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<TITLE>sane-devel: Re: Backends using Kernel-Modules</TITLE>
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<META NAME="Author" CONTENT="Petter Reinholdtsen (pere@hungry.com)">
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<META NAME="Subject" CONTENT="Re: Backends using Kernel-Modules">
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<H1>Re: Backends using Kernel-Modules</H1>
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<!-- received="Wed Jun 28 00:53:51 2000" -->
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<!-- sent="Wed, 28 Jun 2000 16:05:12 +0800" -->
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<!-- name="Petter Reinholdtsen" -->
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<!-- email="pere@hungry.com" -->
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<!-- subject="Re: Backends using Kernel-Modules" -->
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<!-- id="200006280805.QAA18138@poseidon.ee.uwa.edu.au" -->
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<!-- inreplyto="Backends using Kernel-Modules" -->
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<STRONG>From:</STRONG> Petter Reinholdtsen (<A HREF="mailto:pere@hungry.com?Subject=Re:%20Backends%20using%20Kernel-Modules&In-Reply-To=<200006280805.QAA18138@poseidon.ee.uwa.edu.au>"><EM>pere@hungry.com</EM></A>)<BR>
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<STRONG>Date:</STRONG> Wed Jun 28 2000 - 01:05:12 PDT
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0200.html">Petter Reinholdtsen: "Test backends with 'scanimage -T'"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0198.html">Benjamin Low: "SANE 1.0.2 linking problems"</A>
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<LI><STRONG>Maybe in reply to:</STRONG> <A HREF="0187.html">Jaeger, Gerhard: "Backends using Kernel-Modules"</A>
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<P>
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Jaeger, Gerhard
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<BR>
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<EM>> This is exactly what Petter suggested. But in the meantime I found
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</EM><BR>
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<EM>> another solution: A parallelport scanner-daemon. This daemon
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</EM><BR>
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<EM>> controls the scanner and communicates via pipes with the backend.
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</EM><BR>
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<EM>> It should run on other UNIX systems as well. ...
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</EM><BR>
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<P>This is already used by some of the backends to support non-blocking
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<BR>
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mode. The backend forks off a IO handler and communicates with this
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<BR>
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using pipes. It should work just fine. :-)
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<BR>
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<P>Search for 'fork' in the source, to find backends using this
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<BR>
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technique.
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<BR>
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<PRE>
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--
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##> Petter Reinholdtsen <## | <A HREF="mailto:pere@td.org.uit.no?Subject=Re:%20Backends%20using%20Kernel-Modules&In-Reply-To=<200006280805.QAA18138@poseidon.ee.uwa.edu.au>">pere@td.org.uit.no</A>
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O- <SCRIPT Language="Javascript">window.close()</SCRIPT>
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<A HREF="http://www.hungry.com/~pere/">http://www.hungry.com/~pere/</A> | Go Mozilla, go! Go!
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<P>--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20Backends%20using%20Kernel-Modules&In-Reply-To=<200006280805.QAA18138@poseidon.ee.uwa.edu.au>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0200.html">Petter Reinholdtsen: "Test backends with 'scanimage -T'"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0198.html">Benjamin Low: "SANE 1.0.2 linking problems"</A>
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<LI><STRONG>Maybe in reply to:</STRONG> <A HREF="0187.html">Jaeger, Gerhard: "Backends using Kernel-Modules"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Wed Jun 28 2000 - 00:54:42 PDT</EM>
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