hpcc-systems/HPCC-Platform — pull request #4734 by jakesmith (2013-08-08 10:11:01+00:00)
Title: HPCC-9828 - Resolve package watcher notification/reload deadlock

Multiple CDaliPackageWatcher's could be notified in parallel
on different threads. Each invoked a reload of all packages in
the manager, which could result in deadlock, if two threads
both tried to unregister a watcher that was already in
it's notify method.

Signed-off-by: Jake Smith