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<h1>pp::ext::ExtCompletionCallbackWithOutput&lt; T &gt; Class Template Reference</h1>
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<!-- doxytag: class="pp::ext::ExtCompletionCallbackWithOutput" --><!-- doxytag: inherits="CompletionCallbackWithOutputBase&lt; T, internal::ExtCallbackOutputTraits&lt; T &gt; &gt;" --><div class="dynheader">
Inheritance diagram for pp::ext::ExtCompletionCallbackWithOutput&lt; T &gt;:</div>
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<div class="center"><img src="classpp_1_1ext_1_1_ext_completion_callback_with_output__inherit__graph.png" border="0" usemap="#pp_1_1ext_1_1_ext_completion_callback_with_output_3_01_t_01_4_inherit__map" alt="Inheritance graph" /></div>
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<area shape="rect" id="node2" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html" title="pp::internal::CompletionCallbackWithOutputBase\&lt; T, internal::ExtCallbackOutputTraits\&lt; T \&gt; \&gt;" alt="" coords="227,5,845,35"></area><area shape="rect" id="node4" href="classpp_1_1_completion_callback.html" title="This API enables you to implement and receive callbacks when Pepper operations complete asynchronousl..." alt="" coords="7,5,177,35"></area></map>
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<p><a href="classpp_1_1ext_1_1_ext_completion_callback_with_output-members.html">List of all members.</a></p>
<h2>
Public Types</h2><table class="memberdecls">

<tr><td class="memItemLeft" align="right" valign="top">typedef <br class="typebreak" />
::<a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html">pp::internal::CompletionCallbackWithOutputBase</a><br class="typebreak" />
&lt; T, <br class="typebreak" />
internal::ExtCallbackOutputTraits<br class="typebreak" />
&lt; T &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html#a481b5fb925f7e78ebe1d4d45e8c2680e">BaseType</a></td></tr>
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Public Member Functions</h2><table class="memberdecls">
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html#aa87c7b22e765a86493282ae962d70808">ExtCompletionCallbackWithOutput</a> (typename <a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html#a6b6f033dd376edc4507951d82bd1ea18">BaseType::OutputStorageType</a> *<a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html#a23ceea58754e1d1b6570a268f6b669b8">output</a>)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html#abb7a1ffe2592a4fe66941a6c9cb3113d">ExtCompletionCallbackWithOutput</a> (PP_CompletionCallback_Func func, void *user_data, typename <a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html#a6b6f033dd376edc4507951d82bd1ea18">BaseType::OutputStorageType</a> *<a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html#a23ceea58754e1d1b6570a268f6b669b8">output</a>)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html#a8e28a5fbcd848df3e34178ac29d1ae60">ExtCompletionCallbackWithOutput</a> (PP_CompletionCallback_Func func, void *user_data, int32_t <a class="el" href="classpp_1_1_completion_callback.html#a60e466572fe7de362969dd41179c971f">flags</a>, typename <a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html#a6b6f033dd376edc4507951d82bd1ea18">BaseType::OutputStorageType</a> *<a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html#a23ceea58754e1d1b6570a268f6b669b8">output</a>)</td></tr>
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<hr /><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><h3>template&lt;typename T&gt;<br />
class pp::ext::ExtCompletionCallbackWithOutput&lt; T &gt;</h3>
<p><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html" title="ExtCompletionCallbackWithOutput is similar to CompletionCallbackWithOutput, but used by APIs within t...">ExtCompletionCallbackWithOutput</a> is similar to <a class="el" href="classpp_1_1_completion_callback_with_output.html" title="A CompletionCallbackWithOutput defines a completion callback that additionally stores a pointer to so...">CompletionCallbackWithOutput</a>, but used by APIs within the <a class="el" href="namespacepp_1_1ext.html">pp::ext</a> namespace. </p>
<p>Usually it is used with the <a class="el" href="classpp_1_1_completion_callback_factory.html" title="CompletionCallbackFactory&lt;T&gt; may be used to create CompletionCallback objects that are bound to membe...">CompletionCallbackFactory</a>'s NewExtCallbackWithOutput. </p>
</div><hr /><h2>Member Typedef Documentation</h2>
<a class="anchor" id="a481b5fb925f7e78ebe1d4d45e8c2680e"></a><!-- doxytag: member="pp::ext::ExtCompletionCallbackWithOutput::BaseType" ref="a481b5fb925f7e78ebe1d4d45e8c2680e" args="" -->
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template&lt;typename T &gt; </div>
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<td class="memname">typedef ::<a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html">pp::internal::CompletionCallbackWithOutputBase</a>&lt; T, internal::ExtCallbackOutputTraits&lt;T&gt; &gt; <a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html">pp::ext::ExtCompletionCallbackWithOutput</a>&lt; T &gt;::<a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html#a481b5fb925f7e78ebe1d4d45e8c2680e">BaseType</a></td>
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<hr /><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="aa87c7b22e765a86493282ae962d70808"></a><!-- doxytag: member="pp::ext::ExtCompletionCallbackWithOutput::ExtCompletionCallbackWithOutput" ref="aa87c7b22e765a86493282ae962d70808" args="(typename BaseType::OutputStorageType *output)" -->
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template&lt;typename T &gt; </div>
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<td class="memname"><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html">pp::ext::ExtCompletionCallbackWithOutput</a>&lt; T &gt;::<a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html">ExtCompletionCallbackWithOutput</a> </td>
<td>(</td>
<td class="paramtype">typename <a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html#a6b6f033dd376edc4507951d82bd1ea18">BaseType::OutputStorageType</a> *&#160;</td>
