#include <rmw_entity.h>
Collaboration diagram for rmw_subscription_t:
Data Fields | |
| uint8_t | _reserved [7] |
| void * | backend_data |
| bool | can_loan_messages |
| rmw_qos_profile_t | qos |
| const char * | topic_name |
| const char * | type_name |
Detailed Description
Subscription entity (phase-301: renamed from subscriber to the upstream rmw_subscription_t term). Same shape as the publisher; can_loan_messages means the backend exposes the receive-side loan primitive.
Field Documentation
◆ _reserved
| uint8_t rmw_subscription_t::_reserved[7] |
Reserved for future fields; must be zero.
◆ backend_data
| void* rmw_subscription_t::backend_data |
Opaque backend state. NULL if creation failed.
◆ can_loan_messages
| bool rmw_subscription_t::can_loan_messages |
Backend exposes loan_recv / release_recv (Phase 99). DERIVED by the runtime from vtable->take_loaned_message; a backend's write is overwritten (issue 0814).
◆ qos
| rmw_qos_profile_t rmw_subscription_t::qos |
QoS subset honoured by this subscription.
◆ topic_name
| const char* rmw_subscription_t::topic_name |
Topic name (borrowed; outlives the subscription).
◆ type_name
| const char* rmw_subscription_t::type_name |
Fully-qualified type name. Borrowed.
The documentation for this struct was generated from the following file:
- include/nros/rmw_entity.h
