Sergey Bugaev 1d03391488 Net: Store an acceptor PID alongside the origin PID in a socket ...

* The origin PID is the PID of the process that created this socket,
  either explicitly by calling socket(), or implicitly by accepting
  a TCP connection. Note that accepting a local socket connection
  does not create a new socket, it reuses the one connect() was
  called on, so for accepted local sockets the origin PID points
  to the connecting process.

* The acceptor PID is the PID of the process that accept()ed this
  socket. For accepted TCP sockets, this is the same as origin PID.

2019-08-11 16:30:43 +02:00

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