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<a href="sync_8cpp.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) 2011-2015 The Bitcoin Core developers</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Distributed under the MIT software license, see the accompanying</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// file COPYING or http://www.opensource.org/licenses/mit-license.php.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "<a class="code" href="sync_8h.html">sync.h</a>"</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "<a class="code" href="util_8h.html">util.h</a>"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "<a class="code" href="utilstrencodings_8h.html">utilstrencodings.h</a>"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <boost/foreach.hpp></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <boost/thread.hpp></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifdef DEBUG_LOCKCONTENTION</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keywordtype">void</span> PrintLockContention(<span class="keyword">const</span> <span class="keywordtype">char</span>* pszName, <span class="keyword">const</span> <span class="keywordtype">char</span>* pszFile, <span class="keywordtype">int</span> nLine)</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <a class="code" href="util_8h.html#afc02c0a4258fedfb316be612bb659ba8">LogPrintf</a>(<span class="stringliteral">"LOCKCONTENTION: %s Locker: %s:%d\n"</span>, pszName, pszFile, nLine);</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> }</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_LOCKCONTENTION */</span><span class="preprocessor"></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifdef DEBUG_LOCKORDER</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">//</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">// Early deadlock detection.</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// Problem being solved:</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// Thread 1 locks A, then B, then C</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// Thread 2 locks D, then C, then A</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// --> may result in deadlock between the two threads, depending on when they run.</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// Solution implemented here:</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Keep track of pairs of locks: (A before B), (A before C), etc.</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Complain if any thread tries to lock in a different order.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">//</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">struct </span>CLockLocation {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  CLockLocation(<span class="keyword">const</span> <span class="keywordtype">char</span>* pszName, <span class="keyword">const</span> <span class="keywordtype">char</span>* pszFile, <span class="keywordtype">int</span> nLine, <span class="keywordtype">bool</span> fTryIn)</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>  mutexName = pszName;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  sourceFile = pszFile;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  sourceLine = nLine;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  fTry = fTryIn;</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>  std::string ToString()<span class="keyword"> const</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> mutexName + <span class="stringliteral">" "</span> + sourceFile + <span class="stringliteral">":"</span> + <a class="code" href="utilstrencodings_8cpp.html#a565b3ea015b133d01dc52b4ec6e45f07">itostr</a>(sourceLine) + (fTry ? <span class="stringliteral">" (TRY)"</span> : <span class="stringliteral">""</span>);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  std::string MutexName()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mutexName; }</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">bool</span> fTry;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  std::string mutexName;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  std::string sourceFile;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">int</span> sourceLine;</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> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">typedef</span> std::vector<std::pair<void*, CLockLocation> > LockStack;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">static</span> boost::mutex dd_mutex;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">static</span> std::map<std::pair<void*, void*>, LockStack> lockorders;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">static</span> boost::thread_specific_ptr<LockStack> lockstack;</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> <span class="keyword">static</span> <span class="keywordtype">void</span> potential_deadlock_detected(<span class="keyword">const</span> std::pair<void*, void*>& mismatch, <span class="keyword">const</span> LockStack& s1, <span class="keyword">const</span> LockStack& s2)</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// We attempt to not assert on probably-not deadlocks by assuming that</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// a try lock will immediately have otherwise bailed if it had</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// failed to get the lock</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// We do this by, for the locks which triggered the potential deadlock,</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// in either lockorder, checking that the second of the two which is locked</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// is only a TRY_LOCK, ignoring locks if they are reentrant.