class sender :This engine copies all data from the
src:#async_in_channel -> dst:Unix.file_descr -> ?close_src:bool -> ?close_dst:bool -> Unixqueue.event_system ->
srcinput channel to the
dstfile descriptor. The engine attaches immediately to the event system, and detaches automatically.
By default, both the file descriptor and the output channel are closed when the engine stops operation, either successfully or because of an error.
The semantics of the engine is undefined if
dst is not a
The engine goes to
`Error state when either reading from
or writing to
dst raises an unexpected exception.
TODO: This class cannot yet cope with Win32 named pipes.
close_src: Whether to close
srcwhen the engine stops (default:
close_dst: Whether to close
dstwhen the engine stops (default: