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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_98934c98f70735fe3a272005a9eb8736.html">uvw</a></li> </ul>
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<div class="headertitle"><div class="title">lib.h</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#ifndef UVW_LIB_INCLUDE_H</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#define UVW_LIB_INCLUDE_H</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include <string></span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include <type_traits></span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include <uv.h></span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include "config.h"</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include "loop.h"</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include "uv_type.hpp"</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceuvw.html">uvw</a> {</div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="classuvw_1_1shared__lib.html"> 20</a></span><span class="keyword">class </span><a class="code hl_class" href="classuvw_1_1shared__lib.html">shared_lib</a> final: <span class="keyword">public</span> <a class="code hl_struct" href="structuvw_1_1uv__type.html">uv_type</a><uv_lib_t> {</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keyword">public</span>:</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classuvw_1_1shared__lib.html">shared_lib</a>(loop::token token, std::shared_ptr<loop> ref, <span class="keyword">const</span> std::string &filename) <span class="keyword">noexcept</span>;</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <a class="code hl_class" href="classuvw_1_1shared__lib.html">~shared_lib</a>() <span class="keyword">noexcept</span>;</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="classuvw_1_1shared__lib.html#a1b8410a22b128723fd1157e77b46d964"> 30</a></span> <span class="keyword">explicit</span> <span class="keyword">operator</span> bool() const noexcept;</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> template<typename F></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"><a class="line" href="classuvw_1_1shared__lib.html#a6bc1bbcc9de46a9fbb0d9d0c96deed0c"> 42</a></span> F *<a class="code hl_function" href="classuvw_1_1shared__lib.html#a6bc1bbcc9de46a9fbb0d9d0c96deed0c">sym</a>(const std::<span class="keywordtype">string</span> &name) {</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">static_assert</span>(std::is_function_v<F>);</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> F *func;</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">auto</span> err = uv_dlsym(<a class="code hl_function" href="structuvw_1_1uv__type.html#a06a6cb7ebde27aa348e340b76e49c6ae">raw</a>(), name.data(), <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span> **<span class="keyword">></span>(&func));</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">if</span>(err) { func = <span class="keyword">nullptr</span>; }</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">return</span> func;</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> }</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="classuvw_1_1shared__lib.html#a5998e6c11cb976ecfdbd610be4ebac45"> 54</a></span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code hl_function" href="classuvw_1_1shared__lib.html#a5998e6c11cb976ecfdbd610be4ebac45">error</a>() const noexcept;</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span>private:</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordtype">bool</span> opened;</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span>};</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span>} <span class="comment">// namespace uvw</span></div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="preprocessor">#ifndef UVW_AS_LIB</span></div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="preprocessor"># include "lib.cpp"</span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="preprocessor">#endif </span><span class="comment">// UVW_LIB_INCLUDE_H</span></div>
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<div class="ttc" id="aclassuvw_1_1shared__lib_html"><div class="ttname"><a href="classuvw_1_1shared__lib.html">uvw::shared_lib</a></div><div class="ttdoc">The shared lib class.</div><div class="ttdef"><b>Definition:</b> <a href="lib_8h_source.html#l00020">lib.h:20</a></div></div>
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<div class="ttc" id="aclassuvw_1_1shared__lib_html_a5998e6c11cb976ecfdbd610be4ebac45"><div class="ttname"><a href="classuvw_1_1shared__lib.html#a5998e6c11cb976ecfdbd610be4ebac45">uvw::shared_lib::error</a></div><div class="ttdeci">const char * error() const noexcept</div><div class="ttdoc">Returns the last error message, if any.</div></div>
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<div class="ttc" id="aclassuvw_1_1shared__lib_html_a6bc1bbcc9de46a9fbb0d9d0c96deed0c"><div class="ttname"><a href="classuvw_1_1shared__lib.html#a6bc1bbcc9de46a9fbb0d9d0c96deed0c">uvw::shared_lib::sym</a></div><div class="ttdeci">F * sym(const std::string &name)</div><div class="ttdoc">Retrieves a data pointer from a dynamic library.</div><div class="ttdef"><b>Definition:</b> <a href="lib_8h_source.html#l00042">lib.h:42</a></div></div>
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<div class="ttc" id="anamespaceuvw_html"><div class="ttname"><a href="namespaceuvw.html">uvw</a></div><div class="ttdoc">uvw default namespace.</div><div class="ttdef"><b>Definition:</b> <a href="async_8h_source.html#l00008">async.h:8</a></div></div>
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<div class="ttc" id="astructuvw_1_1uv__type_html"><div class="ttname"><a href="structuvw_1_1uv__type.html">uvw::uv_type</a></div><div class="ttdoc">Wrapper class for underlying types.</div><div class="ttdef"><b>Definition:</b> <a href="uv__type_8hpp_source.html#l00018">uv_type.hpp:18</a></div></div>
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<div class="ttc" id="astructuvw_1_1uv__type_html_a06a6cb7ebde27aa348e340b76e49c6ae"><div class="ttname"><a href="structuvw_1_1uv__type.html#a06a6cb7ebde27aa348e340b76e49c6ae">uvw::uv_type< uv_lib_t >::raw</a></div><div class="ttdeci">const uv_lib_t * raw() const noexcept</div><div class="ttdoc">Gets the underlying raw data structure.</div><div class="ttdef"><b>Definition:</b> <a href="uv__type_8hpp_source.html#l00059">uv_type.hpp:59</a></div></div>
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