http://git-wip-us.apache.org/repos/asf/mesos-site/blob/8c3db950/content/api/latest/c++/future_8hpp_source.html ---------------------------------------------------------------------- diff --git a/content/api/latest/c++/future_8hpp_source.html b/content/api/latest/c++/future_8hpp_source.html index cd1d723..3c373a6 100644 --- a/content/api/latest/c++/future_8hpp_source.html +++ b/content/api/latest/c++/future_8hpp_source.html @@ -934,857 +934,856 @@ <div class="line"><a name="l00880"></a><span class="lineno"> 880</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> <div class="line"><a name="l00881"></a><span class="lineno"> 881</span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Promise.html#a8f50fcfd7ddb6dd39ec2cd468377cd5d">Promise<T>::discard</a>(Future<T> future)</div> <div class="line"><a name="l00882"></a><span class="lineno"> 882</span> {</div> -<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  std::shared_ptr<typename Future<T>::Data> data = future.data;</div> +<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="keywordtype">bool</span> result = <span class="keyword">false</span>;</div> <div class="line"><a name="l00884"></a><span class="lineno"> 884</span> </div> -<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keywordtype">bool</span> result = <span class="keyword">false</span>;</div> -<div class="line"><a name="l00886"></a><span class="lineno"> 886</span> </div> -<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="keyword">synchronized</span> (data->lock) {</div> -<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="keywordflow">if</span> (data->state == Future<T>::PENDING) {</div> -<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  data->state = Future<T>::DISCARDED;</div> -<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  result = <span class="keyword">true</span>;</div> -<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  }</div> -<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  }</div> -<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> </div> -<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="comment">// Invoke all callbacks associated with this future being</span></div> -<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  <span class="comment">// DISCARDED. We don't need a lock because the state is now in</span></div> -<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  <span class="comment">// DISCARDED so there should not be any concurrent modifications.</span></div> -<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  <span class="keywordflow">if</span> (result) {</div> -<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <a class="code" href="namespaceprocess_1_1internal.html#a7ab45b8fc1010b947a370e51b463e82f">internal::run</a>(future.data->onDiscardedCallbacks);</div> -<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <a class="code" href="namespaceprocess_1_1internal.html#a7ab45b8fc1010b947a370e51b463e82f">internal::run</a>(future.data->onAnyCallbacks, future);</div> -<div class="line"><a name="l00900"></a><span class="lineno"> 900</span> </div> -<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  future.data->clearAllCallbacks();</div> -<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  }</div> +<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keyword">synchronized</span> (future.data->lock) {</div> +<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keywordflow">if</span> (future.data->state == Future<T>::PENDING) {</div> +<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  future.data->state = Future<T>::DISCARDED;</div> +<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  result = <span class="keyword">true</span>;</div> +<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  }</div> +<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  }</div> +<div class="line"><a name="l00891"></a><span class="lineno"> 891</span> </div> +<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="comment">// Invoke all callbacks associated with this future being</span></div> +<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  <span class="comment">// DISCARDED. We don't need a lock because the state is now in</span></div> +<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="comment">// DISCARDED so there should not be any concurrent modifications to</span></div> +<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  <span class="comment">// the callbacks.</span></div> +<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  <span class="keywordflow">if</span> (result) {</div> +<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  <span class="comment">// NOTE: we rely on the fact that we have `future` to protect</span></div> +<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <span class="comment">// ourselves from one of the callbacks erroneously deleting the</span></div> +<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <span class="comment">// future. In `Future::_set()` and `Future::fail()` we have to</span></div> +<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  <span class="comment">// explicitly take a copy to protect ourselves.