all to_worker communication occurs in single thread
all to_worker communication occurs in single thread

This required creating a separate socket pair to trigger communication

jcrist/dask,mrocklin/dask,ContinuumIO/dask,hainm/dask,ssanderson/dask,PhE/dask,vikhyat/dask,marianotepper/dask,cpcloud/dask,pombredanne/dask,PhE/dask,clarkfitzg/dask,hainm/dask,marianotepper/dask,wiso/dask,dask/dask,ContinuumIO/dask,jcrist/dask,esc/dask,clarkfitzg/dask,dask/dask,mraspaud/dask,mraspaud/dask,simudream/dask,ssanderson/dask,jakirkham/dask,cowlicks/dask,wiso/dask,gameduell/dask,mikegraham/dask,esc/dask,blaze/dask,blaze/dask,mrocklin/dask,chrisbarber/dask,simudream/dask,jakirkham/dask,jayhetee/dask,freeman-lab/dask,pombredanne/dask,vikhyat/dask,freeman-lab/dask,jayhetee/dask