[Bug libstdc++/12658] Thread safety problems in locale::global() and locale::locale()

[rittle at latour dot rsch dot comm dot mot dot com]

------- Additional Comments From rittle at latour dot rsch dot comm dot mot dot com  2003-12-13 07:12 -------
Subject: Re:  Thread safety problems in locale::global() and
	locale::locale()


>------- Additional Comments From bkoz at gcc dot gnu dot org  2003-12-13

>Well......... something like this will work. It's modeled off of the glibc
>setlocale bits, and I think it will work. 

>Thoughts?

>2003-12-13  Benjamin Kosnik  <bkoz@redhat.com>
>
>	PR libstdc++/12658
>	* include/Makefile.am (bits_headers): Add concurrence.h.
>	* include/Makefile.in: Regenerated.
>	* include/bits/concurrence.h: New.
>	* src/locale_init.cc: Use it.
>	(locale::locale): Lock critical regions.
>	(locale::global): Same.

It seems odd to wrap atomic updates with a mutex but it looks OK...  I
must commend the improvement of adding bits/concurrence.h instead of
continuing the ad hoc style which is scattered about. - Loren


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12658