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842c2b97 JD |
1 | /* |
2 | * trace_handle.c | |
3 | * | |
4 | * Babeltrace Library | |
5 | * | |
6 | * Copyright 2012 EfficiOS Inc. and Linux Foundation | |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
9 | * Julien Desfossez <julien.desfossez@efficios.com> | |
10 | * | |
11 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
12 | * of this software and associated documentation files (the "Software"), to deal | |
13 | * in the Software without restriction, including without limitation the rights | |
14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
15 | * copies of the Software, and to permit persons to whom the Software is | |
16 | * furnished to do so, subject to the following conditions: | |
17 | * | |
18 | * The above copyright notice and this permission notice shall be included in | |
19 | * all copies or substantial portions of the Software. | |
20 | */ | |
21 | ||
22 | #include <stdint.h> | |
23 | #include <stdlib.h> | |
24 | #include <babeltrace/babeltrace.h> | |
25 | #include <babeltrace/context.h> | |
26 | #include <babeltrace/trace-handle.h> | |
27 | #include <babeltrace/trace-handle-internal.h> | |
28 | ||
29 | struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx) | |
30 | { | |
31 | struct bt_trace_handle *th; | |
32 | ||
33 | th = calloc(1, sizeof(struct bt_trace_handle)); | |
34 | if (!th) { | |
35 | perror("allocating trace_handle"); | |
36 | return NULL; | |
37 | } | |
38 | if (!ctx) | |
39 | return NULL; | |
40 | ||
41 | th->id = ctx->last_trace_handle_id++; | |
42 | return th; | |
43 | } | |
44 | ||
45 | void bt_trace_handle_destroy(struct bt_trace_handle *bt) | |
46 | { | |
47 | if (bt) | |
48 | free(bt); | |
49 | } | |
50 | ||
51 | char *bt_trace_handle_get_path(struct bt_trace_handle *th) | |
52 | { | |
53 | if (th && th->path) | |
54 | return th->path; | |
55 | return NULL; | |
56 | } | |
57 | ||
58 | uint64_t bt_trace_handle_get_timestamp_begin(struct bt_trace_handle *th) | |
59 | { | |
60 | if (th) | |
61 | return th->timestamp_begin; | |
62 | return -1ULL; | |
63 | } | |
64 | ||
65 | uint64_t bt_trace_handle_get_timestamp_end(struct bt_trace_handle *th) | |
66 | { | |
67 | if (th) | |
68 | return th->timestamp_end; | |
69 | return -1ULL; | |
70 | } |