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<title>skabus - a Unix bus system</title>
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<meta name="Keywords" content="skabus bus unix linux laurent bercot ska skarnet dbus ubus" />
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<p>
<a href="//skarnet.org/software/">Software</a><br />
<a href="//skarnet.org/">skarnet.org</a>
</p>
<h1> skabus </h1>
<h2> What is it ? </h2>
<p>
skabus is a suite of programs and libraries for Unix systems
that aim to implement a bus, i.e. a many-to-many interprocess
communication mechanism.
</p>
<p>
It is very much a work in progress, and won't be complete for a long time.
For now, it looks like a random collection of tools, even though there is
a consistent vision behind them.
</p>
<hr />
<!--
<ul>
<li> <a href="why.html">Why skabus ?</a> Why not just use D-Bus ?</li>
<li> <a href="overview.html">An overview of skabus</a> </li>
</ul>
<hr />
-->
<h2> Installation </h2>
<h3> Requirements </h3>
<ul>
<li> A POSIX-compliant system with a standard C development environment </li>
<li> GNU make, version 3.81 or later </li>
<li> <a href="//skarnet.org/software/skalibs/">skalibs</a> version
2.13.0.0 or later </li>
<li> <a href="//skarnet.org/software/execline/">execline</a> version
2.9.1.0 or later </li>
<li> <a href="//skarnet.org/software/s6/">s6</a> version
2.11.2.0 or later </li>
</ul>
<h3> Licensing </h3>
<p>
skabus is free software. It is available under the
<a href="http://opensource.org/licenses/ISC">ISC license</a>.
</p>
<h3> Download </h3>
<ul>
<!-- <li> The current released version of skabus is <a href="skabus-0.0.1.0.tar.gz">0.0.1.0</a>. -->
<li> There is no official numbered release version of skabus at the moment. </li>
<li> But you can checkout a copy of the skabus git repository:
<pre> git clone git://git.skarnet.org/skabus </pre> </li>
</ul>
<h3> Compilation </h3>
<ul>
<li> See the enclosed INSTALL file for installation details. </li>
</ul>
<h3> Upgrade notes </h3>
<ul>
<li> <a href="upgrade.html">This page</a> lists the differences to be aware of between
the previous versions of skabus and the current one. </li>
</ul>
<hr />
<h2> Reference </h2>
<h3> Commands </h3>
<p>
All these commands exit 111 if they encounter a temporary error or
hardware error, and
100 if they encounter a permanent error - such as a misuse. Short-lived
commands exit 0 on success. Other exit codes are documented in the
relevant page.
</p>
<h4> Publication/subscription </h4>
<ul>
<li> The <a href="skabus-dyntee.html">skabus-dyntee</a> program </li>
<li> The <a href="skabus-dynteed.html">skabus-dynteed</a> program </li>
<li> The <a href="skabus-dyntee-client.html">skabus-dyntee-client</a> program </li>
</ul>
<h4> Remote procedure calls </h4>
<ul>
<li> The <a href="skabus-rpc-daemon.html">skabus-rpc-daemon</a> program </li>
<li> The <a href="skabus-rpcd.html">skabus-rpcd</a> program </li>
</ul>
<h3> Libraries </h3>
<ul>
<li> The <a href="libskabus/">skabus</a> library interface </li>
</ul>
<hr />
<a name="related">
<h2> Related resources </h2>
</a>
<h3> skabus discussion </h3>
<ul>
<li> <tt>skabus</tt> is discussed on the
<a href="//skarnet.org/lists/#skaware">skaware</a> mailing-list. </li>
</ul>
<h3> Similar work </h3>
<ul>
<li> <a href="http://www.freedesktop.org/wiki/Software/dbus/">D-Bus</a> is
the most widely used Linux bus. It's also a horrible, inefficient mess. </li>
<li> <a href="https://openwrt.org/docs/techref/ubus">ubus</a> is
OpenWrt's micro-bus architecture. </li>
</ul>
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