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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_5f536ab1985a8dcd28bcfd618bc58e92.html">basics</a></li> </ul>
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<div class="title">SlabAllocator.h</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright 2022, Nikolaos D. Bougalis <nikb@bougalis.net></span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef RIPPLE_BASICS_SLABALLOCATOR_H_INCLUDED</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define RIPPLE_BASICS_SLABALLOCATOR_H_INCLUDED</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <ripple/beast/type_name.h></span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a>></span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/atomic.html">atomic</a>></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cassert.html">cassert</a>></span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a>></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/mutex.html">mutex</a>></span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <boost/align.hpp></span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <boost/container/static_vector.hpp></span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <boost/predef.h></span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#if BOOST_OS_LINUX</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <sys/mman.h></span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Type></div>
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<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocator.html"> 41</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1SlabAllocator.html">SlabAllocator</a></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  static_assert(</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">sizeof</span>(Type) >= <span class="keyword">sizeof</span>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>*),</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="stringliteral">"SlabAllocator: the requested object must be larger than a pointer."</span>);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  static_assert(<span class="keyword">alignof</span>(Type) == 8 || <span class="keyword">alignof</span>(Type) == 4);</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html"> 50</a></span>  <span class="keyword">struct </span><a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// A mutex to protect the freelist for this block:</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a531411f3231aa0ae9aa735da7c739ce4"> 53</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/mutex.html">std::mutex</a> <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a531411f3231aa0ae9aa735da7c739ce4">m_</a>;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// A linked list of appropriately sized free buffers:</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#ae86708a8fd44754f5955cae59a42d0ae"> 56</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#ae86708a8fd44754f5955cae59a42d0ae">l_</a> = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// The next memory block</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a1c8358e65cf81019737a66dffe0887af"> 59</a></span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a>* <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a1c8358e65cf81019737a66dffe0887af">next_</a>;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// The underlying memory block:</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a8db542e10fce31f924163e4cc3d04a62"> 62</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a> <span class="keyword">const</span>* <span class="keyword">const</span> <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a8db542e10fce31f924163e4cc3d04a62">p_</a> = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// The extent of the underlying memory block:</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a54b6414aac76d5d3fc6f292038bc088c"> 65</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <span class="keyword">const</span> <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a54b6414aac76d5d3fc6f292038bc088c">size_</a>;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
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<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#aae3b881e26f20ed039f89906952ee9ba"> 67</a></span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#aae3b881e26f20ed039f89906952ee9ba">SlabBlock</a>(</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a>* next,</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* data,</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <a class="code" href="classripple_1_1SlabAllocator.html#a6d6d7d449e67409f252d02bdf3af20fe">size</a>,</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> item)</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  : <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a1c8358e65cf81019737a66dffe0887af">next_</a>(next), <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a8db542e10fce31f924163e4cc3d04a62">p_</a>(data), <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a54b6414aac76d5d3fc6f292038bc088c">size_</a>(<a class="code" href="classripple_1_1SlabAllocator.html#a6d6d7d449e67409f252d02bdf3af20fe">size</a>)</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// We don't need to grab the mutex here, since we're the only</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// ones with access at this moment.</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">while</span> (data + item <= <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a8db542e10fce31f924163e4cc3d04a62">p_</a> + <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a54b6414aac76d5d3fc6f292038bc088c">size_</a>)</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  *<span class="keyword">reinterpret_cast<</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>**<span class="keyword">></span>(data) = <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#ae86708a8fd44754f5955cae59a42d0ae">l_</a>;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#ae86708a8fd44754f5955cae59a42d0ae">l_</a> = data;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  data += item;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
