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<section id="family-binder-netlink-specification">
<span id="netlink-binder"></span><h1><a class="toc-backref" href="#id2" role="doc-backlink">Family <code class="docutils literal notranslate"><span class="pre">binder</span></code> netlink specification</a><a class="headerlink" href="#family-binder-netlink-specification" title="Link to this heading">¶</a></h1>
<nav class="contents" id="contents">
<p class="topic-title">Contents</p>
<ul class="simple">
<li><p><a class="reference internal" href="#family-binder-netlink-specification" id="id2">Family <code class="docutils literal notranslate"><span class="pre">binder</span></code> netlink specification</a></p>
<ul>
<li><p><a class="reference internal" href="#summary" id="id3">Summary</a></p></li>
<li><p><a class="reference internal" href="#operations" id="id4">Operations</a></p>
<ul>
<li><p><a class="reference internal" href="#report" id="id5">report</a></p></li>
</ul>
</li>
<li><p><a class="reference internal" href="#multicast-groups" id="id6">Multicast groups</a></p></li>
<li><p><a class="reference internal" href="#attribute-sets" id="id7">Attribute sets</a></p>
<ul>
<li><p><a class="reference internal" href="#binder-attribute-set-report" id="id8">report</a></p></li>
</ul>
</li>
</ul>
</li>
</ul>
</nav>
<section id="summary">
<h2><a class="toc-backref" href="#id3" role="doc-backlink">Summary</a><a class="headerlink" href="#summary" title="Link to this heading">¶</a></h2>
<p>Binder interface over generic netlink</p>
</section>
<section id="operations">
<h2><a class="toc-backref" href="#id4" role="doc-backlink">Operations</a><a class="headerlink" href="#operations" title="Link to this heading">¶</a></h2>
<section id="report">
<span id="binder-operation-report"></span><h3><a class="toc-backref" href="#id5" role="doc-backlink">report</a><a class="headerlink" href="#report" title="Link to this heading">¶</a></h3>
<p>A multicast event sent to userspace subscribers to notify them about
binder transaction failures. The generated report provides the full
details of the specific transaction that failed. The intention is for
programs to monitor these events and react to the failures as needed.</p>
<dl class="field-list simple">
<dt class="field-odd">attribute-set<span class="colon">:</span></dt>
<dd class="field-odd"><p><a class="reference internal" href="#binder-attribute-set-report"><span class="std std-ref">report</span></a></p>
</dd>
<dt class="field-even">mcgrp<span class="colon">:</span></dt>
<dd class="field-even"><p>report</p>
</dd>
<dt class="field-odd">event<span class="colon">:</span></dt>
<dd class="field-odd"><p>{‘attributes’: [‘error’, ‘context’, ‘from-pid’, ‘from-tid’, ‘to-pid’, ‘to-tid’, ‘is-reply’, ‘flags’, ‘code’, ‘data-size’], ‘__lineno__’: 77}</p>
</dd>
</dl>
</section>
</section>
<section id="multicast-groups">
<h2><a class="toc-backref" href="#id6" role="doc-backlink">Multicast groups</a><a class="headerlink" href="#multicast-groups" title="Link to this heading">¶</a></h2>
<ul class="simple">
<li><p>report</p></li>
</ul>
</section>
<section id="attribute-sets">
<h2><a class="toc-backref" href="#id7" role="doc-backlink">Attribute sets</a><a class="headerlink" href="#attribute-sets" title="Link to this heading">¶</a></h2>
<section id="binder-attribute-set-report">
<span id="id1"></span><h3><a class="toc-backref" href="#id8" role="doc-backlink">report</a><a class="headerlink" href="#binder-attribute-set-report" title="Link to this heading">¶</a></h3>
<p>Attributes included within a transaction failure report. The elements
correspond directly with the specific transaction that failed, along
with the error returned to the sender e.g. BR_DEAD_REPLY.</p>
<section id="error-u32">
<h4>error (<code class="docutils literal notranslate"><span class="pre">u32</span></code>)<a class="headerlink" href="#error-u32" title="Link to this heading">¶</a></h4>
<dl class="field-list simple">
<dt class="field-odd">doc<span class="colon">:</span></dt>
