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<h2 class="title" style="clear: both"><a id="build_vxworks_notes"></a>VxWorks notes</h2>
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<dl>
<dt>
<span class="sect2">
<a href="build_vxworks_notes.html#idp934576">Building and Running the Demo Program</a>
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<dt>
<span class="sect2">
<a href="build_vxworks_notes.html#idp896400">Building and Running the Utility Programs</a>
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<span class="sect2">
<a href="build_vxworks_notes.html#idp923512">Support for Replication Manager</a>
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<p>
Berkeley DB currently disallows the <a href="../api_reference/C/dbopen.html#open_DB_TRUNCATE" class="olink">DB_TRUNCATE</a> flag to
the <a href="../api_reference/C/dbopen.html" class="olink">DB->open()</a> method on VxWorks because the operations this
flag represents are not fully supported under VxWorks.
</p>
<p>
The <a href="../api_reference/C/dbsync.html" class="olink">DB->sync()</a> method is implemented using an ioctl call into
the file system driver with the FIOSYNC command. Most, but not
all file system drivers support this call. Berkeley DB
requires the use of a file system that supports
FIOSYNC.
</p>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="idp934576"></a>Building and Running the Demo Program</h3>
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<p>
The demo program should be built in a manner very
similar to building Berkeley DB. If you want different or
additional BSP build specifications you should add them by
following the directions indicated in <a class="xref" href="build_vxworks.html#build_vxworks_intro6x" title="Building for VxWorks 6.x">Building for VxWorks 6.x</a>.
</p>
<p>
The demo program can be downloaded and run by calling
the entry function <span class="bold"><strong>dbdemo</strong></span>
with the pathname of a database to use. The demo program
will ask for some input keys. It creates a database and
adds those keys into the database, using the reverse of
the key as the data value. When complete you can either
enter EOF (control-D) or <span class="bold"><strong>quit</strong></span>
and the demo program will display all
of the key/data items in the database.
</p>
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<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
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<h3 class="title"><a id="idp896400"></a>Building and Running the Utility Programs</h3>
</div>
</div>
</div>
<p>
The Berkeley DB utilities can be downloaded and run by
calling the function equivalent to the utility's name. The
utility functions take a string containing all the
supported arguments. The program will then decompose that
string into a traditional argc/argv used internally. For
example, to execute <a href="../api_reference/C/db_stat.html" class="olink">db_stat</a> utility on a database within an
environment you would execute the following from the
windsh prompt. Obviously you would change the pathname and
database name to reflect your system.
</p>
<pre class="programlisting">> db_stat "-h /tmp/myenvhome -d mydatabase.db"</pre>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="idp923512"></a>Support for Replication Manager</h3>
</div>
</div>
</div>
<p>
The Berkeley DB Replication Manager component is
available on Vxworks 6.x because it provides support for
TCP/IP sockets and POSIX 1003.1 style networking and
threads. You must build Berkley DB for Vxworks using the
command line. Prior to building Berkeley DB, ensure you
set appropriate values for the variables specified in Step
1 of <a class="xref" href="build_vxworks.html#build_vxworks_intro6x" title="Building for VxWorks 6.x">Building for VxWorks 6.x</a>. To use
Berkeley DB Replication Manager, <code class="literal">netLib</code>
and <code class="literal">ioLib</code> must be present in the
Vxworks image.
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