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<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#adfeb156b3aabe7e20995c2ef0291829d"> 85</a></span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#adfeb156b3aabe7e20995c2ef0291829d">~SlabBlock</a>()</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  {</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// Calling this destructor will release the allocated memory but</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// will not properly destroy any objects that are constructed in</span></div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// the block itself.</span></div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#aae3b881e26f20ed039f89906952ee9ba">SlabBlock</a>(<a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a> <span class="keyword">const</span>& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a>&</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a59575f36f00fa35c005406df49590991">operator=</a>(<a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a> <span class="keyword">const</span>& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#aae3b881e26f20ed039f89906952ee9ba">SlabBlock</a>(<a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a>&& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a>&</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a59575f36f00fa35c005406df49590991">operator=</a>(<a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a>&& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a0857c5a2b90481de09acad1f7efedd74"> 102</a></span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a0857c5a2b90481de09acad1f7efedd74">own</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a> <span class="keyword">const</span>* p) <span class="keyword">const</span> noexcept</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  {</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> (p >= <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a8db542e10fce31f924163e4cc3d04a62">p_</a>) && (p < <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a8db542e10fce31f924163e4cc3d04a62">p_</a> + <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a54b6414aac76d5d3fc6f292038bc088c">size_</a>);</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>*</div>
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<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a409c00d0fe510a88ca67b807fbed216c"> 108</a></span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a409c00d0fe510a88ca67b807fbed216c">allocate</a>() noexcept</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* ret;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  {</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> l(<a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a531411f3231aa0ae9aa735da7c739ce4">m_</a>);</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  ret = <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#ae86708a8fd44754f5955cae59a42d0ae">l_</a>;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (ret)</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#ae86708a8fd44754f5955cae59a42d0ae">l_</a> = *<span class="keyword">reinterpret_cast<</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>**<span class="keyword">></span>(ret);</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> ret;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  </div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">void</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a3d97e4d8de0778cd8f11a7c26c2f5301"> 134</a></span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a3d97e4d8de0778cd8f11a7c26c2f5301">deallocate</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* ptr) noexcept</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  {</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  assert(<a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a0857c5a2b90481de09acad1f7efedd74">own</a>(ptr));</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a> l(<a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a531411f3231aa0ae9aa735da7c739ce4">m_</a>);</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  *<span class="keyword">reinterpret_cast<</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>**<span class="keyword">></span>(ptr) = <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#ae86708a8fd44754f5955cae59a42d0ae">l_</a>;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#ae86708a8fd44754f5955cae59a42d0ae">l_</a> = ptr;</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  };</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// A linked list of slabs</span></div>
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<div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocator.html#a706e50935a03ee1cba5aef0f292e702b"> 146</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/atomic/atomic.html">std::atomic<SlabBlock*></a> <a class="code" href="classripple_1_1SlabAllocator.html#a706e50935a03ee1cba5aef0f292e702b">slabs_</a> = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// The alignment requirements of the item we're allocating:</span></div>
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<div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocator.html#adc3cc6119e2cfe97571caa485af8d0c6"> 149</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <span class="keyword">const</span> <a class="code" href="classripple_1_1SlabAllocator.html#adc3cc6119e2cfe97571caa485af8d0c6">itemAlignment_</a>;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// The size of an item, including the extra bytes requested and</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// any padding needed for alignment purposes:</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocator.html#a5cc7348d160d7314917bffc8e37f3950"> 153</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <span class="keyword">const</span> <a class="code" href="classripple_1_1SlabAllocator.html#a5cc7348d160d7314917bffc8e37f3950">itemSize_</a>;</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  </div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// The size of each individual slab:</span></div>
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<div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocator.html#a123a4e4cc4cb29e26fa7db207536cfb1"> 156</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <span class="keyword">const</span> <a class="code" href="classripple_1_1SlabAllocator.html#a123a4e4cc4cb29e26fa7db207536cfb1">slabSize_</a>;</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  </div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocator.html#a0812a0805718c5c0967d4894b7822fe5"> 167</a></span>  constexpr <span class="keyword">explicit</span> <a class="code" href="classripple_1_1SlabAllocator.html#a0812a0805718c5c0967d4894b7822fe5">SlabAllocator</a>(</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> extra,</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> alloc = 0,</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> align = 0)</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  : <a class="code" href="classripple_1_1SlabAllocator.html#adc3cc6119e2cfe97571caa485af8d0c6">itemAlignment_</a>(align ? align : alignof(Type))</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  , <a class="code" href="classripple_1_1SlabAllocator.html#a5cc7348d160d7314917bffc8e37f3950">itemSize_</a>(</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="namespaceboost.html">boost</a>::alignment::align_up(sizeof(Type) + extra, <a class="code" href="classripple_1_1SlabAllocator.html#adc3cc6119e2cfe97571caa485af8d0c6">itemAlignment_</a>))</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  , <a class="code" href="classripple_1_1SlabAllocator.html#a123a4e4cc4cb29e26fa7db207536cfb1">slabSize_</a>(alloc)</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  {</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  assert((<a class="code" href="classripple_1_1SlabAllocator.html#adc3cc6119e2cfe97571caa485af8d0c6">itemAlignment_</a> & (<a class="code" href="classripple_1_1SlabAllocator.html#adc3cc6119e2cfe97571caa485af8d0c6">itemAlignment_</a> - 1)) == 0);</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
