add do1-do7 di1 procfs

hc

2023-10-12 3124110e504ba82e43686669ed7188bcdbe72744

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# Locally calculated
sha256 973593d3479abdf657674a55afe5f78624b0e440614e2b8cb3a07f16d4d7f821  libev-4.24.tar.gz