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<a href="pagelocker_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright (c) 2009-2010 Satoshi Nakamoto</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright (c) 2009-2015 The Bitcoin Core developers</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Distributed under the MIT software license, see the accompanying</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// file COPYING or http://www.opensource.org/licenses/mit-license.php.</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#ifndef BITCOIN_SUPPORT_PAGELOCKER_H</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#define BITCOIN_SUPPORT_PAGELOCKER_H</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "<a class="code" href="cleanse_8h.html">support/cleanse.h</a>"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <map></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/thread/mutex.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <boost/thread/once.hpp></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">template</span> <<span class="keyword">class</span> Locker></div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html"> 28</a></span> <span class="keyword">class </span><a class="code" href="classLockedPageManagerBase.html">LockedPageManagerBase</a></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html#ad1974eafb41a3cae3358e34b7896419a"> 31</a></span>  <a class="code" href="classLockedPageManagerBase.html#ad1974eafb41a3cae3358e34b7896419a">LockedPageManagerBase</a>(<span class="keywordtype">size_t</span> <a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a>) : <a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a>(<a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a>)</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="comment">// Determine bitmask for extracting page from address</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  assert(!(<a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a> & (<a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a> - 1))); <span class="comment">// size must be power of two</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="classLockedPageManagerBase.html#a66c97623d29545b8c8b49161079d9c4f">page_mask</a> = ~(<a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a> - 1);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html#af57e9c9ea40884e105b25415148ee1d6"> 38</a></span>  <a class="code" href="classLockedPageManagerBase.html#af57e9c9ea40884e105b25415148ee1d6">~LockedPageManagerBase</a>()</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// For all pages in affected range, increase lock count</span></div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html#ae24ac08899505b892d451404133fa494"> 44</a></span>  <span class="keywordtype">void</span> <a class="code" href="classLockedPageManagerBase.html#ae24ac08899505b892d451404133fa494">LockRange</a>(<span class="keywordtype">void</span>* <a class="code" href="namespacerpc-tests.html#a5634cc986fc764eff8c617f53bf2e8dc">p</a>, <span class="keywordtype">size_t</span> size)</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  boost::mutex::scoped_lock lock(<a class="code" href="classLockedPageManagerBase.html#aad524407f30c493f2053147a5b00befe">mutex</a>);</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">if</span> (!size)</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> base_addr = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(<a class="code" href="namespacerpc-tests.html#a5634cc986fc764eff8c617f53bf2e8dc">p</a>);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> start_page = base_addr & <a class="code" href="classLockedPageManagerBase.html#a66c97623d29545b8c8b49161079d9c4f">page_mask</a>;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> end_page = (base_addr + size - 1) & <a class="code" href="classLockedPageManagerBase.html#a66c97623d29545b8c8b49161079d9c4f">page_mask</a>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> page = start_page; page <= end_page; page += <a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a>) {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  Histogram::iterator it = <a class="code" href="classLockedPageManagerBase.html#aeefe329fc52ffa918d3a2447a3afe44f">histogram</a>.find(page);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (it == <a class="code" href="classLockedPageManagerBase.html#aeefe329fc52ffa918d3a2447a3afe44f">histogram</a>.end()) <span class="comment">// Newly locked page</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="classLockedPageManagerBase.html#ae0994649da9e34eea0fc730906d344ee">locker</a>.Lock(reinterpret_cast<void*>(page), <a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a>);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="classLockedPageManagerBase.html#aeefe329fc52ffa918d3a2447a3afe44f">histogram</a>.insert(std::make_pair(page, 1));</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  } <span class="keywordflow">else</span> <span class="comment">// Page was already locked; increase counter</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  it->second += 1;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// For