Re: Using TLSAlloc to read data into a DLL
"Igor Tandetnik" <itandetnik@mvps.org> wrote in message
news:OZiZTv9SIHA.4768@TK2MSFTNGP02.phx.gbl...
"Sanjay" <sanjay.gangadhara@gmail.com> wrote in message
news:bfccc6af-46c2-4091-907e-29e5b7485908@z11g2000hsf.googlegroups.com
I am very new to Windows programming, and wanted to learn more about
the use of the function TlsAlloc. My specific application is that I
would like to read data into a file when the DLL is first loaded, and
store that data in a memory block that is untouched until the DLL is
unloaded. For my particular problem, use of the STATIC keyword is
insufficient.
What precisely do you feel is wrong with it? It looks like you can simply
allocate a block of memory in DllMain(DLL_PROCESS_ATTACH) and save it in a
global variable. Then free it in DllMain(DLL_PROCESS_DETACH).
Note that DllMain shouldn't call any complicated routines because it is
called under OS loader lock. Allocating memory should be ok, depending on
the allocator used. Reading from a file is almost certainly not safe.
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