</span></div> +<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <a class="code" href="namespaceprocess_1_1internal.html#a7ab45b8fc1010b947a370e51b463e82f">internal::run</a>(future.data->onDiscardedCallbacks);</div> +<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <a class="code" href="namespaceprocess_1_1internal.html#a7ab45b8fc1010b947a370e51b463e82f">internal::run</a>(future.data->onAnyCallbacks, future);</div> <div class="line"><a name="l00903"></a><span class="lineno"> 903</span> </div> -<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <span class="keywordflow">return</span> result;</div> -<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> }</div> +<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  future.data->clearAllCallbacks();</div> +<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  }</div> <div class="line"><a name="l00906"></a><span class="lineno"> 906</span> </div> -<div class="line"><a name="l00907"></a><span class="lineno"> 907</span> </div> -<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00909"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ac24932d40d46827beb624695ff08a428"> 909</a></span> <a class="code" href="classprocess_1_1Future.html">Future<T></a> <a class="code" href="classprocess_1_1Future.html#ac24932d40d46827beb624695ff08a428">Future<T>::failed</a>(<span class="keyword">const</span> std::string& message)</div> -<div class="line"><a name="l00910"></a><span class="lineno"> 910</span> {</div> -<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <a class="code" href="classprocess_1_1Future.html">Future<T></a> future;</div> -<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  future.fail(message);</div> -<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keywordflow">return</span> future;</div> -<div class="line"><a name="l00914"></a><span class="lineno"> 914</span> }</div> -<div class="line"><a name="l00915"></a><span class="lineno"> 915</span> </div> -<div class="line"><a name="l00916"></a><span class="lineno"> 916</span> </div> -<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> <a class="code" href="classprocess_1_1Future.html">Future<T>::Data::Data</a>()</div> -<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  : state(PENDING),</div> -<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  <a class="code" href="namespaceprocess.html#adc504b79a0e7ec7c4caa088a937d4feb">discard</a>(false),</div> -<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  associated(false),</div> -<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  result(<a class="code" href="structNone.html">None</a>()) {}</div> -<div class="line"><a name="l00923"></a><span class="lineno"> 923</span> </div> -<div class="line"><a name="l00924"></a><span class="lineno"> 924</span> </div> -<div class="line"><a name="l00925"></a><span class="lineno"> 925</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00926"></a><span class="lineno"> 926</span> <span class="keywordtype">void</span> Future<T>::Data::clearAllCallbacks()</div> -<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> {</div> -<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  onAnyCallbacks.clear();</div> -<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  onDiscardCallbacks.clear();</div> -<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  onDiscardedCallbacks.clear();</div> -<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  onFailedCallbacks.clear();</div> -<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  onReadyCallbacks.clear();</div> -<div class="line"><a name="l00933"></a><span class="lineno"> 933</span> }</div> -<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> </div> -<div class="line"><a name="l00935"></a><span class="lineno"> 935</span> </div> -<div class="line"><a name="l00936"></a><span class="lineno"> 936</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00937"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956"> 937</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>()</div> -<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  : data(new Data()) {}</div> -<div class="line"><a name="l00939"></a><span class="lineno"> 939</span> </div> -<div class="line"><a name="l00940"></a><span class="lineno"> 940</span> </div> -<div class="line"><a name="l00941"></a><span class="lineno"> 941</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00942"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a5be51b7e284d453a7e1b0195b9ace4dc"> 942</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> T& _t)</div> -<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  : data(new Data())</div> -<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> {</div> -<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  set(_t);</div> -<div class="line"><a name="l00946"></a><span class="lineno"> 946</span> }</div> -<div class="line"><a name="l00947"></a><span class="lineno"> 947</span> </div> -<div class="line"><a name="l00948"></a><span class="lineno"> 948</span> </div> -<div class="line"><a name="l00949"></a><span class="lineno"> 949</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> <span class="keyword">template</span> <<span class="keyword">typename</span> U></div> -<div class="line"><a name="l00951"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#aed761cad1b8f11ffbc3912b4b354c1de"> 951</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> U& u)</div> -<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  : data(new Data())</div> -<div class="line"><a name="l00953"></a><span class="lineno"> 953</span> {</div> -<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  set(u);</div> -<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> }</div> -<div class="line"><a name="l00956"></a><span class="lineno"> 956</span> </div> -<div class="line"><a name="l00957"></a><span class="lineno"> 957</span> </div> -<div class="line"><a name="l00958"></a><span class="lineno"> 958</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00959"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#aafb20a78651dddb069c0aa32dc25cd34"> 959</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> <a class="code" href="structprocess_1_1Failure.html">Failure</a>& failure)</div> -<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  : data(new Data())</div> -<div class="line"><a name="l00961"></a><span class="lineno"> 961</span> {</div> -<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  fail(failure.