322 lines
24 KiB
HTML
322 lines
24 KiB
HTML
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<div class="headertitle"><div class="title">L4::Meta Class Reference</div></div>
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<p><a class="el" href="classL4_1_1Meta.html" title="Meta interface that shall be implemented by each L4Re object and gives access to the dynamic type inf...">Meta</a> interface that shall be implemented by each <a class="el" href="namespaceL4Re.html" title="L4Re C++ Interfaces.">L4Re</a> object and gives access to the dynamic type information for <a class="el" href="namespaceL4Re.html" title="L4Re C++ Interfaces.">L4Re</a> objects.
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<a href="#details">More...</a></p>
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<p><code>#include <<a class="el" href="sys_2meta_source.html">meta</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>Inheritance diagram for L4::Meta:</div>
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</div>
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<div class="center"><iframe scrolling="no" loading="lazy" frameborder="0" src="classL4_1_1Meta__inherit__graph.svg" width="342" height="456"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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</div>
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<div id="dynsection-1" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Collaboration diagram for L4::Meta:</div>
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</div>
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<div id="dynsection-1-content" class="dyncontent" style="display:none;">
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</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:a7fbf1e015112d926f840fe17692b2fd0" id="r_a7fbf1e015112d926f840fe17692b2fd0"><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="#a7fbf1e015112d926f840fe17692b2fd0">num_interfaces</a> ()</td></tr>
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<tr class="memdesc:a7fbf1e015112d926f840fe17692b2fd0"><td class="mdescLeft"> </td><td class="mdescRight">Get the number of interfaces implemented by this object. <br /></td></tr>
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<tr class="memitem:a91fb64b3622219c23a98f4e6b9b13c25" id="r_a91fb64b3622219c23a98f4e6b9b13c25"><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="#a91fb64b3622219c23a98f4e6b9b13c25">interface</a> (<a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> idx, long *proto, L4::Ipc::String< char > *name)</td></tr>
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<tr class="memdesc:a91fb64b3622219c23a98f4e6b9b13c25"><td class="mdescLeft"> </td><td class="mdescRight">Get the protocol number that must be used for the interface with the number <span class="tt">idx</span>. <br /></td></tr>
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<tr class="memitem:addf2185549b0b361b8990011f35d1247" id="r_addf2185549b0b361b8990011f35d1247"><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="#addf2185549b0b361b8990011f35d1247">supports</a> (<a class="el" href="group__l4__basic__types.html#ga51d9492e7700d70ed35838154ca9b279">l4_mword_t</a> protocol)</td></tr>
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<tr class="memdesc:addf2185549b0b361b8990011f35d1247"><td class="mdescLeft"> </td><td class="mdescRight">Figure out if the object supports the given protocol (number). <br /></td></tr>
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<tr class="inherit_header pub_methods_classL4_1_1Kobject"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pub_methods_classL4_1_1Kobject')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Public Member Functions inherited from <a class="el" href="classL4_1_1Kobject.html">L4::Kobject</a></td></tr>
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<tr class="memitem:a9fe009599de49f1af438ff49998faec0 inherit pub_methods_classL4_1_1Kobject" id="r_a9fe009599de49f1af438ff49998faec0"><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="classL4_1_1Kobject.html#a9fe009599de49f1af438ff49998faec0">dec_refcnt</a> (<a class="el" href="group__l4__basic__types.html#ga51d9492e7700d70ed35838154ca9b279">l4_mword_t</a> diff, <a class="el" href="group__l4__utcb__api.html#ga89be8a86d11c1d532b636cc2df1330fb">l4_utcb_t</a> *utcb=<a class="el" href="group__l4__utcb__api.html#gadc099b4a59e1d99638c72c11a8c8b644">l4_utcb</a>())</td></tr>
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<tr class="memdesc:a9fe009599de49f1af438ff49998faec0 inherit pub_methods_classL4_1_1Kobject"><td class="mdescLeft"> </td><td class="mdescRight">Decrement the in kernel reference counter for the object. <br /></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-inherited" class="groupheader"><a id="inherited" name="inherited"></a>
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Additional Inherited Members</h2></td></tr>
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<tr class="inherit_header pro_types_classL4_1_1Kobject__t"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_types_classL4_1_1Kobject__t')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Protected Types inherited from <a class="el" href="classL4_1_1Kobject__t.html">L4::Kobject_t< Meta, Kobject, L4_PROTO_META ></a></td></tr>
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<tr class="memitem:af7df35ba5bf68ef5993e605a6b62328a inherit pro_types_classL4_1_1Kobject__t" id="r_af7df35ba5bf68ef5993e605a6b62328a"><td class="memItemLeft" align="right" valign="top">
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typedef <a class="el" href="classL4_1_1Meta.html">Meta</a> </td><td class="memItemRight" valign="bottom"><b>Class</b></td></tr>
