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2b4cf7622e
Remove fifo_client_handler::connect and move its code into listen_client_thread. That way we can check the return status when a client handler's connect_evt is signaled. Previously we incorrectly assumed there was a successful connection. Also simplify listen_client_thread in the following ways: - Replace fhandler_fifo::disconnect_and_reconnect by a new delete_client_handler method. Now we just delete invalid client handlers rather than trying to re-use them. - Try to maintain a client handler list that consists of connected client handlers and exactly one that is listening for a connection. This allows us to call WaitForMultipleObjects with only two wait objects. - Remove 'dummy_evt' from the fifo_client_handler struct; it is no longer needed. - On exit from listen_client_thread, delete the "extra" (listening) client handler. Otherwise there could be a connection that doesn't get recorded in the client handler list. This could happen when a file descriptor is being duplicated.
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