Fix: src.ctf.lttng-live: emitting stream end msg with no stream
[babeltrace.git] / include / babeltrace2 / graph / connection-const.h
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1#ifndef BABELTRACE2_GRAPH_CONNECTION_CONST_H
2#define BABELTRACE2_GRAPH_CONNECTION_CONST_H
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3
4/*
0dcb770f 5 * Copyright (c) 2010-2019 EfficiOS Inc. and Linux Foundation
784cdc68 6 *
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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
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26#ifndef __BT_IN_BABELTRACE_H
27# error "Please include <babeltrace2/babeltrace.h> instead."
28#endif
29
71c5da58 30#include <babeltrace2/types.h>
73d5c1ad 31
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32#ifdef __cplusplus
33extern "C" {
34#endif
35
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36extern const bt_port_input *bt_connection_borrow_downstream_port_const(
37 const bt_connection *connection);
784cdc68 38
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39extern const bt_port_output *bt_connection_borrow_upstream_port_const(
40 const bt_connection *connection);
834e9996 41
8eee8ea2 42extern void bt_connection_get_ref(const bt_connection *connection);
090a4c0a 43
8eee8ea2 44extern void bt_connection_put_ref(const bt_connection *connection);
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45
46#define BT_CONNECTION_PUT_REF_AND_RESET(_var) \
47 do { \
48 bt_connection_put_ref(_var); \
49 (_var) = NULL; \
50 } while (0)
51
52#define BT_CONNECTION_MOVE_REF(_var_dst, _var_src) \
53 do { \
54 bt_connection_put_ref(_var_dst); \
55 (_var_dst) = (_var_src); \
56 (_var_src) = NULL; \
57 } while (0)
58
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59#ifdef __cplusplus
60}
61#endif
62
3fd40f46 63#endif /* BABELTRACE2_GRAPH_CONNECTION_CONST_H */
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