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<p><a class="el" href="classL4_1_1Exception.html" title="Exception interface.">Exception</a> interface.
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<a href="#details">More...</a></p>
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<p><code>#include <<a class="el" href="exception_source.html">exception</a>></code></p>
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<div id="dynsection-0" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Collaboration diagram for L4::Exception:</div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-pub-methods" class="groupheader"><a id="pub-methods" name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:ab175c446527920e3a73214758b26c292" id="r_ab175c446527920e3a73214758b26c292"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ab175c446527920e3a73214758b26c292">exception</a> (<a class="el" href="structL4_1_1Ipc_1_1In__out.html">L4::Ipc::In_out</a>< <a class="el" href="structl4__exc__regs__t.html">l4_exc_regs_t</a> * > regs, <a class="el" href="classL4_1_1Ipc_1_1Rcv__fpage.html">L4::Ipc::Rcv_fpage</a> rwin, <a class="el" href="structL4_1_1Ipc_1_1Opt.html">L4::Ipc::Opt</a>< <a class="el" href="classL4_1_1Ipc_1_1Snd__fpage.html">L4::Ipc::Snd_fpage</a> & > fp)</td></tr>
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<tr class="memdesc:ab175c446527920e3a73214758b26c292"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classL4_1_1Exception.html" title="Exception interface.">Exception</a> call. <br /></td></tr>
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<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
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<div class="textblock"><p><a class="el" href="classL4_1_1Exception.html" title="Exception interface.">Exception</a> interface. </p>
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<p>This class defines the interface for handling exception IPC. When an exception occurs during program execution, for example due to a division by zero, the kernel will synthesise an exception IPC and send it to the thread's exception handler, who can then handle it.</p>
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<p>The exception handler is set with the <a class="el" href="classL4_1_1Thread.html#a4252cd0ad4bdfa00cdc61b5fd2317aef" title="Commit the given thread-attributes object.">L4::Thread::control</a> interface. </p>
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<p class="definition">Definition at line <a class="el" href="exception_source.html#l00031">31</a> of file <a class="el" href="exception_source.html">exception</a>.</p>
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</div><a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Member Function Documentation</h2>
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<a id="ab175c446527920e3a73214758b26c292" name="ab175c446527920e3a73214758b26c292"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ab175c446527920e3a73214758b26c292">◆ </a></span>exception()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a> L4::Exception::exception </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structL4_1_1Ipc_1_1In__out.html">L4::Ipc::In_out</a>< <a class="el" href="structl4__exc__regs__t.html">l4_exc_regs_t</a> * ></td> <td class="paramname"><span class="paramname"><em>regs</em></span>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="classL4_1_1Ipc_1_1Rcv__fpage.html">L4::Ipc::Rcv_fpage</a></td> <td class="paramname"><span class="paramname"><em>rwin</em></span>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="structL4_1_1Ipc_1_1Opt.html">L4::Ipc::Opt</a>< <a class="el" href="classL4_1_1Ipc_1_1Snd__fpage.html">L4::Ipc::Snd_fpage</a> & ></td> <td class="paramname"><span class="paramname"><em>fp</em></span> )</td>
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<p><a class="el" href="classL4_1_1Exception.html" title="Exception interface.">Exception</a> call. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir"></td><td class="paramname">regs</td><td>Register state of the faulting thread. </td></tr>
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<tr><td class="paramdir"></td><td class="paramname">rwin</td><td>Receive window in the address space. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">fp</td><td>Optional flexpage to resolve the exception.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Message tag containing error code. </dd></dl>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li>l4/sys/<a class="el" href="exception_source.html">exception</a></li>
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<li class="navelem"><a href="namespaceL4.html">L4</a></li><li class="navelem"><a href="classL4_1_1Exception.html">Exception</a></li>
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