Re: [reSIProcate] Contents static initializers
Totally agree with Cullen. Writing a singleton class
to handle this stuff maybe another solution.
kaiduan
--- Cullen Jennings <fluffy@xxxxxxxxx> wrote:
>
> I thought long ago we just decide to force calling a
> init function on the
> stack to deal with all this stuff. Complex static
> initializes are a
> nightmare. I really hate it when my program seg
> faults before getting into
> main
>
>
> On 1/3/05 3:46 PM, "david Butcher"
> <david@xxxxxxxxxxxxxx> wrote:
>
> >
> > Hi all,
> >
> > Happy New Year (western).
> >
> > I took a look at the scary static initializers for
> derived Contents types. The
> > initializers map Mime type to the contents
> parser/packager through the
> > ContentsFactory template. This means that
> including a contents type ties it in
> > to the factory.
> >
> > It turns out that they are implemented correctly
> as far as one can get C++
> > static initializers right.
> >
> > In some cases, it may be necessary to call
> FooContents::init() explicity in
> > main
> > to guarantee that the content type is added to the
> factory. I am not sure when
> > this will be required -- possibly in some obscure
> DLL cases, but it is always
> > safe. Perhaps someone with experience in dynamic
> linking can comment?
> >
> > I fixed a few header files that had missing bits
> of the static initializer
> > magic. For the most part, you shouldn't have to
> worry about this issue -- just
> > make sure that all concrete contents derived types
> have:
> >
> > 1. a static init() method
> > 2. a namespace level bool that is inited with the
> init() method
> > 3. an implementation of init() (in .cxx) that
> creates the factory instance
> > as a scoped static variable.
> >
> > See SdpContents for an example of correct usage.
> >
> > thanks,
> > david
> > _______________________________________________
> > resiprocate-devel mailing list
> > resiprocate-devel@xxxxxxxxxxxxxxxxxxx
> >
>
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>
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