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<h3><aname="LIBVIR_VERSION_NUMBER"id="LIBVIR_VERSION_NUMBER"></a>Macro: LIBVIR_VERSION_NUMBER</h3><pre>#define LIBVIR_VERSION_NUMBER</pre><p>Macro providing the version of the library as version * 1,000,000 + minor * 1000 + micro</p>
</pre><p>This function closes the connection to the Hypervisor. This should not be called if further interaction with the Hypervisor are needed especially if there is running domain which need further monitoring by the application.</p>
<divclass="variablelist"><tableborder="0"><colalign="left"/><tbody><tr><td><spanclass="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><spanclass="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success or -1 in case of error.</td></tr></tbody></table></div><h3><aname="virConnectGetType"id="virConnectGetType"></a>Function: virConnectGetType</h3><preclass="programlisting">const char * virConnectGetType (<ahref="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn)<br/>
</pre><p>Get the name of the Hypervisor software used.</p>
...
...
@@ -147,4 +161,6 @@ The content of this structure is not made public by the API.
</pre><p>Provides two information back, @libVer is the version of the library while @typeVer will be the version of the hypervisor type @type against which the library was compiled. If @type is NULL, "Xen" is assumed, if @type is unknown or not availble, an error code will be returned and @typeVer will be 0.</p>
<divclass="variablelist"><tableborder="0"><colalign="left"/><tbody><tr><td><spanclass="term"><i><tt>libVer</tt></i>:</span></td><td>return value for the library version (OUT)</td></tr><tr><td><spanclass="term"><i><tt>type</tt></i>:</span></td><td>hypervisor type</td></tr><tr><td><spanclass="term"><i><tt>typeVer</tt></i>:</span></td><td>return value for the version of the hypervisor (OUT)</td></tr><tr><td><spanclass="term"><i><tt>Returns</tt></i>:</span></td><td>-1 in case of failure, 0 otherwise, and values for @libVer and @typeVer have the format major * 1,000,000 + minor * 1,000 + release.</td></tr></tbody></table></div><h3><aname="virInitialize"id="virInitialize"></a>Function: virInitialize</h3><preclass="programlisting">int virInitialize (void)<br/>
</pre><p>Initialize the library. It's better to call this routine at startup in multithreaded applications to avoid potential race when initializing the library.</p>
<divclass="variablelist"><tableborder="0"><colalign="left"/><tbody><tr><td><spanclass="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of error</td></tr></tbody></table></div></div></div><divclass="linkList2"><divclass="llinks2"><h3class="links2"><span>main menu</span></h3><ul><li><ahref="../index.html">Home</a></li><li><ahref="../html/index.html">API Menu</a></li><li><ahref="../examples/index.html">C code examples</a></li><li><ahref="../ChangeLog.html">Recent Changes</a></li></ul></div><divclass="llinks2"><h3class="links2"><span>related links</span></h3><ul><li><ahref="https://www.redhat.com/archives/libvir-list/">Mail archive</a></li><li><ahref="https://bugzilla.redhat.com/bugzilla/buglist.cgi?product=Fedora+Core&component=libvirt&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=MODIFIED&short_desc_type=allwordssubstr&short_desc=&long_desc_type=allwordssubstr">Open bugs</a></li><li><ahref="http://www.cl.cam.ac.uk/Research/SRG/netos/xen/index.html">Xen project</a></li><li><formaction="../search.php"enctype="application/x-www-form-urlencoded"method="get"><inputname="query"type="text"size="12"value="Search..."/><inputname="submit"type="submit"value="Go"/></form></li><li><ahref="http://xmlsoft.org/"><imgsrc="../Libxml2-Logo-90x34.gif"alt="Made with Libxml2 Logo"/></a></li></ul><pclass="credits">Graphics and design by <ahref="mail:dfong@redhat.com">Diana Fong</a></p></div></div><divid="bottom"><pclass="p1"></p></div></div></body></html>
<divclass="variablelist"><tableborder="0"><colalign="left"/><tbody><tr><td><spanclass="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of error</td></tr></tbody></table></div><h3><aname="virNodeGetInfo"id="virNodeGetInfo"></a>Function: virNodeGetInfo</h3><preclass="programlisting">int virNodeGetInfo (<ahref="libvirt-libvirt.html#virConnectPtr">virConnectPtr</a> conn, <br/><ahref="libvirt-libvirt.html#virNodeInfoPtr">virNodeInfoPtr</a> info)<br/>
</pre><p>Extract hardware information about the node.</p>
<divclass="variablelist"><tableborder="0"><colalign="left"/><tbody><tr><td><spanclass="term"><i><tt>conn</tt></i>:</span></td><td>pointer to the hypervisor connection</td></tr><tr><td><spanclass="term"><i><tt>info</tt></i>:</span></td><td>pointer to a <ahref="libvirt-libvirt.html#virNodeInfo">virNodeInfo</a> structure allocated by the user</td></tr><tr><td><spanclass="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success and -1 in case of failure.