Babeltrace 2 C API  2.0.3
Open-source trace manipulation framework
connection.h
1 #ifndef BABELTRACE2_GRAPH_CONNECTION_H
2 #define BABELTRACE2_GRAPH_CONNECTION_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 #include <babeltrace2/types.h>
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
91  const bt_connection *connection);
92 
107  const bt_connection *connection);
108 
131 extern void bt_connection_get_ref(const bt_connection *connection);
132 
148 extern void bt_connection_put_ref(const bt_connection *connection);
149 
164 #define BT_CONNECTION_PUT_REF_AND_RESET(_connection) \
165  do { \
166  bt_connection_put_ref(_connection); \
167  (_connection) = NULL; \
168  } while (0)
169 
195 #define BT_CONNECTION_MOVE_REF(_dst, _src) \
196  do { \
197  bt_connection_put_ref(_dst); \
198  (_dst) = (_src); \
199  (_src) = NULL; \
200  } while (0)
201 
206 #ifdef __cplusplus
207 }
208 #endif
209 
210 #endif /* BABELTRACE2_GRAPH_CONNECTION_H */
struct bt_port_input bt_port_input
Input port.
Definition: types.h:80
struct bt_port_output bt_port_output
Output port.
Definition: types.h:81
const bt_port_input * bt_connection_borrow_downstream_port_const(const bt_connection *connection)
Borrows the upstream input port of the connection connection.
void bt_connection_put_ref(const bt_connection *connection)
Decrements the reference count of the connection connection.
void bt_connection_get_ref(const bt_connection *connection)
Increments the reference count of the connection connection.
const bt_port_output * bt_connection_borrow_upstream_port_const(const bt_connection *connection)
Borrows the downstream output port of the connection connection.
struct bt_connection bt_connection
Connection.
Definition: types.h:47