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http://issues.apache.org/jira/browse/TUSCANY-959?page=comments#action_12458021 
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Yang ZHONG commented on TUSCANY-959:
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Thanks to Geoff for so many details.

2. Microsoft MSDN (http://msdn2.microsoft.com/en-us/library/2kzt1wy3.aspx)
     has confirmed /MD(d) can be used for multi-threaded run-time DLLs.

4.1 we need to call xmlInitParser() in the "main" thread before using any of 
the libxml2 API
4.2 LibXML2 from http://www.zlatkovic.com/libxml.en.html (Tuscany 
recommendation for Windows)
       is already configured with --with-threads

5.1 zLib is thread-safe (http://www.zlib.net/zlib_faq.html#faq21)
5.2 iConv character set conversion descriptor can not be used in multiple 
threads simultaneously 
(http://www.gnu.org/software/libiconv/documentation/libiconv/iconv_open.3.html)
       However, SDO doesn't call iconv_open directly. It's internally used by 
LibXML2

I'll try 4.1.

I don't have a Linux. Can anyone with one work on "3" please?

> Please use thread-safe libraries
> --------------------------------
>
>                 Key: TUSCANY-959
>                 URL: http://issues.apache.org/jira/browse/TUSCANY-959
>             Project: Tuscany
>          Issue Type: Improvement
>          Components: C++ SDO
>    Affects Versions: Cpp-current
>            Reporter: Caroline Maynard
>            Priority: Minor
>
> One of our SDO for PHP users is planning to run in a multi-threaded web 
> server.
> They have run an evaluation tool and only found one thread-safety issue - the 
> use of  localtime() rather than localtime_r()  in commonj/sdo/SDODate.cpp. 
> Please would you modify this call accordingly? It's fine for this to be a 
> conditional compile if you prefer. 

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