</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">bool</span> firstLocked = <span class="keyword">false</span>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">bool</span> secondLocked = <span class="keyword">false</span>;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">bool</span> onlyMaybeDeadlock = <span class="keyword">false</span>;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  std::string strOutput = <span class="stringliteral">""</span>;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  strOutput += <span class="stringliteral">"POTENTIAL DEADLOCK DETECTED\n"</span>;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  strOutput += <span class="stringliteral">"Previous lock order was:\n"</span>;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  BOOST_FOREACH (<span class="keyword">const</span> <a class="code" href="utilstrencodings_8h.html#aa3052ab82a2ba880ea3e30b3357c8820">PAIRTYPE</a>(<span class="keywordtype">void</span>*, CLockLocation) & i, s2) {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (i.first == mismatch.first) {</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  strOutput += <span class="stringliteral">" (1)"</span>;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (!firstLocked && secondLocked && i.second.fTry)</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  onlyMaybeDeadlock = <span class="keyword">true</span>;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  firstLocked = <span class="keyword">true</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>  <span class="keywordflow">if</span> (i.first == mismatch.second) {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  strOutput += <span class="stringliteral">" (2)"</span>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span> (!secondLocked && firstLocked && i.second.fTry)</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  onlyMaybeDeadlock = <span class="keyword">true</span>;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  secondLocked = <span class="keyword">true</span>;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  strOutput += <a class="code" href="tinyformat_8h.html#a56c674871a61baaad36ad52238c08857">strprintf</a>(<span class="stringliteral">" %s\n"</span>, i.second.ToString().c_str());</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>  firstLocked = <span class="keyword">false</span>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  secondLocked = <span class="keyword">false</span>;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  strOutput += <span class="stringliteral">"Current lock order is:\n"</span>;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  BOOST_FOREACH (<span class="keyword">const</span> <a class="code" href="utilstrencodings_8h.html#aa3052ab82a2ba880ea3e30b3357c8820">PAIRTYPE</a>(<span class="keywordtype">void</span>*, CLockLocation) & i, s1) {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (i.first == mismatch.first) {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  strOutput += <span class="stringliteral">" (1)"</span>;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (!firstLocked && secondLocked && i.second.fTry)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  onlyMaybeDeadlock = <span class="keyword">true</span>;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  firstLocked = <span class="keyword">true</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>  <span class="keywordflow">if</span> (i.first == mismatch.second) {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  strOutput += <span class="stringliteral">" (2)"</span>;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (!secondLocked && firstLocked && i.second.fTry)</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  onlyMaybeDeadlock = <span class="keyword">true</span>;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  secondLocked = <span class="keyword">true</span>;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  strOutput += <a class="code" href="tinyformat_8h.html#a56c674871a61baaad36ad52238c08857">strprintf</a>(<span class="stringliteral">" %s\n"</span>, i.second.ToString().c_str());</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span>(!onlyMaybeDeadlock) {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  printf(<span class="stringliteral">"%s\n"</span>, strOutput.c_str());</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="util_8h.html#afc02c0a4258fedfb316be612bb659ba8">LogPrintf</a>(<span class="stringliteral">"%s\n"</span>, strOutput.c_str());</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  assert(onlyMaybeDeadlock);</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> }</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">static</span> <span class="keywordtype">void</span> push_lock(<span class="keywordtype">void</span>* c, <span class="keyword">const</span> CLockLocation& locklocation, <span class="keywordtype">bool</span> fTry)</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>  <span class="keywordflow">if</span> (lockstack.get() == NULL)</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  lockstack.reset(<span class="keyword">new</span> LockStack);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  dd_mutex.lock();</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  (*lockstack).push_back(std::make_pair(c, locklocation));</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> (!fTry) {</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  BOOST_FOREACH (<span class="keyword">const</span> <a class="code" href="utilstrencodings_8h.html#aa3052ab82a2ba880ea3e30b3357c8820">PAIRTYPE</a>(<span class="keywordtype">void</span>*, CLockLocation) & i, (*lockstack)) {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (i.first == c)</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  std::pair<void*, void*> p1 = std::make_pair(i.first, c);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (lockorders.count(p1))</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  lockorders[p1] = (*lockstack);</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>  std::pair<void*, void*> p2 = std::make_pair(c, i.first);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (lockorders.count(p2))</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  potential_deadlock_detected(p1, lockorders[p2], lockorders[p1]);</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>  }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  dd_mutex.unlock();</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> }</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="keyword">static</span> <span class="keywordtype">void</span> pop_lock()</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  dd_mutex.lock();</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  (*lockstack).pop_back();</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  dd_mutex.unlock();</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> }</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="keywordtype">void</span> <a class="code" href="sync_8h.html#afc02589835b058cee9b180e89ee234c9">EnterCritical</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* pszName, <span class="keyword">const</span> <span class="keywordtype">char</span>* pszFile, <span class="keywordtype">int</span> nLine, <span class="keywordtype">void</span>* cs, <span