|
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="classripple_1_1SlabAllocator.html#a0812a0805718c5c0967d4894b7822fe5">SlabAllocator</a>(<a class="code" href="classripple_1_1SlabAllocator.html">SlabAllocator</a> <span class="keyword">const</span>& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="code" href="classripple_1_1SlabAllocator.html">SlabAllocator</a>&</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="classripple_1_1SlabAllocator.html#a502f2c47faa8246b1394edfadf262913">operator=</a>(<a class="code" href="classripple_1_1SlabAllocator.html">SlabAllocator</a> <span class="keyword">const</span>& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  </div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="classripple_1_1SlabAllocator.html#a0812a0805718c5c0967d4894b7822fe5">SlabAllocator</a>(<a class="code" href="classripple_1_1SlabAllocator.html">SlabAllocator</a>&& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="code" href="classripple_1_1SlabAllocator.html">SlabAllocator</a>&</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="code" href="classripple_1_1SlabAllocator.html#a502f2c47faa8246b1394edfadf262913">operator=</a>(<a class="code" href="classripple_1_1SlabAllocator.html">SlabAllocator</a>&& other) = <span class="keyword">delete</span>;</div>
|
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div>
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<div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocator.html#abe19edc03ec24567c5f3d7e2858db715"> 187</a></span>  <a class="code" href="classripple_1_1SlabAllocator.html#abe19edc03ec24567c5f3d7e2858db715">~SlabAllocator</a>()</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  {</div>
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|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// FIXME: We can't destroy the memory blocks we've allocated, because</span></div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// we can't be sure that they are not being used. Cleaning the</span></div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// shutdown process up could make this possible.</span></div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  </div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  constexpr <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
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<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocator.html#a6d6d7d449e67409f252d02bdf3af20fe"> 196</a></span>  <a class="code" href="classripple_1_1SlabAllocator.html#a6d6d7d449e67409f252d02bdf3af20fe">size</a>() const noexcept</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  {</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1SlabAllocator.html#a5cc7348d160d7314917bffc8e37f3950">itemSize_</a>;</div>
|
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
|
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  </div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>*</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocator.html#a43fdadd5f4c98fc1d6185502bd33cd6d"> 207</a></span>  <a class="code" href="classripple_1_1SlabAllocator.html#a43fdadd5f4c98fc1d6185502bd33cd6d">allocate</a>() noexcept</div>
|
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  {</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">auto</span> slab = <a class="code" href="classripple_1_1SlabAllocator.html#a706e50935a03ee1cba5aef0f292e702b">slabs_</a>.load();</div>
|
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  </div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">while</span> (slab != <span class="keyword">nullptr</span>)</div>
|
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  {</div>
|
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> (<span class="keyword">auto</span> ret = slab->allocate())</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span> ret;</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  </div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  slab = slab->next_;</div>
|
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
|
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div>
|
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// No slab can satisfy our request, so we attempt to allocate a new</span></div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// one here:</span></div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <a class="code" href="classripple_1_1SlabAllocator.html#a6d6d7d449e67409f252d02bdf3af20fe">size</a> = <a class="code" href="classripple_1_1SlabAllocator.html#a123a4e4cc4cb29e26fa7db207536cfb1">slabSize_</a>;</div>
|
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
|
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// We want to allocate the memory at a 2 MiB boundary, to make it</span></div>
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|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// possible to use hugepage mappings on Linux:</span></div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">auto</span> buf =</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  boost::alignment::aligned_alloc(<a class="code" href="namespaceripple.html#a13d7c6c34d30731bbc221f629e03f8db">megabytes</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a>(2)), <a class="code" href="classripple_1_1SlabAllocator.html#a6d6d7d449e67409f252d02bdf3af20fe">size</a>);</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  </div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// clang-format off</span></div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (!buf) [[unlikely]]</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// clang-format on</span></div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#if BOOST_OS_LINUX</span></div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// When allocating large blocks, attempt to leverage Linux's</span></div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// transparent hugepage support. It is unclear and difficult</span></div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// to accurately determine if doing this impacts performance</span></div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="comment">// enough to justify using platform-specific tricks.