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substitute-binary & regexp-exec vs. threads

From: Ludovic Courtès
Subject: substitute-binary & regexp-exec vs. threads
Date: Wed, 15 May 2013 09:37:47 +0200
User-agent: Gnus/5.130005 (Ma Gnus v0.5) Emacs/24.3 (gnu/linux)

The binary substituter can use several threads (currently up to the
number of CPU cores).  I saw it segfault randomly (obviously after the
release...) and found out that this was caused by Guile’s ‘regexp-exec’,
which is not thread-safe as of 2.0.9:


Commit 0332386 works around that.  Just run “guix pull”, and you’ll be
safe.  :-)


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