| 1 | /* |
| 2 | * SPDX-License-Identifier: LGPL-2.1-only |
| 3 | * |
| 4 | * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 5 | * |
| 6 | * This contains the core definitions for the Linux Trace Toolkit. |
| 7 | */ |
| 8 | |
| 9 | #ifndef _LTTNG_TRACER_CORE_H |
| 10 | #define _LTTNG_TRACER_CORE_H |
| 11 | |
| 12 | #include <stddef.h> |
| 13 | #include <urcu/arch.h> |
| 14 | #include <urcu/list.h> |
| 15 | #include <lttng/ust-tracer.h> |
| 16 | #include <lttng/ust-ringbuffer-context.h> |
| 17 | #include "common/logging.h" |
| 18 | |
| 19 | enum lttng_ust_init_thread_flags { |
| 20 | LTTNG_UST_INIT_THREAD_CONTEXT_CACHE = (1 << 0), |
| 21 | LTTNG_UST_INIT_THREAD_MASK = (LTTNG_UST_INIT_THREAD_CONTEXT_CACHE << 1) - 1, |
| 22 | }; |
| 23 | |
| 24 | struct lttng_ust_session; |
| 25 | struct lttng_ust_channel_buffer; |
| 26 | struct lttng_ust_ctx_field; |
| 27 | struct lttng_ust_ring_buffer_ctx; |
| 28 | struct lttng_ust_ctx_value; |
| 29 | struct lttng_ust_event_recorder; |
| 30 | struct lttng_ust_event_notifier; |
| 31 | struct lttng_ust_notification_ctx; |
| 32 | |
| 33 | int ust_lock(void) __attribute__ ((warn_unused_result)) |
| 34 | __attribute__((visibility("hidden"))); |
| 35 | |
| 36 | void ust_lock_nocheck(void) |
| 37 | __attribute__((visibility("hidden"))); |
| 38 | |
| 39 | void ust_unlock(void) |
| 40 | __attribute__((visibility("hidden"))); |
| 41 | |
| 42 | void lttng_ust_common_init_thread(int flags) |
| 43 | __attribute__((visibility("hidden"))); |
| 44 | |
| 45 | void lttng_ust_vtid_init_thread(int flags) |
| 46 | __attribute__((visibility("hidden"))); |
| 47 | |
| 48 | void lttng_ust_procname_init_thread(int flags) |
| 49 | __attribute__((visibility("hidden"))); |
| 50 | |
| 51 | void lttng_ust_cgroup_ns_init_thread(int flags) |
| 52 | __attribute__((visibility("hidden"))); |
| 53 | |
| 54 | void lttng_ust_ipc_ns_init_thread(int flags) |
| 55 | __attribute__((visibility("hidden"))); |
| 56 | |
| 57 | void lttng_ust_net_ns_init_thread(int flags) |
| 58 | __attribute__((visibility("hidden"))); |
| 59 | |
| 60 | void lttng_ust_time_ns_init_thread(int flags) |
| 61 | __attribute__((visibility("hidden"))); |
| 62 | |
| 63 | void lttng_ust_uts_ns_init_thread(int flags) |
| 64 | __attribute__((visibility("hidden"))); |
| 65 | |
| 66 | const char *lttng_ust_obj_get_name(int id) |
| 67 | __attribute__((visibility("hidden"))); |
| 68 | |
| 69 | int lttng_get_notify_socket(void *owner) |
| 70 | __attribute__((visibility("hidden"))); |
| 71 | |
| 72 | char* lttng_ust_sockinfo_get_procname(void *owner) |
| 73 | __attribute__((visibility("hidden"))); |
| 74 | |
| 75 | void lttng_ust_sockinfo_session_enabled(void *owner) |
| 76 | __attribute__((visibility("hidden"))); |
| 77 | |
| 78 | void lttng_event_notifier_notification_send( |
| 79 | const struct lttng_ust_event_notifier *event_notifier, |
| 80 | const char *stack_data, |
| 81 | struct lttng_ust_probe_ctx *probe_ctx, |
| 82 | struct lttng_ust_notification_ctx *notif_ctx) |
| 83 | __attribute__((visibility("hidden"))); |
| 84 | |
| 85 | #ifdef HAVE_LINUX_PERF_EVENT_H |
| 86 | void lttng_ust_perf_counter_init_thread(int flags) |
| 87 | __attribute__((visibility("hidden"))); |
| 88 | |
| 89 | void lttng_perf_lock(void) |
| 90 | __attribute__((visibility("hidden"))); |
| 91 | |
| 92 | void lttng_perf_unlock(void) |
| 93 | __attribute__((visibility("hidden"))); |
| 94 | #else /* #ifdef HAVE_LINUX_PERF_EVENT_H */ |
| 95 | static inline |
| 96 | void lttng_ust_perf_counter_init_thread(int flags __attribute__((unused))) |
| 97 | { |
| 98 | } |
| 99 | static inline |
| 100 | void lttng_perf_lock(void) |
| 101 | { |
| 102 | } |
| 103 | static inline |
| 104 | void lttng_perf_unlock(void) |
| 105 | { |
| 106 | } |
| 107 | #endif /* #else #ifdef HAVE_LINUX_PERF_EVENT_H */ |
| 108 | |
| 109 | #endif /* _LTTNG_TRACER_CORE_H */ |