</span></div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (<a class="code" href="classripple_1_1SlabAllocator.html#a6d6d7d449e67409f252d02bdf3af20fe">size</a> >= <a class="code" href="namespaceripple.html#a13d7c6c34d30731bbc221f629e03f8db">megabytes</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a>(4)))</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  madvise(buf, <a class="code" href="classripple_1_1SlabAllocator.html#a6d6d7d449e67409f252d02bdf3af20fe">size</a>, MADV_HUGEPAGE);</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  </div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// We need to carve out a bit of memory for the slab header</span></div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">// and then align the rest appropriately:</span></div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">auto</span> slabData = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span>*<span class="keyword">></span>(</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">reinterpret_cast<</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>*<span class="keyword">></span>(buf) + <span class="keyword">sizeof</span>(<a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a>));</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keyword">auto</span> slabSize = <a class="code" href="classripple_1_1SlabAllocator.html#a6d6d7d449e67409f252d02bdf3af20fe">size</a> - <span class="keyword">sizeof</span>(<a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a>);</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  </div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="comment">// This operation is essentially guaranteed not to fail but</span></div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// let's be careful anyways.</span></div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">if</span> (!boost::alignment::align(</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <a class="code" href="classripple_1_1SlabAllocator.html#adc3cc6119e2cfe97571caa485af8d0c6">itemAlignment_</a>, <a class="code" href="classripple_1_1SlabAllocator.html#a5cc7348d160d7314917bffc8e37f3950">itemSize_</a>, slabData, slabSize))</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  {</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  boost::alignment::aligned_free(buf);</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  </div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  slab = <span class="keyword">new</span> (buf) <a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html">SlabBlock</a>(</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="classripple_1_1SlabAllocator.html#a706e50935a03ee1cba5aef0f292e702b">slabs_</a>.load(),</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">reinterpret_cast<</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>*<span class="keyword">></span>(slabData),</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  slabSize,</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="classripple_1_1SlabAllocator.html#a5cc7348d160d7314917bffc8e37f3950">itemSize_</a>);</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  </div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// Link the new slab</span></div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">while</span> (!<a class="code" href="classripple_1_1SlabAllocator.html#a706e50935a03ee1cba5aef0f292e702b">slabs_</a>.compare_exchange_weak(</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  slab->next_,</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  slab,</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  std::memory_order_release,</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  std::memory_order_relaxed))</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  {</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  ; <span class="comment">// Nothing to do</span></div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  </div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">return</span> slab-><a class="code" href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a409c00d0fe510a88ca67b807fbed216c">allocate</a>();</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  </div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00284"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocator.html#aa696ee1e381a40ca0e52a1ad5632f866"> 284</a></span>  <a class="code" href="classripple_1_1SlabAllocator.html#aa696ee1e381a40ca0e52a1ad5632f866">deallocate</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* ptr) noexcept</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  {</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  assert(ptr);</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> slab = <a class="code" href="classripple_1_1SlabAllocator.html#a706e50935a03ee1cba5aef0f292e702b">slabs_</a>.load(); slab != <span class="keyword">nullptr</span>; slab = slab->next_)</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  {</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">if</span> (slab->own(ptr))</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  {</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  slab->deallocate(ptr);</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  }</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  }</div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  </div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  }</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> };</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Type></div>
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<div class="line"><a name="l00303"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet.html"> 303</a></span> <span class="keyword">class </span><a class="code" href="classripple_1_1SlabAllocatorSet.html">SlabAllocatorSet</a></div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> {</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// The list of allocators that belong to this set</span></div>
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<div class="line"><a name="l00307"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet.html#a7e3c9651574fa345c32d8de9451e07aa"> 307</a></span>  boost::container::static_vector<SlabAllocator<Type>, 64> <a class="code" href="classripple_1_1SlabAllocatorSet.html#a7e3c9651574fa345c32d8de9451e07aa">allocators_</a>;</div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  </div>
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<div class="line"><a name="l00309"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet.html#a96e56f2b07cb747c0ec4a7ff3b79e1a5"> 309</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <a class="code" href="classripple_1_1SlabAllocatorSet.html#a96e56f2b07cb747c0ec4a7ff3b79e1a5">maxSize_</a> = 0;</div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  </div>
|
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="keyword">public</span>:</div>
|
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<div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html"> 312</a></span>  <span class="keyword">class </span><a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html">SlabConfig</a></div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  {</div>
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<div class="line"><a name="l00314"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a78daa74b7baad73946d3d3f397e0f6d8"> 314</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classripple_1_1SlabAllocatorSet.html">SlabAllocatorSet</a>;</div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  </div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00317"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#ad54951a71724414fb61a7dd990a9f5e5"> 317</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#ad54951a71724414fb61a7dd990a9f5e5">extra</a>;</div>
