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| <div class="title">thread-pool.h</div> </div> |
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| <div class="contents"> |
| <a href="thread-pool_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 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</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">#ifndef IMPALA_UTIL_THREAD_POOL_H</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="preprocessor">#define IMPALA_UTIL_THREAD_POOL_H</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="blocking-queue_8h.html">util/blocking-queue.h</a>"</span></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">#include <boost/thread/mutex.hpp></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <boost/bind/mem_fn.hpp></span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="thread_8h.html">util/thread.h</a>"</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>impala {</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html"> 30</a></span> <span class="keyword">class </span><a class="code" href="classimpala_1_1ThreadPool.html">ThreadPool</a> {</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a55217d2b4b33f54c8e76591cfb31d825"> 35</a></span>  <span class="keyword">typedef</span> boost::function<void (int thread_id, const T& workitem)> <a class="code" href="classimpala_1_1ThreadPool.html#a55217d2b4b33f54c8e76591cfb31d825">WorkFunction</a>;</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div> |
| <div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a2974595a8fc27a1faa83918ad6768fcb"> 43</a></span>  <a class="code" href="classimpala_1_1ThreadPool.html#a2974595a8fc27a1faa83918ad6768fcb">ThreadPool</a>(<span class="keyword">const</span> std::string& group, <span class="keyword">const</span> std::string& thread_prefix,</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  uint32_t num_threads, uint32_t queue_size, <span class="keyword">const</span> <a class="code" href="classimpala_1_1ThreadPool.html#a55217d2b4b33f54c8e76591cfb31d825">WorkFunction</a>& work_function)</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  : <a class="code" href="classimpala_1_1ThreadPool.html#acd027c04e812bcab00288f599e986e2a">work_function_</a>(work_function),</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classimpala_1_1ThreadPool.html#a2ad44d809c0fefc3e4ed2746ccb56ccc">work_queue_</a>(queue_size),</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="classimpala_1_1ThreadPool.html#a7bfaff16c63ef1834d8bec0af744d3a2">shutdown_</a>(false) {</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_threads; ++i) {</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  std::stringstream threadname;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  threadname << thread_prefix << <span class="stringliteral">"("</span> << i + 1 << <span class="stringliteral">":"</span> << num_threads << <span class="stringliteral">")"</span>;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classimpala_1_1ThreadPool.html#a3ef3c8559213aae929c959d0b1108595">threads_</a>.<a class="code" href="classimpala_1_1ThreadGroup.html#a904906f6e646b111636c937a0d58b4f3">AddThread</a>(<span class="keyword">new</span> <a class="code" href="classimpala_1_1Thread.html">Thread</a>(group, threadname.str(),</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  boost::bind<void>(boost::mem_fn(&<a class="code" href="classimpala_1_1ThreadPool.html">ThreadPool<T>::WorkerThread</a>), <span class="keyword">this</span>, i)));</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a4706f345ad2960828d1ba8e85e354cbe"> 58</a></span>  <a class="code" href="classimpala_1_1ThreadPool.html#a4706f345ad2960828d1ba8e85e354cbe">~ThreadPool</a>() {</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="classimpala_1_1ThreadPool.html#a975e68407cf50e91cdc5799c7186b354">Shutdown</a>();</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="classimpala_1_1ThreadPool.html#ae3a86555fd63420983570d3d2c96f07f">Join</a>();</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="l00065"></a><span class="lineno"> 65</span>  <span class="comment">//</span></div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"></span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a75682f35484cefb709010263473dadf5"> 74</a></span> <span class="comment"></span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1ThreadPool.html#a75682f35484cefb709010263473dadf5">Offer</a>(<span class="keyword">const</span> T& work) {</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1ThreadPool.html#a2ad44d809c0fefc3e4ed2746ccb56ccc">work_queue_</a>.BlockingPut(work);</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> </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a975e68407cf50e91cdc5799c7186b354"> 82</a></span>  <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ThreadPool.html#a975e68407cf50e91cdc5799c7186b354">Shutdown</a>() {</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  boost::lock_guard<boost::mutex> l(<a class="code" href="classimpala_1_1ThreadPool.html#afa35421e60414241dadfa25106caa054">lock_</a>);</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="classimpala_1_1ThreadPool.html#a7bfaff16c63ef1834d8bec0af744d3a2">shutdown_</a> = <span class="keyword">true</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>  <a class="code" href="classimpala_1_1ThreadPool.html#a2ad44d809c0fefc3e4ed2746ccb56ccc">work_queue_</a>.Shutdown();</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div> |
