gdb/remote - I/O

[Andrew Cagney]

Fernando Nasser wrote:
> 
> I guess Mark found a way to preserve the Request-Response nature of the
> protocol while processing input without the need of an interrupt.
> 
> When the target program issues a read from the console, the stub should
> stop it and send a "T" packet with  SIGTTIN (read on terminal by
> background process).
> 
> This reflects what really happens.  The application will probably issue
> a prompt ("O" packets) and then will need input and will have to halt
> and wait for it.

I don't think trying to overload SIGTTIN is correct.  A remote UNIX
process could get that for reasons other than needing to get input from
GDB>

	Andrew