Re: the initialization of the main program and its loading DLL

From:
James Kanze <james.kanze@gmail.com>
Newsgroups:
comp.lang.c++
Date:
Wed, 12 Nov 2008 07:10:18 -0800 (PST)
Message-ID:
<764aa679-9e0a-45e2-9d2e-4ba1af9af95b@e1g2000pra.googlegroups.com>
On Nov 12, 6:06 am, blackbiscuit <infozyzh...@gmail.com> wrote:

Now in my current developing project, I have defined a global
object in the main program . In dlls, there are also some
static object whose constructor will use the global object in
the main program. But the problem is always the initialization
of the dll is prior to the main program. How can I do if I
wanna the main program be initialized first?


I'm not sure I understand. Are the DLL's being loaded
explicitly, or implicitly? (It's generally a good idea to avoid
DLL's except when necessary. For user written DLL's, this
really only occurs when the DLL's are loaded explicitly.)

The initializers in a DLL won't be called until the DLL is
loaded, so the simple answer is not to load it until after
you've entered main. If for some reason, explicit loading isn't
an option, or it must occur before entering main, then the
problem is basically the same as with static linking; some
variant of the singleton pattern is the usual solution.

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James Kanze (GABI Software) email:james.kanze@gmail.com
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