| <div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#ae3a86555fd63420983570d3d2c96f07f"> 92</a></span>  <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ThreadPool.html#ae3a86555fd63420983570d3d2c96f07f">Join</a>() {</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classimpala_1_1ThreadPool.html#a3ef3c8559213aae929c959d0b1108595">threads_</a>.<a class="code" href="classimpala_1_1ThreadGroup.html#a3a126bacbbb2ae42bcb86494287a6a2f">JoinAll</a>();</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> </div> |
| <div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a61028eededb8cc2442f8d0d37847373b"> 96</a></span>  uint32_t <a class="code" href="classimpala_1_1ThreadPool.html#a61028eededb8cc2442f8d0d37847373b">GetQueueSize</a>()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1ThreadPool.html#a2ad44d809c0fefc3e4ed2746ccb56ccc">work_queue_</a>.GetSize();</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> |
| <div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a524aab387f0394a3e051b75059754554"> 103</a></span>  <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ThreadPool.html#a524aab387f0394a3e051b75059754554">DrainAndShutdown</a>() {</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  {</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  boost::unique_lock<boost::mutex> l(<a class="code" href="classimpala_1_1ThreadPool.html#afa35421e60414241dadfa25106caa054">lock_</a>);</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">while</span> (<a class="code" href="classimpala_1_1ThreadPool.html#a2ad44d809c0fefc3e4ed2746ccb56ccc">work_queue_</a>.GetSize() != 0) {</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="classimpala_1_1ThreadPool.html#a91eace59115da8aba06e179dc8ed57b8">empty_cv_</a>.wait(l);</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</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>  <a class="code" href="classimpala_1_1ThreadPool.html#a975e68407cf50e91cdc5799c7186b354">Shutdown</a>();</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="classimpala_1_1ThreadPool.html#ae3a86555fd63420983570d3d2c96f07f">Join</a>();</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> |
| <div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a498e29ccf4d9ddde269f981d043458a9"> 114</a></span>  <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1ThreadPool.html#a498e29ccf4d9ddde269f981d043458a9">AssignToCgroup</a>(<span class="keyword">const</span> std::string& cgroup) {</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1ThreadPool.html#a3ef3c8559213aae929c959d0b1108595">threads_</a>.<a class="code" href="classimpala_1_1ThreadGroup.html#a7987df54f6ec94269cb9e8de7ff1d42e">SetCgroup</a>(cgroup);</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</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>  <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a65dc1598211ca45019dbe2872f0707ba"> 121</a></span>  <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ThreadPool.html#a65dc1598211ca45019dbe2872f0707ba">WorkerThread</a>(<span class="keywordtype">int</span> thread_id) {</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">while</span> (!<a class="code" href="classimpala_1_1ThreadPool.html#a984bbba0206eae50a74c1904e2f6a91a">IsShutdown</a>()) {</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  T workitem;</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1ThreadPool.html#a2ad44d809c0fefc3e4ed2746ccb56ccc">work_queue_</a>.BlockingGet(&workitem)) {</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="classimpala_1_1ThreadPool.html#acd027c04e812bcab00288f599e986e2a">work_function_</a>(thread_id, workitem);</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1ThreadPool.html#a2ad44d809c0fefc3e4ed2746ccb56ccc">work_queue_</a>.GetSize() == 0) {</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  boost::unique_lock<boost::mutex> l(<a class="code" href="classimpala_1_1ThreadPool.html#afa35421e60414241dadfa25106caa054">lock_</a>);</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="classimpala_1_1ThreadPool.html#a91eace59115da8aba06e179dc8ed57b8">empty_cv_</a>.notify_all();</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</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>  }</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div> |
| <div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a984bbba0206eae50a74c1904e2f6a91a"> 138</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1ThreadPool.html#a984bbba0206eae50a74c1904e2f6a91a">IsShutdown</a>() {</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  boost::lock_guard<boost::mutex> l(<a class="code" href="classimpala_1_1ThreadPool.html#afa35421e60414241dadfa25106caa054">lock_</a>);</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1ThreadPool.html#a7bfaff16c63ef1834d8bec0af744d3a2">shutdown_</a>;</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="l00144"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#acd027c04e812bcab00288f599e986e2a"> 144</a></span>  <a class="code" href="classimpala_1_1ThreadPool.html#a55217d2b4b33f54c8e76591cfb31d825">WorkFunction</a> <a class="code" href="classimpala_1_1ThreadPool.html#acd027c04e812bcab00288f599e986e2a">work_function_</a>;</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div> |
