lib: make can_seek_beginning and can_seek_ns_from_origin methods return a status
[babeltrace.git] / include / babeltrace2 / graph / message-iterator.h
1 #ifndef BABELTRACE2_GRAPH_MESSAGE_ITERATOR_H
2 #define BABELTRACE2_GRAPH_MESSAGE_ITERATOR_H
3
4 /*
5 * Copyright (c) 2010-2019 EfficiOS Inc. and Linux Foundation
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
26 #ifndef __BT_IN_BABELTRACE_H
27 # error "Please include <babeltrace2/babeltrace.h> instead."
28 #endif
29
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33
34 typedef enum bt_message_iterator_next_status {
35 BT_MESSAGE_ITERATOR_NEXT_STATUS_OK = __BT_FUNC_STATUS_OK,
36 BT_MESSAGE_ITERATOR_NEXT_STATUS_END = __BT_FUNC_STATUS_END,
37 BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN = __BT_FUNC_STATUS_AGAIN,
38 BT_MESSAGE_ITERATOR_NEXT_STATUS_ERROR = __BT_FUNC_STATUS_ERROR,
39 BT_MESSAGE_ITERATOR_NEXT_STATUS_MEMORY_ERROR = __BT_FUNC_STATUS_MEMORY_ERROR,
40 } bt_message_iterator_next_status;
41
42 typedef enum bt_message_iterator_seek_beginning_status {
43 BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK = __BT_FUNC_STATUS_OK,
44 BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_END = __BT_FUNC_STATUS_END,
45 BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_AGAIN = __BT_FUNC_STATUS_AGAIN,
46 BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_ERROR = __BT_FUNC_STATUS_ERROR,
47 BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_MEMORY_ERROR = __BT_FUNC_STATUS_MEMORY_ERROR,
48 } bt_message_iterator_seek_beginning_status;
49
50 typedef enum bt_message_iterator_seek_ns_from_origin_status {
51 BT_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_STATUS_OK = __BT_FUNC_STATUS_OK,
52 BT_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_STATUS_END = __BT_FUNC_STATUS_END,
53 BT_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_STATUS_AGAIN = __BT_FUNC_STATUS_AGAIN,
54 BT_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_STATUS_ERROR = __BT_FUNC_STATUS_ERROR,
55 BT_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_STATUS_MEMORY_ERROR = __BT_FUNC_STATUS_MEMORY_ERROR,
56 } bt_message_iterator_seek_ns_from_origin_status;
57
58 typedef enum bt_message_iterator_can_seek_beginning_status {
59 BT_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_STATUS_OK = __BT_FUNC_STATUS_OK,
60 BT_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_STATUS_AGAIN = __BT_FUNC_STATUS_AGAIN,
61 BT_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_STATUS_ERROR = __BT_FUNC_STATUS_ERROR,
62 BT_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_STATUS_MEMORY_ERROR = __BT_FUNC_STATUS_MEMORY_ERROR,
63 } bt_message_iterator_can_seek_beginning_status;
64
65 typedef enum bt_message_iterator_can_seek_ns_from_origin_status {
66 BT_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_STATUS_OK = __BT_FUNC_STATUS_OK,
67 BT_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_STATUS_AGAIN = __BT_FUNC_STATUS_AGAIN,
68 BT_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_STATUS_ERROR = __BT_FUNC_STATUS_ERROR,
69 BT_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_STATUS_MEMORY_ERROR = __BT_FUNC_STATUS_MEMORY_ERROR,
70 } bt_message_iterator_can_seek_ns_from_origin_status;
71
72 #ifdef __cplusplus
73 }
74 #endif
75
76 #endif /* BABELTRACE2_GRAPH_MESSAGE_ITERATOR_H */
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