all pages in affected range, decrease lock count</span></div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html#a34bcf7b9120295ed178fe9545ed229af"> 66</a></span>  <span class="keywordtype">void</span> <a class="code" href="classLockedPageManagerBase.html#a34bcf7b9120295ed178fe9545ed229af">UnlockRange</a>(<span class="keywordtype">void</span>* <a class="code" href="namespacerpc-tests.html#a5634cc986fc764eff8c617f53bf2e8dc">p</a>, <span class="keywordtype">size_t</span> size)</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  boost::mutex::scoped_lock lock(<a class="code" href="classLockedPageManagerBase.html#aad524407f30c493f2053147a5b00befe">mutex</a>);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (!size)</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> base_addr = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(<a class="code" href="namespacerpc-tests.html#a5634cc986fc764eff8c617f53bf2e8dc">p</a>);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> start_page = base_addr & <a class="code" href="classLockedPageManagerBase.html#a66c97623d29545b8c8b49161079d9c4f">page_mask</a>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> end_page = (base_addr + size - 1) & <a class="code" href="classLockedPageManagerBase.html#a66c97623d29545b8c8b49161079d9c4f">page_mask</a>;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> page = start_page; page <= end_page; page += <a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a>) {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  Histogram::iterator it = <a class="code" href="classLockedPageManagerBase.html#aeefe329fc52ffa918d3a2447a3afe44f">histogram</a>.find(page);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  assert(it != <a class="code" href="classLockedPageManagerBase.html#aeefe329fc52ffa918d3a2447a3afe44f">histogram</a>.end()); <span class="comment">// Cannot unlock an area that was not locked</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// Decrease counter for page, when it is zero, the page will be unlocked</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  it->second -= 1;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (it->second == 0) <span class="comment">// Nothing on the page anymore that keeps it locked</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// Unlock page and remove the count from histogram</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="classLockedPageManagerBase.html#ae0994649da9e34eea0fc730906d344ee">locker</a>.Unlock(reinterpret_cast<void*>(page), <a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a>);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="classLockedPageManagerBase.html#aeefe329fc52ffa918d3a2447a3afe44f">histogram</a>.erase(it);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// Get number of locked pages for diagnostics</span></div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html#a8074f7d1b43cc8dd34b3ba9cdb2eca50"> 89</a></span>  <span class="keywordtype">int</span> <a class="code" href="classLockedPageManagerBase.html#a8074f7d1b43cc8dd34b3ba9cdb2eca50">GetLockedPageCount</a>()</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  boost::mutex::scoped_lock lock(<a class="code" href="classLockedPageManagerBase.html#aad524407f30c493f2053147a5b00befe">mutex</a>);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> <a class="code" href="classLockedPageManagerBase.html#aeefe329fc52ffa918d3a2447a3afe44f">histogram</a>.size();</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html#ae0994649da9e34eea0fc730906d344ee"> 96</a></span>  Locker <a class="code" href="classLockedPageManagerBase.html#ae0994649da9e34eea0fc730906d344ee">locker</a>;</div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html#aad524407f30c493f2053147a5b00befe"> 97</a></span>  boost::mutex <a class="code" href="classLockedPageManagerBase.html#aad524407f30c493f2053147a5b00befe">mutex</a>;</div><div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21"> 98</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">page_size</a>, <a class="code" href="classLockedPageManagerBase.html#a66c97623d29545b8c8b49161079d9c4f">page_mask</a>;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// map of page base address to lock count</span></div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html#adc2b0cb71aad6c2020bd625c7f4b06ab"> 100</a></span>  <span class="keyword">typedef</span> std::map<size_t, int> <a class="code" href="classLockedPageManagerBase.html#adc2b0cb71aad6c2020bd625c7f4b06ab">Histogram</a>;</div><div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classLockedPageManagerBase.html#aeefe329fc52ffa918d3a2447a3afe44f"> 101</a></span>  <a class="code" href="classLockedPageManagerBase.html#adc2b0cb71aad6c2020bd625c7f4b06ab">Histogram</a> <a class="code" href="classLockedPageManagerBase.html#aeefe329fc52ffa918d3a2447a3afe44f">histogram</a>;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> };</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classMemoryPageLocker.html"> 109</a></span> <span class="keyword">class </span><a