| <div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a2ad44d809c0fefc3e4ed2746ccb56ccc"> 148</a></span>  <a class="code" href="classimpala_1_1BlockingQueue.html">BlockingQueue<T></a> <a class="code" href="classimpala_1_1ThreadPool.html#a2ad44d809c0fefc3e4ed2746ccb56ccc">work_queue_</a>;</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div> |
| <div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a3ef3c8559213aae929c959d0b1108595"> 151</a></span>  <a class="code" href="classimpala_1_1ThreadGroup.html">ThreadGroup</a> <a class="code" href="classimpala_1_1ThreadPool.html#a3ef3c8559213aae929c959d0b1108595">threads_</a>;</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> |
| <div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#afa35421e60414241dadfa25106caa054"> 154</a></span>  boost::mutex <a class="code" href="classimpala_1_1ThreadPool.html#afa35421e60414241dadfa25106caa054">lock_</a>;</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div> |
| <div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a7bfaff16c63ef1834d8bec0af744d3a2"> 157</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1ThreadPool.html#a7bfaff16c63ef1834d8bec0af744d3a2">shutdown_</a>;</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div> |
| <div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="classimpala_1_1ThreadPool.html#a91eace59115da8aba06e179dc8ed57b8"> 160</a></span>  boost::condition_variable <a class="code" href="classimpala_1_1ThreadPool.html#a91eace59115da8aba06e179dc8ed57b8">empty_cv_</a>;</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> }</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> <span class="preprocessor">#endif</span></div> |
| <div class="ttc" id="classimpala_1_1ThreadGroup_html_a7987df54f6ec94269cb9e8de7ff1d42e"><div class="ttname"><a href="classimpala_1_1ThreadGroup.html#a7987df54f6ec94269cb9e8de7ff1d42e">impala::ThreadGroup::SetCgroup</a></div><div class="ttdeci">Status SetCgroup(const std::string &cgroup)</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00333">thread.cc:333</a></div></div> |
| <div class="ttc" id="classimpala_1_1Thread_html"><div class="ttname"><a href="classimpala_1_1Thread.html">impala::Thread</a></div><div class="ttdoc">TODO: Consider allowing fragment IDs as category parameters. </div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00045">thread.h:45</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a4706f345ad2960828d1ba8e85e354cbe"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a4706f345ad2960828d1ba8e85e354cbe">impala::ThreadPool::~ThreadPool</a></div><div class="ttdeci">~ThreadPool()</div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00058">thread-pool.h:58</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a3ef3c8559213aae929c959d0b1108595"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a3ef3c8559213aae929c959d0b1108595">impala::ThreadPool::threads_</a></div><div class="ttdeci">ThreadGroup threads_</div><div class="ttdoc">Collection of worker threads that process work from the queue. </div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00151">thread-pool.h:151</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a65dc1598211ca45019dbe2872f0707ba"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a65dc1598211ca45019dbe2872f0707ba">impala::ThreadPool::WorkerThread</a></div><div class="ttdeci">void WorkerThread(int thread_id)</div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00121">thread-pool.h:121</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a524aab387f0394a3e051b75059754554"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a524aab387f0394a3e051b75059754554">impala::ThreadPool::DrainAndShutdown</a></div><div class="ttdeci">void DrainAndShutdown()</div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00103">thread-pool.h:103</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a975e68407cf50e91cdc5799c7186b354"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a975e68407cf50e91cdc5799c7186b354">impala::ThreadPool::Shutdown</a></div><div class="ttdeci">void Shutdown()</div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00082">thread-pool.h:82</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadGroup_html"><div class="ttname"><a href="classimpala_1_1ThreadGroup.html">impala::ThreadGroup</a></div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00161">thread.h:161</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a7bfaff16c63ef1834d8bec0af744d3a2"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a7bfaff16c63ef1834d8bec0af744d3a2">impala::ThreadPool::shutdown_</a></div><div class="ttdeci">bool shutdown_</div><div class="ttdoc">Set to true when threads should stop doing work and terminate. </div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00157">thread-pool.h:157</a></div></div> |
| <div class="ttc" id="thread_8h_html"><div class="ttname"><a href="thread_8h.html">thread.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a75682f35484cefb709010263473dadf5"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a75682f35484cefb709010263473dadf5">impala::ThreadPool::Offer</a></div><div class="ttdeci">bool Offer(const T &work)</div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00074">thread-pool.h:74</a></div></div> |