<a class="code" href="structprocess_1_1Failure.html#a0b8b63de27672a87316955c1f4eb9153">message</a>);</div> -<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> }</div> -<div class="line"><a name="l00964"></a><span class="lineno"> 964</span> </div> -<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> </div> -<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00967"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#aa7fa914b11e31c830ea2036d79e4910e"> 967</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> <a class="code" href="structprocess_1_1ErrnoFailure.html">ErrnoFailure</a>& failure)</div> -<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  : data(new Data())</div> -<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> {</div> -<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  fail(failure.<a class="code" href="structprocess_1_1Failure.html#a0b8b63de27672a87316955c1f4eb9153">message</a>);</div> -<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> }</div> -<div class="line"><a name="l00972"></a><span class="lineno"> 972</span> </div> -<div class="line"><a name="l00973"></a><span class="lineno"> 973</span> </div> -<div class="line"><a name="l00974"></a><span class="lineno"> 974</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00975"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ad9c4c29f24a286aba1859cf0dc58d872"> 975</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& that)</div> -<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  : data(that.data) {}</div> -<div class="line"><a name="l00977"></a><span class="lineno"> 977</span> </div> -<div class="line"><a name="l00978"></a><span class="lineno"> 978</span> </div> -<div class="line"><a name="l00979"></a><span class="lineno"> 979</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00980"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a9facf5a5e6036841b1ae6c29f1a74317"> 980</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<a class="code" href="classprocess_1_1Future.html">Future<T></a>&& that)</div> -<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  : data(std::move(that.data)) {}</div> -<div class="line"><a name="l00982"></a><span class="lineno"> 982</span> </div> -<div class="line"><a name="l00983"></a><span class="lineno"> 983</span> </div> -<div class="line"><a name="l00984"></a><span class="lineno"> 984</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00985"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ace7f75f7863d8a89d6aacda5d757aa47"> 985</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> <a class="code" href="classTry.html">Try<T></a>& t)</div> -<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  : data(new Data())</div> -<div class="line"><a name="l00987"></a><span class="lineno"> 987</span> {</div> -<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  <span class="keywordflow">if</span> (t.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>()){</div> -<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  set(t.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>());</div> -<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  } <span class="keywordflow">else</span> {</div> -<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  fail(t.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div> -<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  }</div> -<div class="line"><a name="l00993"></a><span class="lineno"> 993</span> }</div> -<div class="line"><a name="l00994"></a><span class="lineno"> 994</span> </div> -<div class="line"><a name="l00995"></a><span class="lineno"> 995</span> </div> -<div class="line"><a name="l00996"></a><span class="lineno"> 996</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l00997"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a32e4b21c80168bb3f809da93b669b98f"> 997</a></span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& <a class="code" href="classprocess_1_1Future.html#a32e4b21c80168bb3f809da93b669b98f">Future<T>::operator=</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& that)</div> -<div class="line"><a name="l00998"></a><span class="lineno"> 998</span> {</div> -<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  <span class="keywordflow">if</span> (<span class="keyword">this</span> != &that) {</div> -<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  data = that.data;</div> -<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  }</div> -<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div> -<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span> }</div> -<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span> </div> -<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span> </div> -<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01007"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ad4dabb526ca4f366ac1fb06192a40d0f"> 1007</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#ad4dabb526ca4f366ac1fb06192a40d0f">Future<T>::operator==</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& that)<span class="keyword"> const</span></div> -<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  <span class="keywordflow">return</span> data == that.data;</div> -<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span> }</div> -<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span> </div> -<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span> </div> -<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01014"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a1e09668bb029e2e3cc3a2d9cf1075812"> 1014</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a1e09668bb029e2e3cc3a2d9cf1075812">Future<T>::operator!