1 #ifndef _BABELTRACE_TRACE_HANDLE_H
2 #define _BABELTRACE_TRACE_HANDLE_H
9 * Copyright 2012 EfficiOS Inc. and Linux Foundation
11 * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
12 * Julien Desfossez <julien.desfossez@efficios.com>
14 * Permission is hereby granted, free of charge, to any person obtaining a copy
15 * of this software and associated documentation files (the "Software"), to deal
16 * in the Software without restriction, including without limitation the rights
17 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
18 * copies of the Software, and to permit persons to whom the Software is
19 * furnished to do so, subject to the following conditions:
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
29 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #include <babeltrace/clock-types.h>
41 * trace_handle : unique identifier of a trace
43 * The trace_handle allows the user to manipulate a trace file directly.
44 * It is a unique identifier representing a trace file.
46 struct bt_trace_handle
;
50 * bt_trace_handle_get_path : returns the path of a trace_handle or NULL
53 const char *bt_trace_handle_get_path(struct bt_context
*ctx
, int handle_id
);
56 * bt_trace_handle_get_timestamp_begin : get the creation time (in
57 * nanoseconds or cycles depending on type) of the buffers of a trace.
59 * Returns 0 on success, -1 on error.
61 int bt_trace_handle_get_timestamp_begin(struct bt_context
*ctx
,
62 int handle_id
, enum bt_clock_type type
,
66 * bt_trace_handle_get_timestamp_end : get the destruction time
67 * (in nanoseconds or cycles depending on type) of the buffers of a
70 * Returns 0 on success, -1 on error.
72 int bt_trace_handle_get_timestamp_end(struct bt_context
*ctx
,
73 int handle_id
, enum bt_clock_type type
,
77 * bt_ctf_event_get_handle_id : get the handle id associated with an event
81 int bt_ctf_event_get_handle_id(const struct bt_ctf_event
*event
);
87 #endif /* _BABELTRACE_TRACE_HANDLE_H */
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