Don't block on I/O when running shell process
Don't block on I/O when running shell process


Former-commit-id: 57611b86f75754fc5951979e15c6644155936caa
mfikes/planck,mnespor/planck,ericstewart/planck,DerekCuevas/planck,mfikes/planck,slipset/planck,slipset/planck,slipset/planck,DerekCuevas/planck,slipset/planck,ericstewart/planck,ericstewart/planck,DerekCuevas/planck,slipset/planck,mfikes/planck,mfikes/planck,mnespor/planck,mfikes/planck,mfikes/planck,mnespor/planck