[signal] Add generic signal registration and dispatch...

This will be used for generic registration and dispatching
of any kind of event. We will have different areas (like
with the debug interface) and each layer can define their
own struct for the event message... This is not tested yet
tree: b50de08a1e0465d381e0765ebf062e24d7f886fe
  1. tests/
  2. tools/
  3. AUTHORS
  4. configure.in
  5. COPYING
  6. Makefile.am
  7. README