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Date: Wed, 28 Oct 2020 16:11:05 -0400
From: Rich Felker <>
Subject: bug: sem_close always unmaps semaphore regardless of ref count

I found this while reading the code during review of lock usage for
MT-fork. Test case attached (can be adapted for libc-test regression
tests, I think, or improved to be a conformance test).


View attachment "sem_close.c" of type "text/plain" (219 bytes)

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