tree fba92293da0dc6927954f6a99ada889eeefc4bc4
parent 1277aea8405ea3256a2b0f730506c4610cadafa4
author Marco Nelissen <marcone@google.com> 1442436487 -0700
committer Marco Nelissen <marcone@google.com> 1442438307 -0700

Optionally print name for fd

Add utility function to get the file name for a file descriptor,
and use it in various places.

Change-Id: I196b557a56d5ef0ef89e2020aab2699eafae61b0