Revert "move non downstream code out of em-synchrony block"
Revert "move non downstream code out of em-synchrony block"

open callback is run out of order if moved out of block

This reverts commit 0740a7d3f77c1a2b98c89330402ec9af867c476c.

jch/rack-stream,intridea/rack-stream,jch/rack-stream,intridea/rack-stream