PERFORCE change 174517 for review

[Robert Watson]

http://p4web.freebsd.org/chv.cgi?CH=174517

Change 174517 by rwatson at rwatson_cinnamon on 2010/02/09 16:34:09

	Update TODO.

Affected files ...

.. //depot/projects/trustedbsd/capabilities/TODO#21 edit

Differences ...

==== //depot/projects/trustedbsd/capabilities/TODO#21 (text+ko) ====

@@ -37,9 +37,9 @@
 - Review poll/select/kqueue behavior, and in particular decide if/how we want
   CAP_EVENT to work.
 
-- UNIX domain socket passing of file descriptors may need modification to
-  take into account indirectly referenced descriptors hung off of
-  capabilities in its GC routine.
+- UNIX domain socket garbage collection doesn't know how to follow the
+  linkage from a capability to the underlying file descriptor, which can lead
+  to premature garbage collection of in-use items.
 
 - Consider moving to per-class capability masks, such as CAP_SOCK_FOO, and a
   per-class mask identifying possible rights.
@@ -68,4 +68,7 @@
 - It would be nice if we didn't need -rdynamic; can we export just _capstart?
   Should we add more information (a capability entry point) to ELF?
 
-- Fix handling of DFLAG_PASSABLE.
+- Fix handling of DFLAG_PASSABLE: need to propagate !passable state up from
+  non-passible objects, such as capability-wrapped kqueues.
+
+- gzip -c fails.