liblttng-ust/tracepoint-internal.h

   1 /*
   2  * SPDX-License-Identifier: LGPL-2.1-only
   3  *
   4  * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5  */
   6
   7 #ifndef _LTTNG_TRACEPOINT_INTERNAL_H
   8 #define _LTTNG_TRACEPOINT_INTERNAL_H
   9
  10 #include <urcu/list.h>
  11 #include <lttng/tracepoint-types.h>
  12 #include <lttng/ust-events.h>
  13
  14 #include "ust-helper.h"
  15
  16 #define TRACE_DEFAULT   TRACE_DEBUG_LINE
  17
  18 struct tracepoint_lib {
  19         struct cds_list_head list;      /* list of registered libs */
  20         struct lttng_ust_tracepoint * const *tracepoints_start;
  21         int tracepoints_count;
  22         struct cds_list_head callsites;
  23 };
  24
  25 LTTNG_HIDDEN
  26 int tracepoint_probe_register_noupdate(const char *name,
  27                 void (*callback)(void), void *priv,
  28                 const char *signature);
  29
  30 LTTNG_HIDDEN
  31 int tracepoint_probe_unregister_noupdate(const char *name,
  32                 void (*callback)(void), void *priv);
  33 LTTNG_HIDDEN
  34 void tracepoint_probe_update_all(void);
  35
  36 void *lttng_ust_tp_check_weak_hidden1(void);
  37 void *lttng_ust_tp_check_weak_hidden2(void);
  38 void *lttng_ust_tp_check_weak_hidden3(void);
  39
  40 /*
  41  * These symbols are ABI between liblttng-ust-tracepoint and liblttng-ust,
  42  * which is why they are not hidden and not part of the public API.
  43  */
  44 int lttng_ust_tp_probe_register_queue_release(const char *name,
  45                 void (*func)(void), void *data, const char *signature);
  46 int lttng_ust_tp_probe_unregister_queue_release(const char *name,
  47                 void (*func)(void), void *data);
  48 void lttng_ust_tp_probe_prune_release_queue(void);
  49
  50 void lttng_ust_tp_init(void);
  51 void lttng_ust_tp_exit(void);
  52
  53
  54 #endif /* _LTTNG_TRACEPOINT_INTERNAL_H */