Kludged around hang in hier_block2. Merged -r6189:6191 from eb/fg
authoreb <eb@221aa14e-8319-0410-a670-987f0aec2ac5>
Tue, 28 Aug 2007 05:59:31 +0000 (05:59 +0000)
committereb <eb@221aa14e-8319-0410-a670-987f0aec2ac5>
Tue, 28 Aug 2007 05:59:31 +0000 (05:59 +0000)
commit02cd43b565615593f90bd08eb4e718a6ee649661
tree647dfca3951ba3297ed2e8f520caa03b0cb00b87
parentc088a546ac7ae55748e5421201f3387f3e1286f9
Kludged around hang in hier_block2.  Merged -r6189:6191 from eb/fg
into trunk.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6193 221aa14e-8319-0410-a670-987f0aec2ac5
gnuradio-core/src/lib/runtime/gr_scheduler_thread.cc
gnuradio-core/src/lib/runtime/gr_single_threaded_scheduler.cc
gnuradio-core/src/lib/runtime/gr_single_threaded_scheduler.h
gnuradio-core/src/lib/runtime/gr_top_block_impl.cc
gnuradio-core/src/lib/runtime/qa_gr_top_block.cc
gnuradio-core/src/lib/runtime/qa_gr_top_block.h