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<div class="line"><a name="l00318"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a3f88ab397efd3af31b7663fe11891ab1"> 318</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a3f88ab397efd3af31b7663fe11891ab1">alloc</a>;</div>
|
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<div class="line"><a name="l00319"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a1cd5cfcdd3ed0be7a147cfbea4cb1ab8"> 319</a></span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a1cd5cfcdd3ed0be7a147cfbea4cb1ab8">align</a>;</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00322"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a7e77dc8f940be934583eb1927fd2aa2c"> 322</a></span>  constexpr <a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a7e77dc8f940be934583eb1927fd2aa2c">SlabConfig</a>(</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> extra_,</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> alloc_ = 0,</div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> align_ = <span class="keyword">alignof</span>(Type))</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  : <a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#ad54951a71724414fb61a7dd990a9f5e5">extra</a>(extra_), <a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a3f88ab397efd3af31b7663fe11891ab1">alloc</a>(alloc_), <a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a1cd5cfcdd3ed0be7a147cfbea4cb1ab8">align</a>(align_)</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  {</div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  };</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
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<div class="line"><a name="l00331"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet.html#a4895e2fb1cc2a14b851347f9fb0696a7"> 331</a></span>  constexpr <a class="code" href="classripple_1_1SlabAllocatorSet.html#a4895e2fb1cc2a14b851347f9fb0696a7">SlabAllocatorSet</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<SlabConfig></a> cfg)</div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  {</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// Ensure that the specified allocators are sorted from smallest to</span></div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="comment">// largest by size:</span></div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/sort.html">std::sort</a>(</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(cfg),</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(cfg),</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  [](<a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html">SlabConfig</a> <span class="keyword">const</span>& a, <a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html">SlabConfig</a> <span class="keyword">const</span>& b) {</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">return</span> a.<a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#ad54951a71724414fb61a7dd990a9f5e5">extra</a> < b.<a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#ad54951a71724414fb61a7dd990a9f5e5">extra</a>;</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  });</div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  </div>
|
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="comment">// We should never have two slabs of the same size</span></div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">if</span> (<a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/adjacent_find.html">std::adjacent_find</a>(</div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a>(cfg),</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a>(cfg),</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  [](<a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html">SlabConfig</a> <span class="keyword">const</span>& a, <a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html">SlabConfig</a> <span class="keyword">const</span>& b) {</div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">return</span> a.<a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#ad54951a71724414fb61a7dd990a9f5e5">extra</a> == b.<a class="code" href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#ad54951a71724414fb61a7dd990a9f5e5">extra</a>;</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  }) != cfg.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/end.html">end</a>())</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  {</div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">throw</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/error/runtime_error.html">std::runtime_error</a>(</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="stringliteral">"SlabAllocatorSet<"</span> + beast::type_name<Type>() +</div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="stringliteral">">: duplicate slab size"</span>);</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  }</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  </div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>& c : cfg)</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  {</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keyword">auto</span>& a = <a class="code" href="classripple_1_1SlabAllocatorSet.html#a7e3c9651574fa345c32d8de9451e07aa">allocators_</a>.emplace_back(c.extra, c.alloc, c.align);</div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">if</span> (a.size() > <a class="code" href="classripple_1_1SlabAllocatorSet.html#a96e56f2b07cb747c0ec4a7ff3b79e1a5">maxSize_</a>)</div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <a class="code" href="classripple_1_1SlabAllocatorSet.html#a96e56f2b07cb747c0ec4a7ff3b79e1a5">maxSize_</a> = a.size();</div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  }</div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  </div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <a class="code" href="classripple_1_1SlabAllocatorSet.html#a4895e2fb1cc2a14b851347f9fb0696a7">SlabAllocatorSet</a>(<a class="code" href="classripple_1_1SlabAllocatorSet.html">SlabAllocatorSet</a> <span class="keyword">const</span>& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <a class="code" href="classripple_1_1SlabAllocatorSet.html">SlabAllocatorSet</a>&</div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <a class="code" href="classripple_1_1SlabAllocatorSet.html#ab24fce67d1a969b50db71f2bf4d9d696">operator=</a>(<a class="code" href="classripple_1_1SlabAllocatorSet.html">SlabAllocatorSet</a> <span class="keyword">const</span>& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  </div>
