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RE: guaranteed up-to-date BDB backup?

Howard Chu writes:
>> Do you happen to know if Linux supports shared mutexes?
>> I can't see anything about it in the pthread mutex manpages.
> That depends on the version of LinuxThreads you're using. I've worked with up
> to version 2.2.4 and it is not supported. However that's OK on Intel at
> least, because BerkeleyDB has specific assembly-code support for fast mutexes
> on Intel boxes.

Yay! i686 here.

All this (backups supported only on some hosts) does make that 'allow
backup' extended operation more relevant, though...