[babeltrace.git] / include / babeltrace / context-internal.h

#ifndef _BABELTRACE_CONTEXT_INTERNAL_H
#define _BABELTRACE_CONTEXT_INTERNAL_H

/*
 * BabelTrace
 *
 * context header (internal)
 *
 * Copyright 2012 EfficiOS Inc. and Linux Foundation
 *
 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *         Julien Desfossez <julien.desfossez@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <glib.h>

struct trace_collection;
struct GHashTable;

/*
 * The context represents the object in which a trace_collection is
 * open. As long as this structure is allocated, the trace_collection is
 * open and the traces it contains can be read and seeked by the
 * iterators and callbacks.
 *
 * It has to be created with the bt_context_create() function and
 * destroyed by calling one more bt_context_put() than bt_context_get()
 */
struct bt_context {
	struct trace_collection *tc;
	GHashTable *trace_handles;
	int refcount;
	int last_trace_handle_id;
	struct bt_iter *current_iterator;
};

#endif /* _BABELTRACE_CONTEXT_INTERNAL_H */
Commit	Line	Data
f5b30718 MD	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.
c462e188 MD	24	*
	25	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	26	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	27	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	28	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	29	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	30	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	31	* SOFTWARE.
f5b30718 MD	32	*/
f5b30718 MD	33
34861b9d JD	34	#include <glib.h>
34861b9d JD	35
f5b30718 MD	36	struct trace_collection;
	37	struct GHashTable;
	38
	39	/*
	40	* The context represents the object in which a trace_collection is
	41	* open. As long as this structure is allocated, the trace_collection is
	42	* open and the traces it contains can be read and seeked by the
	43	* iterators and callbacks.
	44	*
	45	* It has to be created with the bt_context_create() function and
	46	* destroyed by calling one more bt_context_put() than bt_context_get()
	47	*/
	48	struct bt_context {
	49	struct trace_collection *tc;
	50	GHashTable *trace_handles;
	51	int refcount;
	52	int last_trace_handle_id;
e003e871	53	struct bt_iter *current_iterator;
f5b30718 MD	54	};
	55
	56	#endif /* _BABELTRACE_CONTEXT_INTERNAL_H */