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842c2b97 JD |
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> | |
6cba487f | 26 | #include <stdlib.h> |
842c2b97 | 27 | #include <babeltrace/context.h> |
6cba487f | 28 | #include <babeltrace/format.h> |
842c2b97 JD |
29 | |
30 | /* | |
31 | * trace_handle : unique identifier of a trace | |
32 | * | |
33 | * The trace_handle allows the user to manipulate a trace file directly. | |
34 | * It is a unique identifier representing a trace file. | |
35 | */ | |
36 | struct bt_trace_handle { | |
37 | int id; | |
6cba487f MD |
38 | struct trace_descriptor *td; |
39 | struct format *format; | |
40 | char path[PATH_MAX]; | |
03798a93 JD |
41 | uint64_t real_timestamp_begin; |
42 | uint64_t real_timestamp_end; | |
43 | uint64_t cycles_timestamp_begin; | |
44 | uint64_t cycles_timestamp_end; | |
842c2b97 JD |
45 | }; |
46 | ||
47 | /* | |
48 | * bt_trace_handle_create : allocates a trace_handle | |
49 | * | |
50 | * Returns a newly allocated trace_handle or NULL on error | |
51 | */ | |
6cba487f | 52 | struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx); |
842c2b97 JD |
53 | |
54 | /* | |
55 | * bt_trace_handle_destroy : free a trace_handle | |
56 | */ | |
57 | void bt_trace_handle_destroy(struct bt_trace_handle *bt); | |
58 | ||
59 | #endif /* _BABELTRACE_TRACE_HANDLE_INTERNAL_H */ |