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<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <a class="code" href="classripple_1_1SlabAllocatorSet.html#a4895e2fb1cc2a14b851347f9fb0696a7">SlabAllocatorSet</a>(<a class="code" href="classripple_1_1SlabAllocatorSet.html">SlabAllocatorSet</a>&& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <a class="code" href="classripple_1_1SlabAllocatorSet.html">SlabAllocatorSet</a>&</div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <a class="code" href="classripple_1_1SlabAllocatorSet.html#ab24fce67d1a969b50db71f2bf4d9d696">operator=</a>(<a class="code" href="classripple_1_1SlabAllocatorSet.html">SlabAllocatorSet</a>&& other) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  </div>
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<div class="line"><a name="l00372"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet.html#a41f6365b75ec1f8507f475b7285363af"> 372</a></span>  <a class="code" href="classripple_1_1SlabAllocatorSet.html#a41f6365b75ec1f8507f475b7285363af">~SlabAllocatorSet</a>()</div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  {</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  </div>
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>*</div>
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<div class="line"><a name="l00385"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet.html#a554402f5c0c081ba477586a1e31ba0f1"> 385</a></span>  <a class="code" href="classripple_1_1SlabAllocatorSet.html#a554402f5c0c081ba477586a1e31ba0f1">allocate</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> extra) noexcept</div>
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  {</div>
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<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">if</span> (<span class="keyword">auto</span> <span class="keyword">const</span> size = <span class="keyword">sizeof</span>(Type) + extra; size <= <a class="code" href="classripple_1_1SlabAllocatorSet.html#a96e56f2b07cb747c0ec4a7ff3b79e1a5">maxSize_</a>)</div>
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  {</div>
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<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& a : <a class="code" href="classripple_1_1SlabAllocatorSet.html#a7e3c9651574fa345c32d8de9451e07aa">allocators_</a>)</div>
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<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  {</div>
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<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">if</span> (a.size() >= size)</div>
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<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">return</span> a.allocate();</div>
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<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  }</div>
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  }</div>
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<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  </div>
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<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div>
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<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  </div>
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<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordtype">bool</span></div>
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<div class="line"><a name="l00407"></a><span class="lineno"><a class="line" href="classripple_1_1SlabAllocatorSet.html#aaf360fb8c1f9471de8f48bba01a8ac90"> 407</a></span>  <a class="code" href="classripple_1_1SlabAllocatorSet.html#aaf360fb8c1f9471de8f48bba01a8ac90">deallocate</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* ptr) noexcept</div>
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<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  {</div>
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<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& a : <a class="code" href="classripple_1_1SlabAllocatorSet.html#a7e3c9651574fa345c32d8de9451e07aa">allocators_</a>)</div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  {</div>
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<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">if</span> (a.deallocate(ptr))</div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </div>
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> };</div>
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  </div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> } <span class="comment">// namespace ripple</span></div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  </div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="preprocessor">#endif // RIPPLE_BASICS_SLABALLOCATOR_H_INCLUDED</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_a3d97e4d8de0778cd8f11a7c26c2f5301"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a3d97e4d8de0778cd8f11a7c26c2f5301">ripple::SlabAllocator::SlabBlock::deallocate</a></div><div class="ttdeci">void deallocate(std::uint8_t *ptr) noexcept</div><div class="ttdoc">Return an item to this allocator's freelist.</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00134">SlabAllocator.h:134</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html_abe19edc03ec24567c5f3d7e2858db715"><div class="ttname"><a href="classripple_1_1SlabAllocator.html#abe19edc03ec24567c5f3d7e2858db715">ripple::SlabAllocator::~SlabAllocator</a></div><div class="ttdeci">~SlabAllocator()</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00187">SlabAllocator.h:187</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html_a502f2c47faa8246b1394edfadf262913"><div class="ttname"><a href="classripple_1_1SlabAllocator.html#a502f2c47faa8246b1394edfadf262913">ripple::SlabAllocator::operator=</a></div><div class="ttdeci">SlabAllocator & operator=(SlabAllocator const &other)=delete</div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_html_a554402f5c0c081ba477586a1e31ba0f1"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet.html#a554402f5c0c081ba477586a1e31ba0f1">ripple::SlabAllocatorSet::allocate</a></div><div class="ttdeci">std::uint8_t * allocate(std::size_t extra) noexcept</div><div class="ttdoc">Returns a suitably aligned pointer, if one is available.</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00385">SlabAllocator.h:385</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_html_aaf360fb8c1f9471de8f48bba01a8ac90"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet.html#aaf360fb8c1f9471de8f48bba01a8ac90">ripple::SlabAllocatorSet::deallocate</a></div><div class="ttdeci">bool deallocate(std::uint8_t *ptr) noexcept</div><div class="ttdoc">Returns the memory block to the allocator.</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00407">SlabAllocator.h:407</a></div></div>
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<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_a0857c5a2b90481de09acad1f7efedd74"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a0857c5a2b90481de09acad1f7efedd74">ripple::SlabAllocator::SlabBlock::own</a></div><div class="ttdeci">bool own(std::uint8_t const *p) const noexcept</div><div class="ttdoc">Determines whether the given pointer belongs to this allocator.</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00102">SlabAllocator.h:102</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_1_1SlabConfig_html_a7e77dc8f940be934583eb1927fd2aa2c"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a7e77dc8f940be934583eb1927fd2aa2c">ripple::SlabAllocatorSet::SlabConfig::SlabConfig</a></div><div class="ttdeci">constexpr SlabConfig(std::size_t extra_, std::size_t alloc_=0, std::size_t align_=alignof(Type))</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00322">SlabAllocator.h:322</a></div></div>
