#2426 Highlight possible source of the deadlock

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20706 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2426 revert r20706

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20708 b5f69653-2bf5-0310-8201-b0dafb8e1405
ticket:2459 - further optimise `GetOutputs`

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20710 b5f69653-2bf5-0310-8201-b0dafb8e1405