unbounded_buffer::reserve_message Method
Reserves a message previously offered by this unbounded_buffer messaging block.
virtual bool reserve_message(
runtime_object_identity _MsgId
);
Parameters
- _MsgId
The runtime_object_identity of the message object being reserved.
Return Value
true if the message was successfully reserved, false otherwise.
Remarks
After reserve is called, if it returns true, either consume or release must be called to either take or release ownership of the message.
Requirements
Header: agents.h
Namespace: concurrency