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 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 */