<td class="paramname"><em>output</em></td><td>)</td>
<td><code> [inline, explicit]</code></td>
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<p>The default constructor will create a blocking <code><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html" title="ExtCompletionCallbackWithOutput is similar to CompletionCallbackWithOutput, but used by APIs within t...">ExtCompletionCallbackWithOutput</a></code> that references the given output data. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">output</td><td>A pointer to the data associated with the callback. The caller must ensure that this pointer outlives the completion callback. <code>OutputStorageType</code> is either <code>ext::internal::ArrayVarOutputAdapterWithStorage&lt;U&gt;</code> (if the template parameter T is of the form std::vector&lt;U&gt;) or <code>ext::internal::VarOutputAdapterWithStorage&lt;T&gt;</code> (otherwise).</td></tr>
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<p><b>Note:</b> Blocking completion callbacks are only allowed from background threads. </p>
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<a class="anchor" id="abb7a1ffe2592a4fe66941a6c9cb3113d"></a><!-- doxytag: member="pp::ext::ExtCompletionCallbackWithOutput::ExtCompletionCallbackWithOutput" ref="abb7a1ffe2592a4fe66941a6c9cb3113d" args="(PP_CompletionCallback_Func func, void *user_data, typename BaseType::OutputStorageType *output)" -->
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<td class="memname"><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html">pp::ext::ExtCompletionCallbackWithOutput</a>&lt; T &gt;::<a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html">ExtCompletionCallbackWithOutput</a> </td>
<td>(</td>
<td class="paramtype">PP_CompletionCallback_Func&#160;</td>
<td class="paramname"><em>func</em>, </td>
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<td class="paramtype">void *&#160;</td>
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<td class="paramtype">typename <a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html#a6b6f033dd376edc4507951d82bd1ea18">BaseType::OutputStorageType</a> *&#160;</td>
<td class="paramname"><em>output</em>&#160;</td>
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<td>)</td>
<td></td><td><code> [inline]</code></td>
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<p>A constructor for creating an <code><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html" title="ExtCompletionCallbackWithOutput is similar to CompletionCallbackWithOutput, but used by APIs within t...">ExtCompletionCallbackWithOutput</a></code> that references the given output data. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">func</td><td>The function to be called on completion. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">user_data</td><td>The user data to be passed to the callback function. This is optional and is typically used to help track state in case of multiple pending callbacks. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">output</td><td>A pointer to the data associated with the callback. The caller must ensure that this pointer outlives the completion callback. </td></tr>
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</dd>
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<a class="anchor" id="a8e28a5fbcd848df3e34178ac29d1ae60"></a><!-- doxytag: member="pp::ext::ExtCompletionCallbackWithOutput::ExtCompletionCallbackWithOutput" ref="a8e28a5fbcd848df3e34178ac29d1ae60" args="(PP_CompletionCallback_Func func, void *user_data, int32_t flags, typename BaseType::OutputStorageType *output)" -->
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<td class="memname"><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html">pp::ext::ExtCompletionCallbackWithOutput</a>&lt; T &gt;::<a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html">ExtCompletionCallbackWithOutput</a> </td>
<td>(</td>
<td class="paramtype">PP_CompletionCallback_Func&#160;</td>
<td class="paramname"><em>func</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>user_data</em>, </td>
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<td class="paramtype">int32_t&#160;</td>
<td class="paramname"><em>flags</em>, </td>
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<td></td>
<td class="paramtype">typename <a class="el" href="classpp_1_1internal_1_1_completion_callback_with_output_base.html#a6b6f033dd376edc4507951d82bd1ea18">BaseType::OutputStorageType</a> *&#160;</td>
<td class="paramname"><em>output</em>&#160;</td>
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<td></td>
<td>)</td>
<td></td><td><code> [inline]</code></td>
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<p>A constructor for creating an <code><a class="el" href="classpp_1_1ext_1_1_ext_completion_callback_with_output.html" title="ExtCompletionCallbackWithOutput is similar to CompletionCallbackWithOutput, but used by APIs within t...">ExtCompletionCallbackWithOutput</a></code> that references the given output data. </p>
<dl class="params"><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">func</td><td>The function to be called on completion.</td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">user_data</td><td>The user data to be passed to the callback function. This is optional and is typically used to help track state in case of multiple pending callbacks.</td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">flags</td><td>Bit field combination of <code>PP_CompletionCallback_Flag</code> flags used to control how non-NULL callbacks are scheduled by asynchronous methods.</td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">output</td><td>A pointer to the data associated with the callback. The caller must ensure that this pointer outlives the completion callback. </td></tr>
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</dd>
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<hr />The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="completion__callback_8h.html">completion_callback.h</a></li>
</ul>
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