Version 1.3.4 is available upstream. Please consider updating! It seems that version 1.3.4 is available upstream, while the latest version in the Gentoo tree is 1.3.3. This information is provided from Release-Monitoring, so fix association issues there.
A caching API built around the concept of a "dogpile lock", which allows
continued access to an expiring data value while
a single thread generates a new value.