<dd class="field-odd"><p>The <code class="xref c c-enum broken_xref docutils literal notranslate"><span class="pre">enum</span> <span class="pre">binder_driver_return_protocol</span></code> returned to the sender.</p>
</dd>
</dl>
</section>
<section id="context-string">
<h4>context (<code class="docutils literal notranslate"><span class="pre">string</span></code>)<a class="headerlink" href="#context-string" title="Link to this heading">¶</a></h4>
<dl class="field-list simple">
<dt class="field-odd">doc<span class="colon">:</span></dt>
<dd class="field-odd"><p>The binder context where the transaction occurred.</p>
</dd>
</dl>
</section>
<section id="from-pid-u32">
<h4>from-pid (<code class="docutils literal notranslate"><span class="pre">u32</span></code>)<a class="headerlink" href="#from-pid-u32" title="Link to this heading">¶</a></h4>
<dl class="field-list simple">
<dt class="field-odd">doc<span class="colon">:</span></dt>
<dd class="field-odd"><p>The PID of the sender process.</p>
</dd>
</dl>
</section>
<section id="from-tid-u32">
<h4>from-tid (<code class="docutils literal notranslate"><span class="pre">u32</span></code>)<a class="headerlink" href="#from-tid-u32" title="Link to this heading">¶</a></h4>
<dl class="field-list simple">
<dt class="field-odd">doc<span class="colon">:</span></dt>
<dd class="field-odd"><p>The TID of the sender thread.</p>
</dd>
</dl>
</section>
<section id="to-pid-u32">
<h4>to-pid (<code class="docutils literal notranslate"><span class="pre">u32</span></code>)<a class="headerlink" href="#to-pid-u32" title="Link to this heading">¶</a></h4>
<dl class="field-list simple">
<dt class="field-odd">doc<span class="colon">:</span></dt>
<dd class="field-odd"><p>The PID of the recipient process. This attribute may not be present if the target could not be determined.</p>
</dd>
</dl>
</section>
<section id="to-tid-u32">
<h4>to-tid (<code class="docutils literal notranslate"><span class="pre">u32</span></code>)<a class="headerlink" href="#to-tid-u32" title="Link to this heading">¶</a></h4>
<dl class="field-list simple">
<dt class="field-odd">doc<span class="colon">:</span></dt>
<dd class="field-odd"><p>The TID of the recipient thread. This attribute may not be present if the target could not be determined.</p>
</dd>
</dl>
</section>
<section id="is-reply-flag">
<h4>is-reply (<code class="docutils literal notranslate"><span class="pre">flag</span></code>)<a class="headerlink" href="#is-reply-flag" title="Link to this heading">¶</a></h4>
<dl class="field-list simple">
<dt class="field-odd">doc<span class="colon">:</span></dt>
<dd class="field-odd"><p>When present, indicates the failed transaction is a reply.</p>
</dd>
</dl>
</section>
<section id="flags-u32">
<h4>flags (<code class="docutils literal notranslate"><span class="pre">u32</span></code>)<a class="headerlink" href="#flags-u32" title="Link to this heading">¶</a></h4>
<dl class="field-list simple">
<dt class="field-odd">doc<span class="colon">:</span></dt>
<dd class="field-odd"><p>The bitmask of <code class="xref c c-enum broken_xref docutils literal notranslate"><span class="pre">enum</span> <span class="pre">transaction_flags</span></code> from the transaction.</p>
</dd>
</dl>
</section>
<section id="code-u32">
<h4>code (<code class="docutils literal notranslate"><span class="pre">u32</span></code>)<a class="headerlink" href="#code-u32" title="Link to this heading">¶</a></h4>
<dl class="field-list simple">
<dt class="field-odd">doc<span class="colon">:</span></dt>
<dd class="field-odd"><p>The application-defined code from the transaction.</p>
</dd>
</dl>
</section>
<section id="data-size-u32">
<h4>data-size (<code class="docutils literal notranslate"><span class="pre">u32</span></code>)<a class="headerlink" href="#data-size-u32" title="Link to this heading">¶</a></h4>
<dl class="field-list simple">
<dt class="field-odd">doc<span class="colon">:</span></dt>
<dd class="field-odd"><p>The transaction payload size in bytes.</p>
</dd>
</dl>
</section>
</section>
</section>
</section>
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