Re: [Oorexx-devel] dlopen revisited on Linux

[Rick M. <obj...@gm...>]

On Thu, Sep 18, 2008 at 3:43 PM, Mark Miesfeld <mie...@gm...> wrote:
> On Thu, Sep 18, 2008 at 12:28 PM, Rick McGuire <obj...@gm...> wrote:
>
>> It would require a little manual processing in the resolution code,
>> but we could have the code search the REXX_PATH for the library as
>> well.  It would be nice if we did this for Windows too, but I'm not
>> sure what's involved there.
>
> It would be nice to be able to load library packages that were in the REXX_PATH.
>
> Both dlopen and LoadLibrary will open the library given its full path
> name.  So, if we searched the REXX_PATH for the file and found it, the
> full path name could be used and it should work the same on Windows.
>
> Windows also has a function, SetDllDirectory() which you can use to
> add paths to the default DLL search path.  Once you augment the path,
> it stays that way for the life of the process.  On Windows, we could
> augment the DLL search path with the REXX_PATH directories on startup
> and REXX_PATH would automatically be used for the library search.

I saw that, but I'm not sure that's the behavior we want.  To start
with, it's not dynamic (i.e., you can't change it from inside a
running ooRexx program).  It's also not stable.  Some other library we
load might augment (or even worse, reset) the search path, which would
mess things up.

Rick


>
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> Mark Miesfeld
>
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