class="keywordtype">bool</span> fTry)</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>  push_lock(cs, CLockLocation(pszName, pszFile, nLine, fTry), fTry);</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> }</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keywordtype">void</span> <a class="code" href="sync_8h.html#a222f17e7a4e1fb9bb5a36fe9aca460b8">LeaveCritical</a>()</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>  pop_lock();</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> }</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> std::string LocksHeld()</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> {</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  std::string <a class="code" href="namespacerpcuser.html#a637791b4450c02d511291cd297ce12df">result</a>;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  BOOST_FOREACH (<span class="keyword">const</span> <a class="code" href="utilstrencodings_8h.html#aa3052ab82a2ba880ea3e30b3357c8820">PAIRTYPE</a>(<span class="keywordtype">void</span>*, CLockLocation) & i, *lockstack)</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="namespacerpcuser.html#a637791b4450c02d511291cd297ce12df">result</a> += i.second.ToString() + std::string(<span class="stringliteral">"\n"</span>);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> <a class="code" href="namespacerpcuser.html#a637791b4450c02d511291cd297ce12df">result</a>;</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> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keywordtype">void</span> <a class="code" href="sync_8h.html#a02dcb9057e60696179d85668ca6be50e">AssertLockHeldInternal</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* pszName, <span class="keyword">const</span> <span class="keywordtype">char</span>* pszFile, <span class="keywordtype">int</span> nLine, <span class="keywordtype">void</span>* cs)</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>  BOOST_FOREACH (<span class="keyword">const</span> <a class="code" href="utilstrencodings_8h.html#aa3052ab82a2ba880ea3e30b3357c8820">PAIRTYPE</a>(<span class="keywordtype">void</span>*, CLockLocation) & i, *lockstack)</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (i.first == cs)</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  fprintf(<a class="code" href="namespaceoptimize-pngs.html#a98904564b461b52c82b042a4cbe21c0c">stderr</a>, <span class="stringliteral">"Assertion failed: lock %s not held in %s:%i; locks held:\n%s"</span>, pszName, pszFile, nLine, LocksHeld().c_str());</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  abort();</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> }</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_LOCKORDER */</span><span class="preprocessor"></span></div><div class="ttc" id="tinyformat_8h_html_a56c674871a61baaad36ad52238c08857"><div class="ttname"><a href="tinyformat_8h.html#a56c674871a61baaad36ad52238c08857">strprintf</a></div><div class="ttdeci">#define strprintf</div><div class="ttdef"><b>Definition:</b> <a href="tinyformat_8h_source.html#l01011">tinyformat.h:1011</a></div></div>
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<div class="ttc" id="namespaceoptimize-pngs_html_a98904564b461b52c82b042a4cbe21c0c"><div class="ttname"><a href="namespaceoptimize-pngs.html#a98904564b461b52c82b042a4cbe21c0c">optimize-pngs.stderr</a></div><div class="ttdeci">stderr</div><div class="ttdef"><b>Definition:</b> <a href="optimize-pngs_8py_source.html#l00052">optimize-pngs.py:52</a></div></div>
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<div class="ttc" id="utilstrencodings_8h_html"><div class="ttname"><a href="utilstrencodings_8h.html">utilstrencodings.h</a></div></div>
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<div class="ttc" id="sync_8h_html_a02dcb9057e60696179d85668ca6be50e"><div class="ttname"><a href="sync_8h.html#a02dcb9057e60696179d85668ca6be50e">AssertLockHeldInternal</a></div><div class="ttdeci">static void AssertLockHeldInternal(const char *pszName, const char *pszFile, int nLine, void *cs)</div><div class="ttdef"><b>Definition:</b> <a href="sync_8h_source.html#l00094">sync.h:94</a></div></div>
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<div class="ttc" id="util_8h_html"><div class="ttname"><a href="util_8h.html">util.h</a></div></div>
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<div class="ttc" id="sync_8h_html_afc02589835b058cee9b180e89ee234c9"><div class="ttname"><a href="sync_8h.html#afc02589835b058cee9b180e89ee234c9">EnterCritical</a></div><div class="ttdeci">static void EnterCritical(const char *pszName, const char *pszFile, int nLine, void *cs, bool fTry=false)</div><div class="ttdef"><b>Definition:</b> <a href="sync_8h_source.html#l00092">sync.h:92</a></div></div>
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<div class="ttc" id="sync_8h_html_a222f17e7a4e1fb9bb5a36fe9aca460b8"><div class="ttname"><a href="sync_8h.html#a222f17e7a4e1fb9bb5a36fe9aca460b8">LeaveCritical</a></div><div class="ttdeci">static void LeaveCritical()</div><div class="ttdef"><b>Definition:</b> <a href="sync_8h_source.html#l00093">sync.h:93</a></div></div>
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<div class="ttc" id="sync_8h_html"><div class="ttname"><a href="sync_8h.html">sync.h</a></div></div>
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<div class="ttc" id="utilstrencodings_8h_html_aa3052ab82a2ba880ea3e30b3357c8820"><div class="ttname"><a href="utilstrencodings_8h.html#aa3052ab82a2ba880ea3e30b3357c8820">PAIRTYPE</a></div><div class="ttdeci">#define PAIRTYPE(t1, t2)</div><div class="ttdef"><b>Definition:</b> <a href="utilstrencodings_8h_source.html#l00023">utilstrencodings.h:23</a></div></div>
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<div class="ttc" id="utilstrencodings_8cpp_html_a565b3ea015b133d01dc52b4ec6e45f07"><div class="ttname"><a href="utilstrencodings_8cpp.html#a565b3ea015b133d01dc52b4ec6e45f07">itostr</a></div><div class="ttdeci">std::string itostr(int n)</div><div class="ttdef"><b>Definition:</b> <a href="utilstrencodings_8cpp_source.html#l00518">utilstrencodings.cpp:518</a></div></div>
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<div class="ttc" id="namespacerpcuser_html_a637791b4450c02d511291cd297ce12df"><div class="ttname"><a href="namespacerpcuser.html#a637791b4450c02d511291cd297ce12df">rpcuser.result</a></div><div class="ttdeci">result</div><div class="ttdef"><b>Definition:</b> <a href="rpcuser_8py_source.html#l00037">rpcuser.py:37</a></div></div>
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