connection.h

#ifndef BABELTRACE2_GRAPH_CONNECTION_H
#define BABELTRACE2_GRAPH_CONNECTION_H
 
/*
 * Copyright (c) 2010-2019 EfficiOS Inc. and Linux Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
 
#ifndef __BT_IN_BABELTRACE_H
# error "Please include <babeltrace2/babeltrace.h> instead."
#endif
 
#include <babeltrace2/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
extern const bt_port_input *bt_connection_borrow_downstream_port_const(
        const bt_connection *connection);
 
extern const bt_port_output *bt_connection_borrow_upstream_port_const(
        const bt_connection *connection);
 
extern void bt_connection_get_ref(const bt_connection *connection);
 
extern void bt_connection_put_ref(const bt_connection *connection);
 
#define BT_CONNECTION_PUT_REF_AND_RESET(_connection)    \
    do {                        \
        bt_connection_put_ref(_connection); \
        (_connection) = NULL;           \
    } while (0)
 
#define BT_CONNECTION_MOVE_REF(_dst, _src)  \
    do {                    \
        bt_connection_put_ref(_dst);    \
        (_dst) = (_src);        \
        (_src) = NULL;          \
    } while (0)
 
#ifdef __cplusplus
}
#endif
 
#endif /* BABELTRACE2_GRAPH_CONNECTION_H */