98236fb10e
Summary: To be used for implementing Range Locking. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7753 Reviewed By: zhichao-cao Differential Revision: D25378980 Pulled By: cheng-chang fbshipit-source-id: 801a9c5cd92a84654ca2586b73e8f69001e89320
The files in this directory originally come from https://github.com/percona/PerconaFT/. This directory only includes the "locktree" part of PerconaFT, and its dependencies. The following modifications were made: - Make locktree usable outside of PerconaFT library - Add shared read-only lock support The files named *_subst.* are substitutes of the PerconaFT's files, they contain replacements of PerconaFT's functionality.