API : trace_handle
[babeltrace.git] / include / babeltrace / trace-handle-internal.h
1 #ifndef _BABELTRACE_TRACE_HANDLE_INTERNAL_H
2 #define _BABELTRACE_TRACE_HANDLE_INTERNAL_H
3
4 /*
5 * BabelTrace
6 *
7 * Internal trace handle header
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 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:
20 *
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
23 */
24
25 #include <stdint.h>
26 #include <babeltrace/context.h>
27
28 /*
29 * trace_handle : unique identifier of a trace
30 *
31 * The trace_handle allows the user to manipulate a trace file directly.
32 * It is a unique identifier representing a trace file.
33 */
34 struct bt_trace_handle {
35 int id;
36 char *path;
37 uint64_t timestamp_begin;
38 uint64_t timestamp_end;
39 };
40
41 /*
42 * bt_trace_handle_create : allocates a trace_handle
43 *
44 * Returns a newly allocated trace_handle or NULL on error
45 */
46 struct bt_trace_handle *bt_trace_create_handle(struct bt_context *ctx);
47
48 /*
49 * bt_trace_handle_destroy : free a trace_handle
50 */
51 void bt_trace_handle_destroy(struct bt_trace_handle *bt);
52
53 #endif /* _BABELTRACE_TRACE_HANDLE_INTERNAL_H */
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