=</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& that)<span class="keyword"> const</span></div> -<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  <span class="keywordflow">return</span> !(*<span class="keyword">this</span> == that);</div> -<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span> }</div> -<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span> </div> -<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span> </div> -<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01021"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a01597d58e57a7384eed5a56ccf797a0e"> 1021</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a01597d58e57a7384eed5a56ccf797a0e">Future<T>::operator<</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& that)<span class="keyword"> const</span></div> -<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  <span class="keywordflow">return</span> data < that.data;</div> -<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span> }</div> -<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span> </div> -<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span> </div> -<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01028"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a4012f3faa6191fc13874dca62c14ced0"> 1028</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a4012f3faa6191fc13874dca62c14ced0">Future<T>::discard</a>()</div> -<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span> {</div> -<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  <span class="keywordtype">bool</span> result = <span class="keyword">false</span>;</div> -<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span> </div> -<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  std::vector<DiscardCallback> callbacks;</div> -<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <span class="keyword">synchronized</span> (data->lock) {</div> -<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <span class="keywordflow">if</span> (!data->discard && data->state == PENDING) {</div> -<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  result = data->discard = <span class="keyword">true</span>;</div> -<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span> </div> -<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  <span class="comment">// NOTE: We make a copy of the onDiscard callbacks here</span></div> -<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  <span class="comment">// because it is possible that another thread completes this</span></div> -<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  <span class="comment">// future (ready, failed or discarded) when the current thread</span></div> -<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  <span class="comment">// is out of this critical section but *before* it executed the</span></div> -<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  <span class="comment">// onDiscard callbacks. If that happens, the other thread might</span></div> -<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  <span class="comment">// be clearing the onDiscard callbacks (via clearAllCallbacks())</span></div> -<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  <span class="comment">// while the current thread is executing or clearing the</span></div> -<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <span class="comment">// onDiscard callbacks, causing thread safety issue.</span></div> -<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  callbacks = data->onDiscardCallbacks;</div> -<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  data->onDiscardCallbacks.clear();</div> -<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  }</div> -<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  }</div> -<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span> </div> -<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  <span class="comment">// Invoke all callbacks associated with doing a discard on this</span></div> -<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <span class="comment">// future. We don't need a lock because 'Data::discard' should now</span></div> -<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  <span class="comment">// be set so we won't be adding anything else to</span></div> -<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  <span class="comment">// 'Data::onDiscardCallbacks'.</span></div> -<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  <span class="keywordflow">if</span> (result) {</div> -<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  <a class="code" href="namespaceprocess_1_1internal.html#a7ab45b8fc1010b947a370e51b463e82f">internal::run</a>(callbacks);</div> -<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  }</div> -<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span> </div> -<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  <span class="keywordflow">return</span> result;</div> +<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="keywordflow">return</span> result;</div> +<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> }</div> +<div class="line"><a name="l00909"></a><span class="lineno"> 909</span> </div> +<div class="line"><a name="l00910"></a><span class="lineno"> 910</span> </div> +<div class="line"><a name="l00911"></a><span class="lineno"> 911</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00912"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ac24932d40d46827beb624695ff08a428"> 912</a></span> <a