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<div class="ttc" id="alock_guard_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/lock_guard.html">std::lock_guard</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="anamespaceboost_html"><div class="ttname"><a href="namespaceboost.html">boost</a></div><div class="ttdef"><b>Definition:</b> <a href="IPAddress_8h_source.html#l00103">IPAddress.h:103</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_1_1SlabConfig_html_a3f88ab397efd3af31b7663fe11891ab1"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a3f88ab397efd3af31b7663fe11891ab1">ripple::SlabAllocatorSet::SlabConfig::alloc</a></div><div class="ttdeci">std::size_t alloc</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00318">SlabAllocator.h:318</a></div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_a59575f36f00fa35c005406df49590991"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a59575f36f00fa35c005406df49590991">ripple::SlabAllocator::SlabBlock::operator=</a></div><div class="ttdeci">SlabBlock & operator=(SlabBlock const &other)=delete</div></div>
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<div class="ttc" id="asort_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/sort.html">std::sort</a></div><div class="ttdeci">T sort(T... args)</div></div>
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<div class="ttc" id="aalgorithm_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_1_1SlabConfig_html_a1cd5cfcdd3ed0be7a147cfbea4cb1ab8"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#a1cd5cfcdd3ed0be7a147cfbea4cb1ab8">ripple::SlabAllocatorSet::SlabConfig::align</a></div><div class="ttdeci">std::size_t align</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00319">SlabAllocator.h:319</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html_adc3cc6119e2cfe97571caa485af8d0c6"><div class="ttname"><a href="classripple_1_1SlabAllocator.html#adc3cc6119e2cfe97571caa485af8d0c6">ripple::SlabAllocator::itemAlignment_</a></div><div class="ttdeci">const std::size_t itemAlignment_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00149">SlabAllocator.h:149</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_html_ab24fce67d1a969b50db71f2bf4d9d696"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet.html#ab24fce67d1a969b50db71f2bf4d9d696">ripple::SlabAllocatorSet::operator=</a></div><div class="ttdeci">SlabAllocatorSet & operator=(SlabAllocatorSet const &other)=delete</div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_1_1SlabConfig_html"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html">ripple::SlabAllocatorSet::SlabConfig</a></div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00312">SlabAllocator.h:312</a></div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_aae3b881e26f20ed039f89906952ee9ba"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#aae3b881e26f20ed039f89906952ee9ba">ripple::SlabAllocator::SlabBlock::SlabBlock</a></div><div class="ttdeci">SlabBlock(SlabBlock *next, std::uint8_t *data, std::size_t size, std::size_t item)</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00067">SlabAllocator.h:67</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_1_1SlabConfig_html_ad54951a71724414fb61a7dd990a9f5e5"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet_1_1SlabConfig.html#ad54951a71724414fb61a7dd990a9f5e5">ripple::SlabAllocatorSet::SlabConfig::extra</a></div><div class="ttdeci">std::size_t extra</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00317">SlabAllocator.h:317</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html_a706e50935a03ee1cba5aef0f292e702b"><div class="ttname"><a href="classripple_1_1SlabAllocator.html#a706e50935a03ee1cba5aef0f292e702b">ripple::SlabAllocator::slabs_</a></div><div class="ttdeci">std::atomic< SlabBlock * > slabs_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00146">SlabAllocator.h:146</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a13d7c6c34d30731bbc221f629e03f8db"><div class="ttname"><a href="namespaceripple.html#a13d7c6c34d30731bbc221f629e03f8db">ripple::megabytes</a></div><div class="ttdeci">constexpr auto megabytes(T value) noexcept</div><div class="ttdef"><b>Definition:</b> <a href="ByteUtilities_8h_source.html#l00034">ByteUtilities.h:34</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html_a0812a0805718c5c0967d4894b7822fe5"><div class="ttname"><a href="classripple_1_1SlabAllocator.html#a0812a0805718c5c0967d4894b7822fe5">ripple::SlabAllocator::SlabAllocator</a></div><div class="ttdeci">constexpr SlabAllocator(std::size_t extra, std::size_t alloc=0, std::size_t align=0)</div><div class="ttdoc">Constructs a slab allocator able to allocate objects of a fixed size.</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00167">SlabAllocator.h:167</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html_a6d6d7d449e67409f252d02bdf3af20fe"><div class="ttname"><a href="classripple_1_1SlabAllocator.html#a6d6d7d449e67409f252d02bdf3af20fe">ripple::SlabAllocator::size</a></div><div class="ttdeci">constexpr std::size_t size() const noexcept</div><div class="ttdoc">Returns the size of the memory block this allocator returns.</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00196">SlabAllocator.h:196</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html_aa696ee1e381a40ca0e52a1ad5632f866"><div class="ttname"><a href="classripple_1_1SlabAllocator.html#aa696ee1e381a40ca0e52a1ad5632f866">ripple::SlabAllocator::deallocate</a></div><div class="ttdeci">bool deallocate(std::uint8_t *ptr) noexcept</div><div class="ttdoc">Returns the memory block to the allocator.</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00284">SlabAllocator.h:284</a></div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_a8db542e10fce31f924163e4cc3d04a62"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a8db542e10fce31f924163e4cc3d04a62">ripple::SlabAllocator::SlabBlock::p_</a></div><div class="ttdeci">std::uint8_t const *const p_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00062">SlabAllocator.h:62</a></div></div>
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<div class="ttc" id="acstdint_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a></div></div>
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<div class="ttc" id="aruntime_error_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/error/runtime_error.html">std::runtime_error</a></div><div class="ttdoc">STL class.</div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_a1c8358e65cf81019737a66dffe0887af"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a1c8358e65cf81019737a66dffe0887af">ripple::SlabAllocator::SlabBlock::next_</a></div><div class="ttdeci">SlabBlock * next_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00059">SlabAllocator.h:59</a></div></div>
