Spawn new process using the provided command and messages serializer,
return child handler and a read-write channel which holds the spawned
process’s stdin and stderr streams. This channel can be used for IPC if the
spawned process runs a Server.
Spawn new process using the provided command and messages serializer,
return child handler and a read-write channel which holds the spawned
process’s stdin and stdout streams. This channel can be used for IPC if the
spawned process runs a Server.