class="code" href="classprocess_1_1Future.html">Future<T></a> <a class="code" href="classprocess_1_1Future.html#ac24932d40d46827beb624695ff08a428">Future<T>::failed</a>(<span class="keyword">const</span> std::string& message)</div> +<div class="line"><a name="l00913"></a><span class="lineno"> 913</span> {</div> +<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <a class="code" href="classprocess_1_1Future.html">Future<T></a> future;</div> +<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  future.fail(message);</div> +<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  <span class="keywordflow">return</span> future;</div> +<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> }</div> +<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> </div> +<div class="line"><a name="l00919"></a><span class="lineno"> 919</span> </div> +<div class="line"><a name="l00920"></a><span class="lineno"> 920</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00921"></a><span class="lineno"> 921</span> <a class="code" href="classprocess_1_1Future.html">Future<T>::Data::Data</a>()</div> +<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  : state(PENDING),</div> +<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  <a class="code" href="namespaceprocess.html#adc504b79a0e7ec7c4caa088a937d4feb">discard</a>(false),</div> +<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  associated(false),</div> +<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  result(<a class="code" href="structNone.html">None</a>()) {}</div> +<div class="line"><a name="l00926"></a><span class="lineno"> 926</span> </div> +<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> </div> +<div class="line"><a name="l00928"></a><span class="lineno"> 928</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00929"></a><span class="lineno"> 929</span> <span class="keywordtype">void</span> Future<T>::Data::clearAllCallbacks()</div> +<div class="line"><a name="l00930"></a><span class="lineno"> 930</span> {</div> +<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  onAnyCallbacks.clear();</div> +<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  onDiscardCallbacks.clear();</div> +<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  onDiscardedCallbacks.clear();</div> +<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  onFailedCallbacks.clear();</div> +<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  onReadyCallbacks.clear();</div> +<div class="line"><a name="l00936"></a><span class="lineno"> 936</span> }</div> +<div class="line"><a name="l00937"></a><span class="lineno"> 937</span> </div> +<div class="line"><a name="l00938"></a><span class="lineno"> 938</span> </div> +<div class="line"><a name="l00939"></a><span class="lineno"> 939</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00940"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956"> 940</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>()</div> +<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  : data(new Data()) {}</div> +<div class="line"><a name="l00942"></a><span class="lineno"> 942</span> </div> +<div class="line"><a name="l00943"></a><span class="lineno"> 943</span> </div> +<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00945"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a5be51b7e284d453a7e1b0195b9ace4dc"> 945</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> T& _t)</div> +<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  : data(new Data())</div> +<div class="line"><a name="l00947"></a><span class="lineno"> 947</span> {</div> +<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  set(_t);</div> +<div class="line"><a name="l00949"></a><span class="lineno"> 949</span> }</div> +<div class="line"><a name="l00950"></a><span class="lineno"> 950</span> </div> +<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> </div> +<div class="line"><a name="l00952"></a><span class="lineno"> 952</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00953"></a><span class="lineno"> 953</span> <span class="keyword">template</span> <<span class="keyword">typename</span> U></div> +<div class="line"><a name="l00954"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#aed761cad1b8f11ffbc3912b4b354c1de"> 954</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> U& u)</div> +<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  : data(new Data())</div> +<div class="line"><a name="l00956"></a><span class="lineno"> 956</span> {</div> +<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  set(u);</div> +<div class="line"><a name="l00958"></a><span class="lineno"> 958</span> }</div> +<div class="line"><a name="l00959"></a><span class="lineno"> 959</span> </div> +<div class="line"><a name="l00960"></a><span class="lineno"> 960</span> </div> +<div class="line"><a name="l00961"></a><span class="lineno"> 961</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00962"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#aafb20a78651dddb069c0aa32dc25cd34"> 962</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> <a class="code" href="structprocess_1_1Failure.html">Failure</a>& failure)</div> +<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  : data(new Data())</div> +<div class="line"><a name="l00964"></a><span class="lineno"> 964</span> {</div> +<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  fail(failure.