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by jgalar 2996 days ago
Even the kernel occasionally breaks interfaces. Case in point, FUTEX_FD was introduced in 2.6.0 and retired in 2.6.26 [1].

I don't think anyone working on glibc is intent on breaking user space. Sometimes it's just the most pragmatic solution.

[1] http://man7.org/linux/man-pages/man2/futex.2.html