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Commit 792b0f46 authored by Tom Lane's avatar Tom Lane
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Get rid of not-very-portable fcntl(F_SETLK) mechanism for locking the Unix

socket file, in favor of having an ordinary lockfile beside the socket file.
Clean up a few robustness problems in the lockfile code.  If postmaster is
going to reject a connection request based on database state, it will now
tell you so before authentication exchange not after.  (Of course, a failure
after is still possible if conditions change meanwhile, but this makes life
easier for a yet-to-be-written pg_ping utility.)
parent 1efd7330
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