<a class="code" href="structprocess_1_1Failure.html#a0b8b63de27672a87316955c1f4eb9153">message</a>);</div> +<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> }</div> +<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> </div> +<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> </div> +<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00970"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#aa7fa914b11e31c830ea2036d79e4910e"> 970</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> <a class="code" href="structprocess_1_1ErrnoFailure.html">ErrnoFailure</a>& failure)</div> +<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  : data(new Data())</div> +<div class="line"><a name="l00972"></a><span class="lineno"> 972</span> {</div> +<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  fail(failure.<a class="code" href="structprocess_1_1Failure.html#a0b8b63de27672a87316955c1f4eb9153">message</a>);</div> +<div class="line"><a name="l00974"></a><span class="lineno"> 974</span> }</div> +<div class="line"><a name="l00975"></a><span class="lineno"> 975</span> </div> +<div class="line"><a name="l00976"></a><span class="lineno"> 976</span> </div> +<div class="line"><a name="l00977"></a><span class="lineno"> 977</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00978"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ad9c4c29f24a286aba1859cf0dc58d872"> 978</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& that)</div> +<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  : data(that.data) {}</div> +<div class="line"><a name="l00980"></a><span class="lineno"> 980</span> </div> +<div class="line"><a name="l00981"></a><span class="lineno"> 981</span> </div> +<div class="line"><a name="l00982"></a><span class="lineno"> 982</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00983"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a9facf5a5e6036841b1ae6c29f1a74317"> 983</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<a class="code" href="classprocess_1_1Future.html">Future<T></a>&& that)</div> +<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  : data(std::move(that.data)) {}</div> +<div class="line"><a name="l00985"></a><span class="lineno"> 985</span> </div> +<div class="line"><a name="l00986"></a><span class="lineno"> 986</span> </div> +<div class="line"><a name="l00987"></a><span class="lineno"> 987</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l00988"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ace7f75f7863d8a89d6aacda5d757aa47"> 988</a></span> <a class="code" href="classprocess_1_1Future.html#a8c5011603de16950bdcbb5bd137ef956">Future<T>::Future</a>(<span class="keyword">const</span> <a class="code" href="classTry.html">Try<T></a>& t)</div> +<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  : data(new Data())</div> +<div class="line"><a name="l00990"></a><span class="lineno"> 990</span> {</div> +<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <span class="keywordflow">if</span> (t.<a class="code" href="classTry.html#a6543d7d5db4f298bcd673bf3cd509acc">isSome</a>()){</div> +<div class="line"><a name="l00992"></a><span class="lineno"> 992</span>  set(t.<a class="code" href="classTry.html#a7be0768038e0628632492edf6cc1515a">get</a>());</div> +<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  } <span class="keywordflow">else</span> {</div> +<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  fail(t.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>());</div> +<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  }</div> +<div class="line"><a name="l00996"></a><span class="lineno"> 996</span> }</div> +<div class="line"><a name="l00997"></a><span class="lineno"> 997</span> </div> +<div class="line"><a name="l00998"></a><span class="lineno"> 998</span> </div> +<div class="line"><a name="l00999"></a><span class="lineno"> 999</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l01000"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a32e4b21c80168bb3f809da93b669b98f"> 1000</a></span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& <a class="code" href="classprocess_1_1Future.html#a32e4b21c80168bb3f809da93b669b98f">Future<T>::operator=</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& that)</div> +<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span> {</div> +<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="keywordflow">if</span> (<span class="keyword">this</span> != &that) {</div> +<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  data = that.data;</div> +<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  }</div> +<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div> +<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span> }</div> +<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span> </div> +<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span> </div> +<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l01010"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ad4dabb526ca4f366ac1fb06192a40d0f"> 1010</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#ad4dabb526ca4f366ac1fb06192a40d0f">Future<T>::operator==</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& that)<span class="keyword"> const</span></div> +<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span> <span class="keyword"></span>{</div> +<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  <span class="keywordflow">return</span> data == that.data;</div> +<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span> }</div> +<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span> </div> +<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> </div> +<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l01017"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a1e09668bb029e2e3cc3a2d9cf1075812"> 1017</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a1e09668bb029e2e3cc3a2d9cf1075812">Future<T>::operator!