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C API providing a middleware abstraction layer which is used to implement the rest of ROS.
liveliness_changed.h
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1 // Copyright 2020 Open Source Robotics Foundation, Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef RMW__EVENTS_STATUSES__LIVELINESS_CHANGED_H_
16 #define RMW__EVENTS_STATUSES__LIVELINESS_CHANGED_H_
17 
18 #include <stdint.h>
19 
20 #include "rmw/visibility_control.h"
21 
22 #ifdef __cplusplus
23 extern "C"
24 {
25 #endif
26 
29 {
38  int32_t alive_count;
47  int32_t not_alive_count;
53 
54 #ifdef __cplusplus
55 }
56 #endif
57 
58 #endif // RMW__EVENTS_STATUSES__LIVELINESS_CHANGED_H_
RMW_PUBLIC_TYPE
RMW_PUBLIC_TYPE
Type mapping of rcutils log severity types to rmw specific types.
Definition: types.h:540
rmw_liveliness_changed_status_t
struct RMW_PUBLIC_TYPE rmw_liveliness_changed_status_t rmw_liveliness_changed_status_t
QoS Liveliness Changed information provided by a subscription.
rmw_liveliness_changed_status_t::alive_count_change
int32_t alive_count_change
The change in the alive_count since the status was last read.
Definition: liveliness_changed.h:49
rmw_liveliness_changed_status_t
QoS Liveliness Changed information provided by a subscription.
Definition: liveliness_changed.h:28
rmw_liveliness_changed_status_t::not_alive_count
int32_t not_alive_count
Definition: liveliness_changed.h:47
visibility_control.h
rmw_liveliness_changed_status_t::alive_count
int32_t alive_count
Definition: liveliness_changed.h:38
rmw_liveliness_changed_status_t::not_alive_count_change
int32_t not_alive_count_change
The change in the not_alive_count since the status was last read.
Definition: liveliness_changed.h:51