Concurrent FIFO queue. Lock-free reading. Write under lock (for [mpmc] version). Write lock does not block read.
Linked list of chunks (C++ std::deque -like). Each chunk have "read counter".
When "read counter" reach readers count - chunk dropped. Chunk considered read, when
Reader reach its end. See doc/principal-of-operation.md
.
EventQueue
live, until EventReader
s live.
In order to completely drop EventQueue
- drop all associated EventReader
s.
Features
double_buffering
: Reuse biggest freed chunk.