Here is a new patch set with the following changes:
* The restore_library, archive_cleanup_library, and recovery_end_library
parameters are merged into one parameter.
* restore_library can now be changed via SIGHUP. To provide a way for
modules to clean up when their callbacks are unloaded, I've introduced an
optional shutdown callback.
* Parameter misconfigurations are now always ERRORs. I'm less confident
that we can get by with just a WARNING now that restore_library can be
changed via SIGHUP, and this makes things more consistent with
archive_library/command.
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Nathan Bossart
Amazon Web Services: https://aws.amazon.com