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<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a></div></div>
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<div class="ttc" id="aatomic_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/atomic.html">atomic</a></div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_a531411f3231aa0ae9aa735da7c739ce4"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a531411f3231aa0ae9aa735da7c739ce4">ripple::SlabAllocator::SlabBlock::m_</a></div><div class="ttdeci">std::mutex m_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00053">SlabAllocator.h:53</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html_a5cc7348d160d7314917bffc8e37f3950"><div class="ttname"><a href="classripple_1_1SlabAllocator.html#a5cc7348d160d7314917bffc8e37f3950">ripple::SlabAllocator::itemSize_</a></div><div class="ttdeci">const std::size_t itemSize_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00153">SlabAllocator.h:153</a></div></div>
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<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html_a43fdadd5f4c98fc1d6185502bd33cd6d"><div class="ttname"><a href="classripple_1_1SlabAllocator.html#a43fdadd5f4c98fc1d6185502bd33cd6d">ripple::SlabAllocator::allocate</a></div><div class="ttdeci">std::uint8_t * allocate() noexcept</div><div class="ttdoc">Returns a suitably aligned pointer, if one is available.</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00207">SlabAllocator.h:207</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_html_a7e3c9651574fa345c32d8de9451e07aa"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet.html#a7e3c9651574fa345c32d8de9451e07aa">ripple::SlabAllocatorSet::allocators_</a></div><div class="ttdeci">boost::container::static_vector< SlabAllocator< Type >, 64 > allocators_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00307">SlabAllocator.h:307</a></div></div>
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<div class="ttc" id="abegin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/begin.html">std::begin</a></div><div class="ttdeci">T begin(T... args)</div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_adfeb156b3aabe7e20995c2ef0291829d"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#adfeb156b3aabe7e20995c2ef0291829d">ripple::SlabAllocator::SlabBlock::~SlabBlock</a></div><div class="ttdeci">~SlabBlock()</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00085">SlabAllocator.h:85</a></div></div>
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<div class="ttc" id="acassert_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cassert.html">cassert</a></div></div>
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<div class="ttc" id="aadjacent_find_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/adjacent_find.html">std::adjacent_find</a></div><div class="ttdeci">T adjacent_find(T... args)</div></div>
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<div class="ttc" id="amutex_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/mutex.html">mutex</a></div></div>
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<div class="ttc" id="asize_t_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div></div>
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<div class="ttc" id="aend_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/iterator/end.html">std::end</a></div><div class="ttdeci">T end(T... args)</div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html_a123a4e4cc4cb29e26fa7db207536cfb1"><div class="ttname"><a href="classripple_1_1SlabAllocator.html#a123a4e4cc4cb29e26fa7db207536cfb1">ripple::SlabAllocator::slabSize_</a></div><div class="ttdeci">const std::size_t slabSize_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00156">SlabAllocator.h:156</a></div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html">ripple::SlabAllocator::SlabBlock</a></div><div class="ttdoc">A block of memory that is owned by a slab allocator.</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00050">SlabAllocator.h:50</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_html_a41f6365b75ec1f8507f475b7285363af"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet.html#a41f6365b75ec1f8507f475b7285363af">ripple::SlabAllocatorSet::~SlabAllocatorSet</a></div><div class="ttdeci">~SlabAllocatorSet()</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00372">SlabAllocator.h:372</a></div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_ae86708a8fd44754f5955cae59a42d0ae"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#ae86708a8fd44754f5955cae59a42d0ae">ripple::SlabAllocator::SlabBlock::l_</a></div><div class="ttdeci">std::uint8_t * l_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00056">SlabAllocator.h:56</a></div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_a54b6414aac76d5d3fc6f292038bc088c"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a54b6414aac76d5d3fc6f292038bc088c">ripple::SlabAllocator::SlabBlock::size_</a></div><div class="ttdeci">const std::size_t size_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00065">SlabAllocator.h:65</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_html"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet.html">ripple::SlabAllocatorSet</a></div><div class="ttdoc">A collection of slab allocators of various sizes for a given type.</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00303">SlabAllocator.h:303</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocator_html"><div class="ttname"><a href="classripple_1_1SlabAllocator.html">ripple::SlabAllocator</a></div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00041">SlabAllocator.h:41</a></div></div>
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<div class="ttc" id="astructripple_1_1SlabAllocator_1_1SlabBlock_html_a409c00d0fe510a88ca67b807fbed216c"><div class="ttname"><a href="structripple_1_1SlabAllocator_1_1SlabBlock.html#a409c00d0fe510a88ca67b807fbed216c">ripple::SlabAllocator::SlabBlock::allocate</a></div><div class="ttdeci">std::uint8_t * allocate() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00108">SlabAllocator.h:108</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_html_a4895e2fb1cc2a14b851347f9fb0696a7"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet.html#a4895e2fb1cc2a14b851347f9fb0696a7">ripple::SlabAllocatorSet::SlabAllocatorSet</a></div><div class="ttdeci">constexpr SlabAllocatorSet(std::vector< SlabConfig > cfg)</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00331">SlabAllocator.h:331</a></div></div>
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<div class="ttc" id="aclassripple_1_1SlabAllocatorSet_html_a96e56f2b07cb747c0ec4a7ff3b79e1a5"><div class="ttname"><a href="classripple_1_1SlabAllocatorSet.html#a96e56f2b07cb747c0ec4a7ff3b79e1a5">ripple::SlabAllocatorSet::maxSize_</a></div><div class="ttdeci">std::size_t maxSize_</div><div class="ttdef"><b>Definition:</b> <a href="SlabAllocator_8h_source.html#l00309">SlabAllocator.h:309</a></div></div>
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