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dfa MT-safe?


From: Bruno Haible
Subject: dfa MT-safe?
Date: Sat, 14 Dec 2019 12:43:20 +0100
User-agent: KMail/5.1.3 (Linux/4.4.0-166-generic; KDE/5.18.0; x86_64; ; )

Hi Paul, Arnold, Jim,

If the 'dfa' module supposed to be multithread-safe?

I'm asking because dfa.c invokes
  setlocale (LC_ALL, NULL),
and I've found out that this call is not MT-safe on musl libc, macOS,
FreeBSD, NetBSD, OpenBSD, AIX, Haiku, Cygwin, MSVC.

I'm working on a fix and would like to know whether to include 'dfa'
among the modules to be fixed...

Bruno




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