You can use DBus to call a remote procedure and pass the path of a temp file where the real data is. (You can pass actual file descriptors too.) That said DBu

You can use DBus to call a remote procedure and pass the path of a temp file where the real data is. (You can pass actual file descriptors too.) That said DBus is pretty fast. Basically somewhere around 25-30% of TCP. https://blogs.gnome.org/abustany/2010/05/20/ipc-performance-the-return-of-the-report/ https://blogs.gnome.org/abustany/2010/05/20/ipc-performance-...