Florian Weimer and I created a test that exercises the newer POSIX semaphore destruction semantics. It SIGSEGVs on broken implementations.
Nice. Is the source available and easy to build/test against different implementations?
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Yes, we'll send it upstream to glibc. It's the expected two thread race. I use signals to slow one thread. And mmap/munmap for SIGSEGV.
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