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7.0

Looking for "DLL local storage" mechanism...

Asked by gil_mo in Windows Programming

Tags: dll, files, looking

Similar to TLS, I'm looking for some method to have global set of variables that are similar in definition in a few DLLs, but have different addresses.

For example, consider a.dll, b.dll and lib.dll, all loaded into memory.

I need both a.dll and b.dll to have an exported global, say, char fname[10] recognized in lib.dll; in a.dll fname=="a.txt", in b.dll fname=="b.txt".
Both DLLs call at some point a lib.dll function, that uses the global to, say, output some data to the file fname.

Note: not like TLS, this all might be using a mere one thread so TLS is ruled out. That means that I need some mechanism that whenever a process "swithces" DLL, a new set of physical memory pages is mapped to the correct address space.

Any solutions?

View the Solution FREE for 30 Days

20091111-EE-VQP-92

Looking for "DLL local storage" mechanism...

Asked by gil_mo in Windows Programming

Tags: dll, files, looking

About this solution