Re: [Boost-users] [asio] io_service::run() never returns and is blocking my thread

Robert Dailey wrote:

In other words, a call to join() on that thread hangs indefinitely until data is received. My completion callback is not executed at all until data arrives for reading.

How can I force run() to return when I interrupt my thread?

Have you tried to close or cancel the serial port object? It should return your waiting handlers with an "operation interrupted" error code. Kind regards, Rutger