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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; |
e7bc0ef6 | 28 | struct lttng_ust_channel_buffer; |
daacdbfc | 29 | struct lttng_ust_ctx_field; |
ce7352a2 | 30 | struct lttng_ust_lib_ring_buffer_ctx; |
daacdbfc | 31 | struct lttng_ust_ctx_value; |
e7bc0ef6 | 32 | struct lttng_ust_event_recorder; |
d7d45c0d | 33 | struct lttng_ust_event_notifier; |
a2e4d05e | 34 | struct lttng_ust_notification_ctx; |
4fbf9cd1 | 35 | |
ddabe860 | 36 | __attribute__((visibility("hidden"))) |
3327ac33 | 37 | int ust_lock(void) __attribute__ ((warn_unused_result)); |
ddabe860 MJ |
38 | |
39 | __attribute__((visibility("hidden"))) | |
3327ac33 | 40 | void ust_lock_nocheck(void); |
ddabe860 MJ |
41 | |
42 | __attribute__((visibility("hidden"))) | |
17dfb34b | 43 | void ust_unlock(void); |
8165c8da | 44 | |
ddabe860 | 45 | __attribute__((visibility("hidden"))) |
472b4adf | 46 | void lttng_ust_fixup_tls(void); |
ddabe860 MJ |
47 | |
48 | __attribute__((visibility("hidden"))) | |
eddd8d5d | 49 | void lttng_fixup_event_tls(void); |
ddabe860 MJ |
50 | |
51 | __attribute__((visibility("hidden"))) | |
4158a15a | 52 | void lttng_fixup_vtid_tls(void); |
ddabe860 MJ |
53 | |
54 | __attribute__((visibility("hidden"))) | |
009745db | 55 | void lttng_fixup_procname_tls(void); |
ddabe860 MJ |
56 | |
57 | __attribute__((visibility("hidden"))) | |
735bef47 | 58 | void lttng_fixup_cgroup_ns_tls(void); |
ddabe860 MJ |
59 | |
60 | __attribute__((visibility("hidden"))) | |
735bef47 | 61 | void lttng_fixup_ipc_ns_tls(void); |
ddabe860 MJ |
62 | |
63 | __attribute__((visibility("hidden"))) | |
735bef47 | 64 | void lttng_fixup_net_ns_tls(void); |
ddabe860 MJ |
65 | |
66 | __attribute__((visibility("hidden"))) | |
cefef7a7 | 67 | void lttng_fixup_time_ns_tls(void); |
ddabe860 MJ |
68 | |
69 | __attribute__((visibility("hidden"))) | |
735bef47 | 70 | void lttng_fixup_uts_ns_tls(void); |
eddd8d5d | 71 | |
ddabe860 | 72 | __attribute__((visibility("hidden"))) |
cdcd2ecd MJ |
73 | void lttng_ust_fixup_fd_tracker_tls(void); |
74 | ||
ddabe860 | 75 | __attribute__((visibility("hidden"))) |
74d81a6c MD |
76 | const char *lttng_ust_obj_get_name(int id); |
77 | ||
ddabe860 | 78 | __attribute__((visibility("hidden"))) |
32ce8569 MD |
79 | int lttng_get_notify_socket(void *owner); |
80 | ||
ddabe860 | 81 | __attribute__((visibility("hidden"))) |
94be38e8 JR |
82 | char* lttng_ust_sockinfo_get_procname(void *owner); |
83 | ||
ddabe860 | 84 | __attribute__((visibility("hidden"))) |
246be17e | 85 | void lttng_ust_sockinfo_session_enabled(void *owner); |
95c25348 | 86 | |
ddabe860 | 87 | __attribute__((visibility("hidden"))) |
405be658 MD |
88 | ssize_t lttng_ust_read(int fd, void *buf, size_t len); |
89 | ||
ddabe860 | 90 | __attribute__((visibility("hidden"))) |
daacdbfc | 91 | size_t lttng_ust_dummy_get_size(struct lttng_ust_ctx_field *field, size_t offset); |
ddabe860 MJ |
92 | |
93 | __attribute__((visibility("hidden"))) | |
daacdbfc | 94 | void lttng_ust_dummy_record(struct lttng_ust_ctx_field *field, |
ce7352a2 | 95 | struct lttng_ust_lib_ring_buffer_ctx *ctx, |
e7bc0ef6 | 96 | struct lttng_ust_channel_buffer *chan); |
ddabe860 | 97 | __attribute__((visibility("hidden"))) |
daacdbfc MD |
98 | void lttng_ust_dummy_get_value(struct lttng_ust_ctx_field *field, |
99 | struct lttng_ust_ctx_value *value); | |
ce7352a2 | 100 | |
ddabe860 | 101 | __attribute__((visibility("hidden"))) |
cab88ff8 | 102 | void lttng_event_notifier_notification_send( |
d7d45c0d | 103 | struct lttng_ust_event_notifier *event_notifier, |
a2e4d05e MD |
104 | const char *stack_data, |
105 | struct lttng_ust_notification_ctx *notif_ctx); | |
cab88ff8 | 106 | |
ddabe860 | 107 | __attribute__((visibility("hidden"))) |
23d128de | 108 | struct lttng_counter_transport *lttng_counter_transport_find(const char *name); |
ddabe860 MJ |
109 | |
110 | __attribute__((visibility("hidden"))) | |
23d128de | 111 | void lttng_counter_transport_register(struct lttng_counter_transport *transport); |
ddabe860 MJ |
112 | |
113 | __attribute__((visibility("hidden"))) | |
23d128de MJ |
114 | void lttng_counter_transport_unregister(struct lttng_counter_transport *transport); |
115 | ||
eeef0055 | 116 | #ifdef HAVE_LINUX_PERF_EVENT_H |
ddabe860 | 117 | __attribute__((visibility("hidden"))) |
20142124 | 118 | void lttng_ust_fixup_perf_counter_tls(void); |
ddabe860 MJ |
119 | |
120 | __attribute__((visibility("hidden"))) | |
20142124 | 121 | void lttng_perf_lock(void); |
ddabe860 MJ |
122 | |
123 | __attribute__((visibility("hidden"))) | |
20142124 | 124 | void lttng_perf_unlock(void); |
eeef0055 | 125 | #else /* #ifdef HAVE_LINUX_PERF_EVENT_H */ |
20142124 MD |
126 | static inline |
127 | void lttng_ust_fixup_perf_counter_tls(void) | |
128 | { | |
129 | } | |
130 | static inline | |
131 | void lttng_perf_lock(void) | |
132 | { | |
133 | } | |
134 | static inline | |
135 | void lttng_perf_unlock(void) | |
136 | { | |
137 | } | |
eeef0055 | 138 | #endif /* #else #ifdef HAVE_LINUX_PERF_EVENT_H */ |
20142124 | 139 | |
7dd08bec | 140 | #endif /* _LTTNG_TRACER_CORE_H */ |