This adds an AF_UNIX socket pair to the manager that we can collect handoff timestamp messages on. The idea is that forked off children send a datagram with a timestamp and we use its sender PID to match it against the right forked off process. This part only implements the receiving side: a socket is created, and listened on. Received datagrams are parsed, verified and then dispatched to the interested units.
System and Service Manager
Details
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