[PATCH 0/1] MR6021: nsiproxy.sys: Use net.inet.tcp.pcblist64 to enumerate connections on macOS.

[Tim Clem (＠tclem)]

The handles returned by libproc (namely struct socket_info's soi_pcb)
use all 64 bits, but the ones from the pcblist sysctl are truncated
to 32. That makes find_owning_pid fail. The pcblist64 sysctl was
added in macOS 10.6 and returns handles that match those from
libproc.

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There does not seem to be a MIB constant for pcblist64, so I had to fetch it with sysctlbyname.