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It is straightforward a bug fix release for support of older compilers. liburcu is a LGPLv2.1 userspace RCU (read-copy-update) library. This data synchronization library provides read-side access which scales linearly with the number of cores. It does so by allowing multiple copies of a given data structure to live at the same time, and by monitoring the data structure accesses to detect grace periods after which memory reclamation is possible. liburcu-cds provides efficient data structures based on RCU and lock-free algorithms. Those structures include hash tables, queues, stacks, and doubly-linked lists. Changelog: 2025-05-14 Userspace RCU 0.15.3 * Fix: Use bitfield static assert with GCC < 7.1.0 * Fix: Allow compile-time checks for GCC 5.1 Thanks, Mathieu Project website: https://liburcu.org Git repository: https://git.liburcu.org/userspace-rcu.git -- Mathieu Desnoyers EfficiOS Inc. https://www.efficios.com