[18.09 backport] bugfix: wait for stdin creation before CloseIO Upstream-commit: 6236f7b8a47fbd77895f8894306de4555d511f40 Component: engine
[18.09 backport] bugfix: wait for stdin creation before CloseIO Upstream-commit: 6236f7b8a47fbd77895f8894306de4555d511f40 Component: engine