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Re: Module suggestion: Atomic operations


From: Bruno Haible
Subject: Re: Module suggestion: Atomic operations
Date: Wed, 01 Jul 2020 23:37:11 +0200
User-agent: KMail/5.1.3 (Linux/4.4.0-179-generic; KDE/5.18.0; x86_64; ; )

Marc Nieper-Wißkirchen wrote in
<https://lists.gnu.org/archive/html/bug-gnulib/2020-05/msg00289.html>:
> C11 has introduced atomic types and atomic operations.  When they are not
> available, one can use locks/mutexes instead.
> 
> It would be nice if there was a Gnulib module that abstracts over this,
> much like the threadlib module and friends abstract over a specific
> threading implementation.

Practically speaking, the GCC built-ins available since GCC 4.1, and then
later extended on GCC 4.7, fulfill most of the needs regarding atomics. Only
AIX and SUNpro C on Solaris need to be handled on a case-by-case basis.

Bruno




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