| 1 | #ifndef _BABELTRACE_ITERATOR_INTERNAL_H |
| 2 | #define _BABELTRACE_ITERATOR_INTERNAL_H |
| 3 | |
| 4 | /* |
| 5 | * BabelTrace |
| 6 | * |
| 7 | * Internal iterator header |
| 8 | * |
| 9 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
| 10 | * |
| 11 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 12 | * |
| 13 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 14 | * of this software and associated documentation files (the "Software"), to deal |
| 15 | * in the Software without restriction, including without limitation the rights |
| 16 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 17 | * copies of the Software, and to permit persons to whom the Software is |
| 18 | * furnished to do so, subject to the following conditions: |
| 19 | * |
| 20 | * The above copyright notice and this permission notice shall be included in |
| 21 | * all copies or substantial portions of the Software. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * struct babeltrace_iter: data structure representing an iterator on a trace |
| 26 | * collection. |
| 27 | */ |
| 28 | struct babeltrace_iter { |
| 29 | struct ptr_heap *stream_heap; |
| 30 | struct trace_collection *tc; |
| 31 | struct trace_collection_pos *end_pos; |
| 32 | GArray *callbacks; /* Array of struct bt_stream_callbacks */ |
| 33 | struct bt_callback_chain main_callbacks; /* For all events */ |
| 34 | /* |
| 35 | * Flag indicating if dependency graph needs to be recalculated. |
| 36 | * Set by babeltrace_iter_add_callback(), and checked (and |
| 37 | * cleared) by upon entry into babeltrace_iter_read_event(). |
| 38 | * babeltrace_iter_read_event() is responsible for calling dep |
| 39 | * graph calculation if it sees this flag set. |
| 40 | */ |
| 41 | int recalculate_dep_graph; |
| 42 | /* |
| 43 | * Array of pointers to struct bt_dependencies, for garbage |
| 44 | * collection. We're not using a linked list here because each |
| 45 | * struct bt_dependencies can belong to more than one |
| 46 | * babeltrace_iter. |
| 47 | */ |
| 48 | GPtrArray *dep_gc; |
| 49 | }; |
| 50 | |
| 51 | #endif /* _BABELTRACE_ITERATOR_INTERNAL_H */ |