include/babeltrace/ctf/events-internal.h

   1 #ifndef _BABELTRACE_CTF_EVENTS_INTERNAL_H
   2 #define _BABELTRACE_CTF_EVENTS_INTERNAL_H
   3
   4 /*
   5  * BabelTrace
   6  *
   7  * CTF events API (internal)
   8  *
   9  * Copyright 2011-2012 EfficiOS Inc. and Linux Foundation
  10  *
  11  * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  12  *         Julien Desfossez <julien.desfossez@efficios.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining
  15  * a copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sublicense, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice shall be
  23  * included in all copies or substantial portions of the Software.
  24  */
  25
  26 #include <babeltrace/iterator-internal.h>
  27 #include <babeltrace/ctf/callbacks.h>
  28 #include <babeltrace/ctf/callbacks-internal.h>
  29 #include <glib.h>
  30
  31 struct ctf_stream_definition;
  32 struct ctf_event_definition;
  33 /*
  34  * the structure to manipulate events
  35  */
  36 struct bt_ctf_event {
  37         struct ctf_stream_definition *stream;
  38         struct ctf_event_definition *event;
  39 };
  40
  41 struct bt_ctf_iter {
  42         struct bt_iter parent;
  43         struct bt_ctf_event current_ctf_event;  /* last read event */
  44         GArray *callbacks;                              /* Array of struct bt_stream_callbacks */
  45         struct bt_callback_chain main_callbacks;        /* For all events */
  46         /*
  47          * Flag indicating if dependency graph needs to be recalculated.
  48          * Set by bt_iter_add_callback(), and checked (and
  49          * cleared) by upon entry into bt_iter_read_event().
  50          * bt_iter_read_event() is responsible for calling dep
  51          * graph calculation if it sees this flag set.
  52          */
  53         int recalculate_dep_graph;
  54         /*
  55          * Array of pointers to struct bt_dependencies, for garbage
  56          * collection. We're not using a linked list here because each
  57          * struct bt_dependencies can belong to more than one
  58          * bt_iter.
  59          */
  60         GPtrArray *dep_gc;
  61 };
  62
  63 #endif /*_BABELTRACE_CTF_EVENTS_INTERNAL_H */