Chris Sosa 9d9a1b1017 Change the pid logic to reuse a file if the pid no longer exists.
BUG=chromium-os:21610
TEST=Ran cros_start_vm/cros_stop_vm ... start_vm with same pid after manually
closing it, etc.

Change-Id: If4062c452a135d39a280374cbbebfa852e744022
Reviewed-on: http://gerrit.chromium.org/gerrit/9974
Tested-by: Chris Sosa <sosa@chromium.org>
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Commit-Ready: Chris Sosa <sosa@chromium.org>
2011-10-25 08:12:33 -07:00
..
2010-07-13 15:24:54 -07:00