src/lib/lttng-ust/lttng-tracer-core.h

   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 struct lttng_ust_session;
  20 struct lttng_ust_channel_buffer;
  21 struct lttng_ust_ctx_field;
  22 struct lttng_ust_ring_buffer_ctx;
  23 struct lttng_ust_ctx_value;
  24 struct lttng_ust_event_recorder;
  25 struct lttng_ust_event_notifier;
  26 struct lttng_ust_notification_ctx;
  27
  28 int ust_lock(void) __attribute__ ((warn_unused_result))
  29         __attribute__((visibility("hidden")));
  30
  31 void ust_lock_nocheck(void)
  32         __attribute__((visibility("hidden")));
  33
  34 void ust_unlock(void)
  35         __attribute__((visibility("hidden")));
  36
  37 void lttng_ust_fixup_tls(void)
  38         __attribute__((visibility("hidden")));
  39
  40 void lttng_fixup_event_tls(void)
  41         __attribute__((visibility("hidden")));
  42
  43 void lttng_fixup_vtid_tls(void)
  44         __attribute__((visibility("hidden")));
  45
  46 void lttng_fixup_procname_tls(void)
  47         __attribute__((visibility("hidden")));
  48
  49 void lttng_fixup_cgroup_ns_tls(void)
  50         __attribute__((visibility("hidden")));
  51
  52 void lttng_fixup_ipc_ns_tls(void)
  53         __attribute__((visibility("hidden")));
  54
  55 void lttng_fixup_net_ns_tls(void)
  56         __attribute__((visibility("hidden")));
  57
  58 void lttng_fixup_time_ns_tls(void)
  59         __attribute__((visibility("hidden")));
  60
  61 void lttng_fixup_uts_ns_tls(void)
  62         __attribute__((visibility("hidden")));
  63
  64 const char *lttng_ust_obj_get_name(int id)
  65         __attribute__((visibility("hidden")));
  66
  67 int lttng_get_notify_socket(void *owner)
  68         __attribute__((visibility("hidden")));
  69
  70 char* lttng_ust_sockinfo_get_procname(void *owner)
  71         __attribute__((visibility("hidden")));
  72
  73 void lttng_ust_sockinfo_session_enabled(void *owner)
  74         __attribute__((visibility("hidden")));
  75
  76 ssize_t lttng_ust_read(int fd, void *buf, size_t len)
  77         __attribute__((visibility("hidden")));
  78
  79 size_t lttng_ust_dummy_get_size(void *priv, size_t offset)
  80         __attribute__((visibility("hidden")));
  81
  82 void lttng_ust_dummy_record(void *priv, struct lttng_ust_ring_buffer_ctx *ctx,
  83                  struct lttng_ust_channel_buffer *chan)
  84         __attribute__((visibility("hidden")));
  85
  86 void lttng_ust_dummy_get_value(void *priv, struct lttng_ust_ctx_value *value)
  87         __attribute__((visibility("hidden")));
  88
  89 void lttng_event_notifier_notification_send(
  90                 const struct lttng_ust_event_notifier *event_notifier,
  91                 const char *stack_data,
  92                 struct lttng_ust_notification_ctx *notif_ctx)
  93         __attribute__((visibility("hidden")));
  94
  95 struct lttng_counter_transport *lttng_counter_transport_find(const char *name)
  96         __attribute__((visibility("hidden")));
  97
  98 void lttng_counter_transport_register(struct lttng_counter_transport *transport)
  99         __attribute__((visibility("hidden")));
 100
 101 void lttng_counter_transport_unregister(struct lttng_counter_transport *transport)
 102         __attribute__((visibility("hidden")));
 103
 104 #ifdef HAVE_LINUX_PERF_EVENT_H
 105 void lttng_ust_fixup_perf_counter_tls(void)
 106         __attribute__((visibility("hidden")));
 107
 108 void lttng_perf_lock(void)
 109         __attribute__((visibility("hidden")));
 110
 111 void lttng_perf_unlock(void)
 112         __attribute__((visibility("hidden")));
 113 #else /* #ifdef HAVE_LINUX_PERF_EVENT_H */
 114 static inline
 115 void lttng_ust_fixup_perf_counter_tls(void)
 116 {
 117 }
 118 static inline
 119 void lttng_perf_lock(void)
 120 {
 121 }
 122 static inline
 123 void lttng_perf_unlock(void)
 124 {
 125 }
 126 #endif /* #else #ifdef HAVE_LINUX_PERF_EVENT_H */
 127
 128 #endif /* _LTTNG_TRACER_CORE_H */