connection.h

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright (C) 2010-2019 EfficiOS Inc. and Linux Foundation
 */
 
#ifndef BABELTRACE2_GRAPH_CONNECTION_H
#define BABELTRACE2_GRAPH_CONNECTION_H
 
/* IWYU pragma: private, include <babeltrace2/babeltrace.h> */
 
#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) __BT_NOEXCEPT;
 
extern const bt_port_output *bt_connection_borrow_upstream_port_const(
        const bt_connection *connection) __BT_NOEXCEPT;
 
extern void bt_connection_get_ref(const bt_connection *connection)
        __BT_NOEXCEPT;
 
extern void bt_connection_put_ref(const bt_connection *connection)
        __BT_NOEXCEPT;
 
#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 */