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<tr class="memdesc:af7df35ba5bf68ef5993e605a6b62328a inherit pro_types_classL4_1_1Kobject__t"><td class="mdescLeft"> </td><td class="mdescRight">The target interface type (inheriting from <a class="el" href="classL4_1_1Kobject__t.html" title="Helper class to create an L4Re interface class that is derived from a single base class.">Kobject_t</a>). <br /></td></tr>
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<tr class="memitem:a0d83157994565e9c01f10006bdda2efa inherit pro_types_classL4_1_1Kobject__t" id="r_a0d83157994565e9c01f10006bdda2efa"><td class="memItemLeft" align="right" valign="top">
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typedef Typeid::Iface< PROTO, <a class="el" href="classL4_1_1Meta.html">Meta</a> > </td><td class="memItemRight" valign="bottom"><b>__Iface</b></td></tr>
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<tr class="memdesc:a0d83157994565e9c01f10006bdda2efa inherit pro_types_classL4_1_1Kobject__t"><td class="mdescLeft"> </td><td class="mdescRight">The interface description for the derived class. <br /></td></tr>
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<tr class="memitem:afc2feec2f4a15e85286aabfa15c53e06 inherit pro_types_classL4_1_1Kobject__t" id="r_afc2feec2f4a15e85286aabfa15c53e06"><td class="memItemLeft" align="right" valign="top">
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typedef Typeid::Merge_list< Typeid::Iface_list< <a class="el" href="classL4_1_1Kobject__t.html#a0d83157994565e9c01f10006bdda2efa">__Iface</a> >, typename Kobject::__Iface_list > </td><td class="memItemRight" valign="bottom"><b>__Iface_list</b></td></tr>
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<tr class="memdesc:afc2feec2f4a15e85286aabfa15c53e06 inherit pro_types_classL4_1_1Kobject__t"><td class="mdescLeft"> </td><td class="mdescRight">The list of all RPC interfaces provided directly or through inheritance. <br /></td></tr>
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<tr class="inherit_header pro_methods_classL4_1_1Kobject__t"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_methods_classL4_1_1Kobject__t')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Protected Member Functions inherited from <a class="el" href="classL4_1_1Kobject__t.html">L4::Kobject_t< Meta, Kobject, L4_PROTO_META ></a></td></tr>
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<tr class="memitem:a3d80fec7e057d575ec4b393437f05f8a inherit pro_methods_classL4_1_1Kobject__t" id="r_a3d80fec7e057d575ec4b393437f05f8a"><td class="memItemLeft" align="right" valign="top">
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<a class="el" href="classL4_1_1Cap.html">L4::Cap</a>< <a class="el" href="classL4_1_1Kobject__t.html#af7df35ba5bf68ef5993e605a6b62328a">Class</a> > </td><td class="memItemRight" valign="bottom"><b>c</b> () const noexcept</td></tr>
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<tr class="memdesc:a3d80fec7e057d575ec4b393437f05f8a inherit pro_methods_classL4_1_1Kobject__t"><td class="mdescLeft"> </td><td class="mdescRight">Get the capability to ourselves. <br /></td></tr>
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<tr class="inherit_header pro_methods_classL4_1_1Kobject"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_methods_classL4_1_1Kobject')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Protected Member Functions inherited from <a class="el" href="classL4_1_1Kobject.html">L4::Kobject</a></td></tr>
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<tr class="memitem:a4f2117ae76762f4084e6a1adb915863c inherit pro_methods_classL4_1_1Kobject" id="r_a4f2117ae76762f4084e6a1adb915863c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classL4_1_1Kobject.html#a4f2117ae76762f4084e6a1adb915863c">cap</a> () const noexcept</td></tr>
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<tr class="memdesc:a4f2117ae76762f4084e6a1adb915863c inherit pro_methods_classL4_1_1Kobject"><td class="mdescLeft"> </td><td class="mdescRight">Return capability selector. <br /></td></tr>
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<tr class="inherit_header pro_static_methods_classL4_1_1Kobject__t"><td colspan="2" onclick="javascript:dynsection.toggleInherit('pro_static_methods_classL4_1_1Kobject__t')"><span class="dynarrow"><span class="arrowhead closed"></span></span>Static Protected Member Functions inherited from <a class="el" href="classL4_1_1Kobject__t.html">L4::Kobject_t< Meta, Kobject, L4_PROTO_META ></a></td></tr>
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<tr class="memitem:a7433b8eed587278821dd496864f75363 inherit pro_static_methods_classL4_1_1Kobject__t" id="r_a7433b8eed587278821dd496864f75363"><td class="memItemLeft" align="right" valign="top">
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static void </td><td class="memItemRight" valign="bottom"><b>__check_protocols__</b> () noexcept</td></tr>
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<tr class="memdesc:a7433b8eed587278821dd496864f75363 inherit pro_static_methods_classL4_1_1Kobject__t"><td class="mdescLeft"> </td><td class="mdescRight">Helper to check for protocol conflicts. <br /></td></tr>
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</table>
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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_1Meta.html" title="Meta interface that shall be implemented by each L4Re object and gives access to the dynamic type inf...">Meta</a> interface that shall be implemented by each <a class="el" href="namespaceL4Re.html" title="L4Re C++ Interfaces.">L4Re</a> object and gives access to the dynamic type information for <a class="el" href="namespaceL4Re.html" title="L4Re C++ Interfaces.">L4Re</a> objects. </p>
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<p class="definition">Definition at line <a class="el" href="sys_2meta_source.html#l00026">26</a> of file <a class="el" href="sys_2meta_source.html">meta</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="a91fb64b3622219c23a98f4e6b9b13c25" name="a91fb64b3622219c23a98f4e6b9b13c25"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a91fb64b3622219c23a98f4e6b9b13c25">◆ </a></span>interface()</h2>
