include/babeltrace/context-internal.h

   1 #ifndef _BABELTRACE_CONTEXT_INTERNAL_H
   2 #define _BABELTRACE_CONTEXT_INTERNAL_H
   3
   4 /*
   5  * BabelTrace
   6  *
   7  * context header (internal)
   8  *
   9  * Copyright 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 <glib.h>
  27
  28 struct trace_collection;
  29 struct GHashTable;
  30
  31 /*
  32  * The context represents the object in which a trace_collection is
  33  * open. As long as this structure is allocated, the trace_collection is
  34  * open and the traces it contains can be read and seeked by the
  35  * iterators and callbacks.
  36  *
  37  * It has to be created with the bt_context_create() function and
  38  * destroyed by calling one more bt_context_put() than bt_context_get()
  39  */
  40 struct bt_context {
  41         struct trace_collection *tc;
  42         GHashTable *trace_handles;
  43         int refcount;
  44         int last_trace_handle_id;
  45         struct bt_iter *current_iterator;
  46 };
  47
  48 #endif /* _BABELTRACE_CONTEXT_INTERNAL_H */