Re: [Help-glpk] GLPK 4.61: thread local storage in Windows DLL

[Andrew Makhorin]

Please see attached a working tls implementation for dll. It is from
some old version of glpk.



On Mon, 2017-01-09 at 20:32 +0100, Heinrich Schuchardt wrote:
> Hello David,
> 
> the thread local storage is not correctly implemented for usage with
> Windows in a DLL. See
> 
> https://msdn.microsoft.com/en-us/library/windows/desktop/ms686997
> 
> I think we should do the following:
> 
> Write a test case that demonstrates the usage of multithreading GLPK
> using the pthread library.
> 
> Add a pthread emulation for Windows so we can use the same test code
> with Windows and with Posix. For a minimalistic implementation see
> http://sqlstat.sourceforge.net/doxygen/html/sqlthread_8h_source.html
> 
> Rewrite the allocation and freeing of the env variable according to the
> Windows DLL requirements.
> 
> Best regards
> 
> Heinrich Schuchardt
>

dlltsl.c
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