[Bug libstdc++/24704] __gnu_cxx::__exchange_and_add is called even for single threaded applications

[bert dot hubert at netherlabs dot nl]

------- Comment #22 from bert dot hubert at netherlabs dot nl  2006-05-22 05:20 -------
Subject: Re:  __gnu_cxx::__exchange_and_add is called even for single threaded
applications

On Sun, May 21, 2006 at 08:28:45PM -0000, pcarlini at suse dot de wrote:
> ------- Comment #21 from pcarlini at suse dot de  2006-05-21 20:28 -------
> Yes, the audit trail doesn't say that in private mail with Loren we agreed that
> for now we only want to minimally take into account --enable-threads, that is
> exploit the __GTHREADS macro, consistently with other parts of the library
> (like the allocators). I'm going to implement that.

This would mean a non-enable-threads compiled libstdc++ would skip the calls
to __exchange_and_add?

And to clarify, there would be no other way to skip these calls except
making a separate non-threaded libstdc++?

It would work for me, but I'd like to know.

Thanks.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24704