dd(1) support for SIGUSR1

[Giorgos Keramidas]

On Mon, 30 Mar 2009 03:58:34 +0200, Sylwester Sosnowski <syso.fml at no-route.org> wrote:
> Hello,
>
> At least in FreeBSD 7.1-RELEASE dd(1) doesn't seem to support
> the USR1 signal. Instead of using the SIGUSR1 signal it supports
> the SIGINFO signal.
>
> For compatibility  reasons I would appreciate SIGUSR1 support beside
> of SIGINFO support. Or is there any reason not to use it?

What would you expect SIGUSR1 to do?