| <div class="ttc" id="blocking-queue_8h_html"><div class="ttname"><a href="blocking-queue_8h.html">blocking-queue.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1Status_html"><div class="ttname"><a href="classimpala_1_1Status.html">impala::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00081">status.h:81</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a2ad44d809c0fefc3e4ed2746ccb56ccc"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a2ad44d809c0fefc3e4ed2746ccb56ccc">impala::ThreadPool::work_queue_</a></div><div class="ttdeci">BlockingQueue< T > work_queue_</div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00148">thread-pool.h:148</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html"><div class="ttname"><a href="classimpala_1_1ThreadPool.html">impala::ThreadPool</a></div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00030">thread-pool.h:30</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a91eace59115da8aba06e179dc8ed57b8"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a91eace59115da8aba06e179dc8ed57b8">impala::ThreadPool::empty_cv_</a></div><div class="ttdeci">boost::condition_variable empty_cv_</div><div class="ttdoc">Signalled when the queue becomes empty. </div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00160">thread-pool.h:160</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a984bbba0206eae50a74c1904e2f6a91a"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a984bbba0206eae50a74c1904e2f6a91a">impala::ThreadPool::IsShutdown</a></div><div class="ttdeci">bool IsShutdown()</div><div class="ttdoc">Returns value of shutdown_ under a lock, forcing visibility to threads in the pool. </div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00138">thread-pool.h:138</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a61028eededb8cc2442f8d0d37847373b"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a61028eededb8cc2442f8d0d37847373b">impala::ThreadPool::GetQueueSize</a></div><div class="ttdeci">uint32_t GetQueueSize() const </div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00096">thread-pool.h:96</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a2974595a8fc27a1faa83918ad6768fcb"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a2974595a8fc27a1faa83918ad6768fcb">impala::ThreadPool::ThreadPool</a></div><div class="ttdeci">ThreadPool(const std::string &group, const std::string &thread_prefix, uint32_t num_threads, uint32_t queue_size, const WorkFunction &work_function)</div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00043">thread-pool.h:43</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_ae3a86555fd63420983570d3d2c96f07f"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#ae3a86555fd63420983570d3d2c96f07f">impala::ThreadPool::Join</a></div><div class="ttdeci">void Join()</div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00092">thread-pool.h:92</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a55217d2b4b33f54c8e76591cfb31d825"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a55217d2b4b33f54c8e76591cfb31d825">impala::ThreadPool::WorkFunction</a></div><div class="ttdeci">boost::function< void(int thread_id, const T &workitem)> WorkFunction</div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00035">thread-pool.h:35</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadGroup_html_a904906f6e646b111636c937a0d58b4f3"><div class="ttname"><a href="classimpala_1_1ThreadGroup.html#a904906f6e646b111636c937a0d58b4f3">impala::ThreadGroup::AddThread</a></div><div class="ttdeci">Status AddThread(Thread *thread)</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00318">thread.cc:318</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadGroup_html_a3a126bacbbb2ae42bcb86494287a6a2f"><div class="ttname"><a href="classimpala_1_1ThreadGroup.html#a3a126bacbbb2ae42bcb86494287a6a2f">impala::ThreadGroup::JoinAll</a></div><div class="ttdeci">void JoinAll()</div><div class="ttdef"><b>Definition:</b> <a href="thread_8cc_source.html#l00327">thread.cc:327</a></div></div> |
| <div class="ttc" id="classimpala_1_1BlockingQueue_html"><div class="ttname"><a href="classimpala_1_1BlockingQueue.html">impala::BlockingQueue</a></div><div class="ttdef"><b>Definition:</b> <a href="blocking-queue_8h_source.html#l00034">blocking-queue.h:34</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_afa35421e60414241dadfa25106caa054"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#afa35421e60414241dadfa25106caa054">impala::ThreadPool::lock_</a></div><div class="ttdeci">boost::mutex lock_</div><div class="ttdoc">Guards shutdown_ and empty_cv_. </div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00154">thread-pool.h:154</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_acd027c04e812bcab00288f599e986e2a"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#acd027c04e812bcab00288f599e986e2a">impala::ThreadPool::work_function_</a></div><div class="ttdeci">WorkFunction work_function_</div><div class="ttdoc">User-supplied method to call to process each work item. </div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00144">thread-pool.h:144</a></div></div> |
| <div class="ttc" id="classimpala_1_1ThreadPool_html_a498e29ccf4d9ddde269f981d043458a9"><div class="ttname"><a href="classimpala_1_1ThreadPool.html#a498e29ccf4d9ddde269f981d043458a9">impala::ThreadPool::AssignToCgroup</a></div><div class="ttdeci">Status AssignToCgroup(const std::string &cgroup)</div><div class="ttdef"><b>Definition:</b> <a href="thread-pool_8h_source.html#l00114">thread-pool.h:114</a></div></div> |
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