Re: [BLACKBOX] HostFiles for dll

From: [at]} <Bernhard>
Date: Sat, 26 Sep 2009 11:33:27 +0200

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a tiny remark.

Many parts of subsystem Host have a tricky but very elegant architecture:

These modules extend and implement abstract methods of basic modules and
provide the host specific implementations without the requirement of client
modules
 to import host specific stuff.

Therefore it is not really a surprise that it is required to link in
HostFiles
into the DLL when you need Files. But it is laso not really a surprise that
the linker cannot decide on its own, what is required.

I would love to see some more documentation about this architecture as it is
used in BlackBox, especially which basic modules require which host specific
ones.

With some phantasy I can see that EthOS (Clemens Szyperski's dissertation,
which is now available here:
http://research.microsoft.com/en-us/um/people/cszypers/books/insight-ethos.htm)
has influenced the design of BlackBox.

Bernhard

----- Original Message -----
From: Douglas G. Danforth
To: BLACKBOX{([at]})nowhere.xy
Sent: Thursday, September 24, 2009 4:55 AM
Subject: [BLACKBOX] HostFiles for dll


Folks,

Boy, after racking my brains I finally realized that it is
necessary to also include HostFiles in the linkage step.
Nothing informs me of this! I just had to take a deep
breath and think about it. I assume there is some
dynamic linkage or something that doesn't know about
HostFiles. My test harness now can write a log file
from within a dll. Whew!

-Doug Danforth


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Received on Sat Sep 26 2009 - 11:33:27 UTC