class="code" href="classMemoryPageLocker.html">MemoryPageLocker</a></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> {</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">bool</span> <a class="code" href="classMemoryPageLocker.html#af411b6f6320864616cdd1b28ba9201fe">Lock</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* addr, <span class="keywordtype">size_t</span> len);</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">bool</span> <a class="code" href="classMemoryPageLocker.html#af9e9ad0edadcd8250db05f95cd6a49a7">Unlock</a>(<span class="keyword">const</span> <span class="keywordtype">void</span>* addr, <span class="keywordtype">size_t</span> len);</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> };</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classLockedPageManager.html"> 133</a></span> <span class="keyword">class </span><a class="code" href="classLockedPageManager.html">LockedPageManager</a> : <span class="keyword">public</span> <a class="code" href="classLockedPageManagerBase.html">LockedPageManagerBase</a><MemoryPageLocker></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="classLockedPageManager.html#ac9b1d42d240dba4714a35fff970b6dde"> 136</a></span>  <span class="keyword">static</span> <a class="code" href="classLockedPageManager.html">LockedPageManager</a>& <a class="code" href="classLockedPageManager.html#ac9b1d42d240dba4714a35fff970b6dde">Instance</a>()</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  {</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  boost::call_once(<a class="code" href="classLockedPageManager.html#a3933ba60669b1c1b0ef03222637257e7">LockedPageManager::CreateInstance</a>, <a class="code" href="classLockedPageManager.html#a081452980235d98b2269c34f094f300e">LockedPageManager::init_flag</a>);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">return</span> *<a class="code" href="classLockedPageManager.html#a28548f50fe302a322444c1cfe2a83487">LockedPageManager::_instance</a>;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="classLockedPageManager.html#a2314ed1fc7851a67384fbc2b3656b259">LockedPageManager</a>();</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="classLockedPageManager.html#a3933ba60669b1c1b0ef03222637257e7"> 145</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classLockedPageManager.html#a3933ba60669b1c1b0ef03222637257e7">CreateInstance</a>()</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// Using a local static instance guarantees that the object is initialized</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// when it's first needed and also deinitialized after all objects that use</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// it are done with it. I can think of one unlikely scenario where we may</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// have a static deinitialization order/problem, but the check in</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// LockedPageManagerBase's destructor helps us detect if that ever happens.</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">static</span> <a class="code" href="classLockedPageManager.html">LockedPageManager</a> instance;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="classLockedPageManager.html#a28548f50fe302a322444c1cfe2a83487">LockedPageManager::_instance</a> = &instance;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classLockedPageManager.html#a28548f50fe302a322444c1cfe2a83487"> 156</a></span>  <span class="keyword">static</span> <a class="code" href="classLockedPageManager.html">LockedPageManager</a>* <a class="code" href="classLockedPageManager.html#a28548f50fe302a322444c1cfe2a83487">_instance</a>;</div><div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="classLockedPageManager.html#a081452980235d98b2269c34f094f300e"> 157</a></span>  <span class="keyword">static</span> boost::once_flag <a class="code" href="classLockedPageManager.html#a081452980235d98b2269c34f094f300e">init_flag</a>;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> };</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">//</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// Functions for directly locking/unlocking memory objects.</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// Intended for non-dynamically allocated structures.</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">//</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00165"></a><span class="lineno"><a class="line" href="pagelocker_8h.html#ab73cc3988a03bed966c0c2bb191a8d2a"> 165</a></span> <span class="keywordtype">void</span> <a class="code" href="pagelocker_8h.html#ab73cc3988a03bed966c0c2bb191a8d2a">LockObject</a>(<span class="keyword">const</span> T& t)</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> {</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="classLockedPageManager.html#ac9b1d42d240dba4714a35fff970b6dde">LockedPageManager::Instance</a>().