(a?)synchronous stepping commands in gdb MI, a week later

[Andrew Cagney]

Konstantin Karganov wrote:
> Sorry for the repeat...
> 
> Does anyone know why the "-exec-*" commands family in GDB MI is
> declared asynchronous but in fact behaves synchronously (blocking the
> interface until the execution completes)?
> 
> Thank you.

Asynchronous behavior depends on an asynchronous backend.  At present 
only ``target async-remote'' is asynchronous (and then there's doubt 
that it still works), hence the behavior you're seeing.

Andrew