Adds an abstract base class that can be used to implement a pool of
client connections. The class implements a thread that runs an async
event loop, and allows derived classes to schedule work on the loop and
wait for the work to be finished.
(Bitbake rev: f113456417f9ac0a4b44b291a6e22ea8219c3a5f)
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>