<a class="code" href="classLockedPageManagerBase.html#ae24ac08899505b892d451404133fa494">LockRange</a>((<span class="keywordtype">void</span>*)(&t), <span class="keyword">sizeof</span>(T));</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> }</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="pagelocker_8h.html#a49577b8da0ecffd2fbc222896283004c"> 171</a></span> <span class="keywordtype">void</span> <a class="code" href="pagelocker_8h.html#a49577b8da0ecffd2fbc222896283004c">UnlockObject</a>(<span class="keyword">const</span> T& t)</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="cleanse_8cpp.html#a5a4afb85dd16ecc1f6019c782db78663">memory_cleanse</a>((<span class="keywordtype">void</span>*)(&t), <span class="keyword">sizeof</span>(T));</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="classLockedPageManager.html#ac9b1d42d240dba4714a35fff970b6dde">LockedPageManager::Instance</a>().<a class="code" href="classLockedPageManagerBase.html#a34bcf7b9120295ed178fe9545ed229af">UnlockRange</a>((<span class="keywordtype">void</span>*)(&t), <span class="keyword">sizeof</span>(T));</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#endif // BITCOIN_SUPPORT_PAGELOCKER_H</span></div><div class="ttc" id="classMemoryPageLocker_html"><div class="ttname"><a href="classMemoryPageLocker.html">MemoryPageLocker</a></div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00109">pagelocker.h:109</a></div></div>
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<div class="ttc" id="classLockedPageManager_html_a28548f50fe302a322444c1cfe2a83487"><div class="ttname"><a href="classLockedPageManager.html#a28548f50fe302a322444c1cfe2a83487">LockedPageManager::_instance</a></div><div class="ttdeci">static LockedPageManager * _instance</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00156">pagelocker.h:156</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_aad524407f30c493f2053147a5b00befe"><div class="ttname"><a href="classLockedPageManagerBase.html#aad524407f30c493f2053147a5b00befe">LockedPageManagerBase::mutex</a></div><div class="ttdeci">boost::mutex mutex</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00097">pagelocker.h:97</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_ae0994649da9e34eea0fc730906d344ee"><div class="ttname"><a href="classLockedPageManagerBase.html#ae0994649da9e34eea0fc730906d344ee">LockedPageManagerBase::locker</a></div><div class="ttdeci">Locker locker</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00096">pagelocker.h:96</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_adc2b0cb71aad6c2020bd625c7f4b06ab"><div class="ttname"><a href="classLockedPageManagerBase.html#adc2b0cb71aad6c2020bd625c7f4b06ab">LockedPageManagerBase::Histogram</a></div><div class="ttdeci">std::map< size_t, int > Histogram</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00100">pagelocker.h:100</a></div></div>
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<div class="ttc" id="classMemoryPageLocker_html_af9e9ad0edadcd8250db05f95cd6a49a7"><div class="ttname"><a href="classMemoryPageLocker.html#af9e9ad0edadcd8250db05f95cd6a49a7">MemoryPageLocker::Unlock</a></div><div class="ttdeci">bool Unlock(const void *addr, size_t len)</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8cpp_source.html#l00059">pagelocker.cpp:59</a></div></div>
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<div class="ttc" id="pagelocker_8h_html_a49577b8da0ecffd2fbc222896283004c"><div class="ttname"><a href="pagelocker_8h.html#a49577b8da0ecffd2fbc222896283004c">UnlockObject</a></div><div class="ttdeci">void UnlockObject(const T &t)</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00171">pagelocker.h:171</a></div></div>
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<div class="ttc" id="classLockedPageManager_html"><div class="ttname"><a href="classLockedPageManager.html">LockedPageManager</a></div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00133">pagelocker.h:133</a></div></div>
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<div class="ttc" id="cleanse_8cpp_html_a5a4afb85dd16ecc1f6019c782db78663"><div class="ttname"><a href="cleanse_8cpp.html#a5a4afb85dd16ecc1f6019c782db78663">memory_cleanse</a></div><div class="ttdeci">void memory_cleanse(void *ptr, size_t len)</div><div class="ttdef"><b>Definition:</b> <a href="cleanse_8cpp_source.html#l00010">cleanse.cpp:10</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_ae24ac08899505b892d451404133fa494"><div class="ttname"><a href="classLockedPageManagerBase.html#ae24ac08899505b892d451404133fa494">LockedPageManagerBase::LockRange</a></div><div class="ttdeci">void LockRange(void *p, size_t size)</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00044">pagelocker.h:44</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_ad1974eafb41a3cae3358e34b7896419a"><div class="ttname"><a href="classLockedPageManagerBase.html#ad1974eafb41a3cae3358e34b7896419a">LockedPageManagerBase::LockedPageManagerBase</a></div><div class="ttdeci">LockedPageManagerBase(size_t page_size)</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00031">pagelocker.h:31</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_af485e095ca992fa134d5a441accfbf21"><div class="ttname"><a href="classLockedPageManagerBase.html#af485e095ca992fa134d5a441accfbf21">LockedPageManagerBase::page_size</a></div><div class="ttdeci">size_t page_size</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00098">pagelocker.h:98</a></div></div>
