Function write_framed_message 

async fn write_framed_message(server: &NamedPipeServer, frame: &[u8]) -> bool

Write all of frame to the named pipe server, retrying partial writes and WouldBlock results until the buffer is fully drained.

Returns true on full write, false if the pipe is closed.

Panics

Panics if waiting for the pipe to become writable returns an error.