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| <a href="shared__ptr_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// software distributed under the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// KIND, either express or implied. See the License for the</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// under the License.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#ifndef KUDU_CLIENT_SHARED_PTR_H</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#define KUDU_CLIENT_SHARED_PTR_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// This include is not used directly, but we need to include some C++ header in</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// order to ensure the _LIBCPP_VERSION macro is defined appropriately.</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#if defined(_LIBCPP_VERSION)</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// TODO(adar): our IWYU runs with libc++ and misbehaves with this header:</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">//</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// 1. All inclusions must append "// IWYU pragma: keep" otherwise IWYU removes them.</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// 2. IWYU adds <memory> to every file that includes this header.</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">//</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// In theory, the second problem can be addressed by adding</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// "// IWYU pragma: export" to the inclusion of <memory> just below. However,</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// that actually inverts the effect: IWYU removes <memory> from every file that</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// includes this header. This is unsafe because if we're doing a regular Kudu</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// build, this header includes <tr1/memory>, leaving the source file without any</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// inclusion of <memory> and unable to satisfy references to e.g. std::unique_ptr.</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">//</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// There must be a way to convince IWYU that the classes in kudu::client::sp are</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// "real" and not just aliases of std classes. One way to do that would be to</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// insert complete copies of those classes just for IWYU, but that seems like overkill.</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">namespace </span><a class="code" href="namespacekudu.html">kudu</a> {</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">namespace </span>client {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">namespace </span>sp {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">using</span> std::shared_ptr;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">using</span> std::weak_ptr;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">using</span> std::enable_shared_from_this;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> }</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> }</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#include <tr1/memory></span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">namespace </span><a class="code" href="namespacekudu.html">kudu</a> {</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">namespace </span>client {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">namespace </span>sp {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">using</span> std::tr1::shared_ptr;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">using</span> std::tr1::weak_ptr;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">using</span> std::tr1::enable_shared_from_this;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> }</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> }</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#endif // define KUDU_CLIENT_SHARED_PTR_H</span></div><div class="ttc" id="namespacekudu_html"><div class="ttname"><a href="namespacekudu.html">kudu</a></div><div class="ttdef"><b>Definition:</b> callbacks.h:28</div></div> |
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