Benny Amorsen writes:
Sam Varshavchik <mrsam@xxxxxxxxxxxxxxx> writes: > It took me a while to figure out why my daemon kept breaking all the > time, when it couldn't stat its /proc/self/exe any more. Perhaps it's just me, but why would the daemon stat /proc/self/exe? I presume prelink writes a new file and renames into place as a proper Unix program should, which still leaves the original program intact on disk until the last open file descriptor referring to it is gone.
A means for authenticating a filesystem domain socket's peer. Receive the peer's credentials, then check /proc/pid/exe and /proc/self/exe. If they're same, the daemon is talking to another instance of itself.
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