Re: Using TLSAlloc to read data into a DLL

From:
"Alexander Nickolov" <agnickolov@mvps.org>
Newsgroups:
microsoft.public.vc.language
Date:
Wed, 2 Jan 2008 10:49:04 -0800
Message-ID:
<OISG3$WTIHA.1168@TK2MSFTNGP02.phx.gbl>
In that case you _do_not_ want TLS! It _does_not_ allow access
to the same data to different threads - by design!

--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://vcfaq.mvps.org
=====================================

"Igor Tandetnik" <itandetnik@mvps.org> wrote in message
news:ecyKIp%23SIHA.1924@TK2MSFTNGP06.phx.gbl...

"Sanjay" <sanjay.gangadhara@gmail.com> wrote in message
news:98123adf-deae-4300-ac94-e51386c97a95@i29g2000prf.googlegroups.com

Thanks for your response. I was a bit unclear in my earlier message,
which may or may not affect your answer. The DLL I am building is
multi-threaded. I want to be able to read in the data during the
DLL_PROCESS_ATTACH, as you indicate (when the DLL is first loaded). I
then want this data to be available to other threads of the DLL, which
may be called at various times. I thought that you would need to use
TlsAlloc, etc. to be able to do this - that global variables are not
passed between threads. Is this correct?


This is incorrect. All threads have access to global variables. Just do
it, you don't need anything special.
--
With best wishes,
   Igor Tandetnik

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