Re: [Emc-developers] using the dummysig trick (was Re: pid with derivative inputs)

[Jeff E. <je...@un...>]

On Sat, Oct 30, 2010 at 12:55:13PM -0400, Stephen Wille Padnos wrote:
> In fact, a full set of functions might as well be defined:
> pin_has_reader()
> pin_has_writer()
> pin_is_connected()
> (has_writer() and has_reader() also imply is_connected()==true)

Of these, only the last can be determined with the dummysig trick; the
other two presently require taking the HAL lock and traversal of a
linked list.

Jeff