--- Wade Chandler <[EMAIL PROTECTED]> wrote:
> Elihu Smails wrote:
> > I have a C based application running on the same
> box
> > as tomcat, and I want to know if I would be able
> to
> > access the shared memory segment using Java. The
> C
> > program is setting up the shared memory using
> shmctl,
> > and not using memory mapped files.
> > I know that Java can support reading memory mapped
> > files, but not memory that is set up using the
> shm*
> > functions in C. Does anyone have any insight on
> this
> > issue.
> > I am hoping that JNI is not my only option.
> >
> >
> > thank you.
> >
> >
> >
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>
> Yep. JNI is your only solution. But, JNI isn't
> hard. You can use JNI
> and create a wrapper class by extending ByteBuffer.
> You might also find
> apache APR to be useful to help you out. Don't
> forget either that if
> you are going to run this application on different
> endian cpu's or
> endian emulated OS you'll have to reverse your byte
> order. There may
> already be a package for doing this out there some
> where (shared memory
> and reording at once).
>
> Wade
>
>
>
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>
Thanks for getting back to me :)
JNI is not that bad I agree, I just wish I could do
this without JNI. As far as the endian issue, it will
all be on the same box, so I am OK there.
Do you know if JDK 1.5 has any new shared memory
support in it?
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