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<div class="ttc" id="classMemoryPageLocker_html_af411b6f6320864616cdd1b28ba9201fe"><div class="ttname"><a href="classMemoryPageLocker.html#af411b6f6320864616cdd1b28ba9201fe">MemoryPageLocker::Lock</a></div><div class="ttdeci">bool Lock(const void *addr, size_t len)</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8cpp_source.html#l00050">pagelocker.cpp:50</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_a34bcf7b9120295ed178fe9545ed229af"><div class="ttname"><a href="classLockedPageManagerBase.html#a34bcf7b9120295ed178fe9545ed229af">LockedPageManagerBase::UnlockRange</a></div><div class="ttdeci">void UnlockRange(void *p, size_t size)</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00066">pagelocker.h:66</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_a8074f7d1b43cc8dd34b3ba9cdb2eca50"><div class="ttname"><a href="classLockedPageManagerBase.html#a8074f7d1b43cc8dd34b3ba9cdb2eca50">LockedPageManagerBase::GetLockedPageCount</a></div><div class="ttdeci">int GetLockedPageCount()</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00089">pagelocker.h:89</a></div></div>
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<div class="ttc" id="classLockedPageManager_html_a2314ed1fc7851a67384fbc2b3656b259"><div class="ttname"><a href="classLockedPageManager.html#a2314ed1fc7851a67384fbc2b3656b259">LockedPageManager::LockedPageManager</a></div><div class="ttdeci">LockedPageManager()</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8cpp_source.html#l00068">pagelocker.cpp:68</a></div></div>
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<div class="ttc" id="cleanse_8h_html"><div class="ttname"><a href="cleanse_8h.html">cleanse.h</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_af57e9c9ea40884e105b25415148ee1d6"><div class="ttname"><a href="classLockedPageManagerBase.html#af57e9c9ea40884e105b25415148ee1d6">LockedPageManagerBase::~LockedPageManagerBase</a></div><div class="ttdeci">~LockedPageManagerBase()</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00038">pagelocker.h:38</a></div></div>
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<div class="ttc" id="namespacerpc-tests_html_a5634cc986fc764eff8c617f53bf2e8dc"><div class="ttname"><a href="namespacerpc-tests.html#a5634cc986fc764eff8c617f53bf2e8dc">rpc-tests.p</a></div><div class="ttdeci">p</div><div class="ttdef"><b>Definition:</b> <a href="rpc-tests_8py_source.html#l00049">rpc-tests.py:49</a></div></div>
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<div class="ttc" id="classLockedPageManager_html_a3933ba60669b1c1b0ef03222637257e7"><div class="ttname"><a href="classLockedPageManager.html#a3933ba60669b1c1b0ef03222637257e7">LockedPageManager::CreateInstance</a></div><div class="ttdeci">static void CreateInstance()</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00145">pagelocker.h:145</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html"><div class="ttname"><a href="classLockedPageManagerBase.html">LockedPageManagerBase</a></div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00028">pagelocker.h:28</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_a66c97623d29545b8c8b49161079d9c4f"><div class="ttname"><a href="classLockedPageManagerBase.html#a66c97623d29545b8c8b49161079d9c4f">LockedPageManagerBase::page_mask</a></div><div class="ttdeci">size_t page_mask</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00098">pagelocker.h:98</a></div></div>
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<div class="ttc" id="classLockedPageManager_html_ac9b1d42d240dba4714a35fff970b6dde"><div class="ttname"><a href="classLockedPageManager.html#ac9b1d42d240dba4714a35fff970b6dde">LockedPageManager::Instance</a></div><div class="ttdeci">static LockedPageManager & Instance()</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00136">pagelocker.h:136</a></div></div>
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<div class="ttc" id="classLockedPageManager_html_a081452980235d98b2269c34f094f300e"><div class="ttname"><a href="classLockedPageManager.html#a081452980235d98b2269c34f094f300e">LockedPageManager::init_flag</a></div><div class="ttdeci">static boost::once_flag init_flag</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00157">pagelocker.h:157</a></div></div>
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<div class="ttc" id="classLockedPageManagerBase_html_aeefe329fc52ffa918d3a2447a3afe44f"><div class="ttname"><a href="classLockedPageManagerBase.html#aeefe329fc52ffa918d3a2447a3afe44f">LockedPageManagerBase::histogram</a></div><div class="ttdeci">Histogram histogram</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00101">pagelocker.h:101</a></div></div>
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<div class="ttc" id="pagelocker_8h_html_ab73cc3988a03bed966c0c2bb191a8d2a"><div class="ttname"><a href="pagelocker_8h.html#ab73cc3988a03bed966c0c2bb191a8d2a">LockObject</a></div><div class="ttdeci">void LockObject(const T &t)</div><div class="ttdef"><b>Definition:</b> <a href="pagelocker_8h_source.html#l00165">pagelocker.h:165</a></div></div>
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.14 </li>
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