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a> L4::Meta::interface </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a></td> <td class="paramname"><span class="paramname"><em>idx</em></span>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">long *</td> <td class="paramname"><span class="paramname"><em>proto</em></span>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">L4::Ipc::String< char > *</td> <td class="paramname"><span class="paramname"><em>name</em></span> )</td>
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<p>Get the protocol number that must be used for the interface with the number <span class="tt">idx</span>. </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">idx</td><td>The index of the interface to get the protocol number for. <span class="tt">idx</span> must be >= 0 and < the return value of <a class="el" href="#a7fbf1e015112d926f840fe17692b2fd0" title="Get the number of interfaces implemented by this object.">num_interfaces()</a>. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">proto</td><td>The protocol number for interface <span class="tt">idx</span>. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">name</td><td>The protocol name for interface <span class="tt">idx</span>.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
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<tr><td class="paramname">l4_msgtag_t::label() == 0</td><td>Successful; see `proto` and `name`. </td></tr>
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<tr><td class="paramname">l4_msgtag_t::label() < 0</td><td>Error code. </td></tr>
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</table>
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</dd>
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</dl>
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<p class="reference">Referenced by <a class="el" href="#a7fbf1e015112d926f840fe17692b2fd0">num_interfaces()</a>.</p>
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<div id="dynsection-2" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Here is the caller graph for this function:</div>
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<div id="dynsection-2-content" class="dyncontent" style="display:none;">
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<div class="center"><iframe scrolling="no" loading="lazy" frameborder="0" src="classL4_1_1Meta_a91fb64b3622219c23a98f4e6b9b13c25_icgraph.svg" width="390" height="60"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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<a id="a7fbf1e015112d926f840fe17692b2fd0" name="a7fbf1e015112d926f840fe17692b2fd0"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a7fbf1e015112d926f840fe17692b2fd0">◆ </a></span>num_interfaces()</h2>
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<td class="memname"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a> L4::Meta::num_interfaces </td>
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<p>Get the number of interfaces implemented by this object. </p>
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<dl class="retval"><dt>Return values</dt><dd>
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<tr><td class="paramname">l4_msgtag_t::label() >= 0</td><td>The number of supported interfaces. </td></tr>
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<tr><td class="paramname">l4_msgtag_t::label() < 0</td><td>Error code of the occurred error. </td></tr>
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<p class="reference">References <a class="el" href="#a91fb64b3622219c23a98f4e6b9b13c25">interface()</a>, and <a class="el" href="#a7fbf1e015112d926f840fe17692b2fd0">num_interfaces()</a>.</p>
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<p class="reference">Referenced by <a class="el" href="#a7fbf1e015112d926f840fe17692b2fd0">num_interfaces()</a>.</p>
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<a id="addf2185549b0b361b8990011f35d1247" name="addf2185549b0b361b8990011f35d1247"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#addf2185549b0b361b8990011f35d1247">◆ </a></span>supports()</h2>
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<td class="memname"><a class="el" href="structl4__msgtag__t.html">l4_msgtag_t</a> L4::Meta::supports </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga51d9492e7700d70ed35838154ca9b279">l4_mword_t</a></td> <td class="paramname"><span class="paramname"><em>protocol</em></span></td><td>)</td>
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<p>Figure out if the object supports the given protocol (number). </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">protocol</td><td>The protocol number to check for.</td></tr>
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<dl class="retval"><dt>Return values</dt><dd>
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<tr><td class="paramname">l4_msgtag_t::label() == 1</td><td>protocol is supported. </td></tr>
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<tr><td class="paramname">l4_msgtag_t::label() == 0</td><td>protocol is not supported.</td></tr>
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<p>This method is intended to be used for statically assigned protocol numbers. </p>
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<p class="reference">References <a class="el" href="#addf2185549b0b361b8990011f35d1247">supports()</a>.</p>
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<p class="reference">Referenced by <a class="el" href="#addf2185549b0b361b8990011f35d1247">supports()</a>.</p>
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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="sys_2meta_source.html">meta</a></li>
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