | |
ddabe860 | 44 | __attribute__((visibility("hidden"))) |
472b4adf | 45 | void lttng_ust_fixup_tls(void); |
ddabe860 MJ |
46 | |
47 | __attribute__((visibility("hidden"))) | |
eddd8d5d | 48 | void lttng_fixup_event_tls(void); |
ddabe860 MJ |
49 | |
50 | __attribute__((visibility("hidden"))) | |
4158a15a | 51 | void lttng_fixup_vtid_tls(void); |
ddabe860 MJ |
52 | |
53 | __attribute__((visibility("hidden"))) | |
009745db | 54 | void lttng_fixup_procname_tls(void); |
ddabe860 MJ |
55 | |
56 | __attribute__((visibility("hidden"))) | |
735bef47 | 57 | void lttng_fixup_cgroup_ns_tls(void); |
ddabe860 MJ |
58 | |
59 | __attribute__((visibility("hidden"))) | |
735bef47 | 60 | void lttng_fixup_ipc_ns_tls(void); |
ddabe860 MJ |
61 | |
62 | __attribute__((visibility("hidden"))) | |
735bef47 | 63 | void lttng_fixup_net_ns_tls(void); |
ddabe860 MJ |
64 | |
65 | __attribute__((visibility("hidden"))) | |
cefef7a7 | 66 | void lttng_fixup_time_ns_tls(void); |
ddabe860 MJ |
67 | |
68 | __attribute__((visibility("hidden"))) | |
735bef47 | 69 | void lttng_fixup_uts_ns_tls(void); |
eddd8d5d | 70 | |
ddabe860 | 71 | __attribute__((visibility("hidden"))) |
cdcd2ecd MJ |
72 | void lttng_ust_fixup_fd_tracker_tls(void); |
73 | ||
ddabe860 | 74 | __attribute__((visibility("hidden"))) |
74d81a6c MD |
75 | const char *lttng_ust_obj_get_name(int id); |
76 | ||
ddabe860 | 77 | __attribute__((visibility("hidden"))) |
32ce8569 MD |
78 | int lttng_get_notify_socket(void *owner); |
79 | ||
ddabe860 | 80 | __attribute__((visibility("hidden"))) |
94be38e8 JR |
81 | char* lttng_ust_sockinfo_get_procname(void *owner); |
82 | ||
ddabe860 | 83 | __attribute__((visibility("hidden"))) |
246be17e | 84 | void lttng_ust_sockinfo_session_enabled(void *owner); |
95c25348 | 85 | |
ddabe860 | 86 | __attribute__((visibility("hidden"))) |
405be658 MD |
87 | ssize_t lttng_ust_read(int fd, void *buf, size_t len); |
88 | ||
ddabe860 | 89 | __attribute__((visibility("hidden"))) |
daacdbfc | 90 | size_t lttng_ust_dummy_get_size(struct lttng_ust_ctx_field *field, size_t offset); |
ddabe860 MJ |
91 | |
92 | __attribute__((visibility("hidden"))) | |
daacdbfc | 93 | void lttng_ust_dummy_record(struct lttng_ust_ctx_field *field, |
ce7352a2 MD |
94 | struct lttng_ust_lib_ring_buffer_ctx *ctx, |
95 | struct lttng_channel *chan); | |
ddabe860 | 96 | __attribute__((visibility("hidden"))) |
daacdbfc MD |
97 | void lttng_ust_dummy_get_value(struct lttng_ust_ctx_field *field, |
98 | struct lttng_ust_ctx_value *value); | |
ce7352a2 | 99 | |
ddabe860 | 100 | __attribute__((visibility("hidden"))) |
cab88ff8 | 101 | void lttng_event_notifier_notification_send( |
d7d45c0d | 102 | struct lttng_ust_event_notifier *event_notifier, |
cab88ff8 MD |
103 | const char *stack_data); |
104 | ||
ddabe860 | 105 | __attribute__((visibility("hidden"))) |
23d128de | 106 | struct lttng_counter_transport *lttng_counter_transport_find(const char *name); |
ddabe860 MJ |
107 | |
108 | __attribute__((visibility("hidden"))) | |
23d128de | 109 | void lttng_counter_transport_register(struct lttng_counter_transport *transport); |
ddabe860 MJ |
110 | |
111 | __attribute__((visibility("hidden"))) | |
23d128de MJ |
112 | void lttng_counter_transport_unregister(struct lttng_counter_transport *transport); |
113 | ||
bd8c1787 | 114 | #ifdef HAVE_PERF_EVENT |
ddabe860 | 115 | __attribute__((visibility("hidden"))) |
20142124 | 116 | void lttng_ust_fixup_perf_counter_tls(void); |
ddabe860 MJ |
117 | |
118 | __attribute__((visibility("hidden"))) | |
20142124 | 119 | void lttng_perf_lock(void); |
ddabe860 MJ |
120 | |
121 | __attribute__((visibility("hidden"))) | |
20142124 | 122 | void lttng_perf_unlock(void); |
bd8c1787 | 123 | #else /* #ifdef HAVE_PERF_EVENT */ |
20142124 MD |
124 | static inline |
125 | void lttng_ust_fixup_perf_counter_tls(void) | |
126 | { | |
127 | } | |
128 | static inline | |
129 | void lttng_perf_lock(void) | |
130 | { | |
131 | } | |
132 | static inline | |
133 | void lttng_perf_unlock(void) | |
134 | { | |
135 | } | |
bd8c1787 | 136 | #endif /* #else #ifdef HAVE_PERF_EVENT */ |
20142124 | 137 | |
7dd08bec | 138 | #endif /* _LTTNG_TRACER_CORE_H */ |