</td></tr></tbody></table></div></div></div><divclass="linkList2"><divclass="llinks2"><h3class="links2"><span>main menu</span></h3><ul><li><ahref="../index.html">Home</a></li><li><ahref="../html/index.html">API Menu</a></li><li><ahref="../examples/index.html">C code examples</a></li><li><ahref="../ChangeLog.html">Recent Changes</a></li></ul></div><divclass="llinks2"><h3class="links2"><span>related links</span></h3><ul><li><ahref="https://www.redhat.com/archives/libvir-list/">Mail archive</a></li><li><ahref="https://bugzilla.redhat.com/bugzilla/buglist.cgi?product=Fedora+Core&component=libvirt&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=MODIFIED&short_desc_type=allwordssubstr&short_desc=&long_desc_type=allwordssubstr">Open bugs</a></li><li><ahref="http://hg.berrange.com/libraries/sys-virt">Perl bindings</a></li><li><ahref="http://www.cl.cam.ac.uk/Research/SRG/netos/xen/index.html">Xen project</a></li><li><formaction="../search.php"enctype="application/x-www-form-urlencoded"method="get"><inputname="query"type="text"size="12"value="Search..."/><inputname="submit"type="submit"value="Go"/></form></li><li><ahref="http://xmlsoft.org/"><imgsrc="../Libxml2-Logo-90x34.gif"alt="Made with Libxml2 Logo"/></a></li></ul><pclass="credits">Graphics and design by <ahref="mail:dfong@redhat.com">Diana Fong</a></p></div></div><divid="bottom"><pclass="p1"></p></div></div></body></html>
</pre><p>Set a library global error handling function, if @handler is NULL, it will reset to default printing on stderr. The error raised there are those for which no handler at the connection level could caught.</p>
<divclass="variablelist"><tableborder="0"><colalign="left"/><tbody><tr><td><spanclass="term"><i><tt>userData</tt></i>:</span></td><td>pointer to the user data provided in the handler callback</td></tr><tr><td><spanclass="term"><i><tt>handler</tt></i>:</span></td><td>the function to get called in case of error or NULL</td></tr></tbody></table></div></div></div><divclass="linkList2"><divclass="llinks2"><h3class="links2"><span>main menu</span></h3><ul><li><ahref="../index.html">Home</a></li><li><ahref="../html/index.html">API Menu</a></li><li><ahref="../examples/index.html">C code examples</a></li><li><ahref="../ChangeLog.html">Recent Changes</a></li></ul></div><divclass="llinks2"><h3class="links2"><span>related links</span></h3><ul><li><ahref="https://www.redhat.com/archives/libvir-list/">Mail archive</a></li><li><ahref="https://bugzilla.redhat.com/bugzilla/buglist.cgi?product=Fedora+Core&component=libvirt&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=MODIFIED&short_desc_type=allwordssubstr&short_desc=&long_desc_type=allwordssubstr">Open bugs</a></li><li><ahref="http://www.cl.cam.ac.uk/Research/SRG/netos/xen/index.html">Xen project</a></li><li><formaction="../search.php"enctype="application/x-www-form-urlencoded"method="get"><inputname="query"type="text"size="12"value="Search..."/><inputname="submit"type="submit"value="Go"/></form></li><li><ahref="http://xmlsoft.org/"><imgsrc="../Libxml2-Logo-90x34.gif"alt="Made with Libxml2 Logo"/></a></li></ul><pclass="credits">Graphics and design by <ahref="mail:dfong@redhat.com">Diana Fong</a></p></div></div><divid="bottom"><pclass="p1"></p></div></div></body></html>
<divclass="variablelist"><tableborder="0"><colalign="left"/><tbody><tr><td><spanclass="term"><i><tt>userData</tt></i>:</span></td><td>pointer to the user data provided in the handler callback</td></tr><tr><td><spanclass="term"><i><tt>handler</tt></i>:</span></td><td>the function to get called in case of error or NULL</td></tr></tbody></table></div></div></div><divclass="linkList2"><divclass="llinks2"><h3class="links2"><span>main menu</span></h3><ul><li><ahref="../index.html">Home</a></li><li><ahref="../html/index.html">API Menu</a></li><li><ahref="../examples/index.html">C code examples</a></li><li><ahref="../ChangeLog.html">Recent Changes</a></li></ul></div><divclass="llinks2"><h3class="links2"><span>related links</span></h3><ul><li><ahref="https://www.redhat.com/archives/libvir-list/">Mail archive</a></li><li><ahref="https://bugzilla.redhat.com/bugzilla/buglist.cgi?product=Fedora+Core&component=libvirt&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=MODIFIED&short_desc_type=allwordssubstr&short_desc=&long_desc_type=allwordssubstr">Open bugs</a></li><li><ahref="http://hg.berrange.com/libraries/sys-virt">Perl bindings</a></li><li><ahref="http://www.cl.cam.ac.uk/Research/SRG/netos/xen/index.html">Xen project</a></li><li><formaction="../search.php"enctype="application/x-www-form-urlencoded"method="get"><inputname="query"type="text"size="12"value="Search..."/><inputname="submit"type="submit"value="Go"/></form></li><li><ahref="http://xmlsoft.org/"><imgsrc="../Libxml2-Logo-90x34.gif"alt="Made with Libxml2 Logo"/></a></li></ul><pclass="credits">Graphics and design by <ahref="mail:dfong@redhat.com">Diana Fong</a></p></div></div><divid="bottom"><pclass="p1"></p></div></div></body></html>
<info>Copy the content of the last error caught on that connection One will need to free the result with virResetError()</info>
<returntype='int'info='0 if no error was found and the error code otherwise and -1 in case of parameter error.'/>
...
...
@@ -432,6 +445,12 @@
<info>Initialize the library. It's better to call this routine at startup in multithreaded applications to avoid potential race when initializing the library.</info>
<returntype='int'info='0 in case of success, -1 in case of error'/>