=</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& that)<span class="keyword"> const</span></div> +<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span> <span class="keyword"></span>{</div> +<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  <span class="keywordflow">return</span> !(*<span class="keyword">this</span> == that);</div> +<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span> }</div> +<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span> </div> +<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span> </div> +<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l01024"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a01597d58e57a7384eed5a56ccf797a0e"> 1024</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a01597d58e57a7384eed5a56ccf797a0e">Future<T>::operator<</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& that)<span class="keyword"> const</span></div> +<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span> <span class="keyword"></span>{</div> +<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  <span class="keywordflow">return</span> data < that.data;</div> +<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span> }</div> +<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span> </div> +<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span> </div> +<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l01031"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a4012f3faa6191fc13874dca62c14ced0"> 1031</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a4012f3faa6191fc13874dca62c14ced0">Future<T>::discard</a>()</div> +<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span> {</div> +<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <span class="keywordtype">bool</span> result = <span class="keyword">false</span>;</div> +<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span> </div> +<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  std::vector<DiscardCallback> callbacks;</div> +<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  <span class="keyword">synchronized</span> (data->lock) {</div> +<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  <span class="keywordflow">if</span> (!data->discard && data->state == PENDING) {</div> +<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  result = data->discard = <span class="keyword">true</span>;</div> +<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span> </div> +<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  callbacks.swap(data->onDiscardCallbacks);</div> +<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  }</div> +<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  }</div> +<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span> </div> +<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <span class="comment">// Invoke all callbacks associated with doing a discard on this</span></div> +<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  <span class="comment">// future. The callbacks get destroyed when we exit from the</span></div> +<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  <span class="comment">// function.</span></div> +<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  <span class="keywordflow">if</span> (result) {</div> +<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>  <a class="code" href="namespaceprocess_1_1internal.html#a7ab45b8fc1010b947a370e51b463e82f">internal::run</a>(callbacks);</div> +<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  }</div> +<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span> </div> +<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <span class="keywordflow">return</span> result;</div> +<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span> }</div> +<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span> </div> +<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span> </div> +<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l01056"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#af23884cf963eb5ec061595eb2e288903"> 1056</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#af23884cf963eb5ec061595eb2e288903">Future<T>::isPending</a>()<span class="keyword"> const</span></div> +<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span> <span class="keyword"></span>{</div> +<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  <span class="keywordflow">return</span> data->state == PENDING;</div> <div class="line"><a name="l01059"></a><span class="lineno"> 1059</span> }</div> <div class="line"><a name="l01060"></a><span class="lineno"> 1060</span> </div> <div class="line"><a name="l01061"></a><span class="lineno"> 1061</span> </div> <div class="line"><a name="l01062"></a><span class="lineno"> 1062</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01063"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#af23884cf963eb5ec061595eb2e288903"> 1063</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#af23884cf963eb5ec061595eb2e288903">Future<T>::isPending</a>()<span class="keyword"> const</span></div> +<div class="line"><a name="l01063"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a68f241961e700d0cecf982d9cc0043d7"> 1063</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a68f241961e700d0cecf982d9cc0043d7">Future<T>::isReady</a>()<span class="keyword"> const</span></div> <div class="line"><a name="l01064"></a><span class="lineno"> 1064</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  <span class="keywordflow">return</span> data->state == PENDING;</div> +<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  <span class="keywordflow">return</span> data->state == READY;</div> <div class="line"><a name="l01066"></a><span class="lineno"> 1066</span> }</div> <div class="line"><a name="l01067"></a><span class="lineno"> 1067</span> </div> <div class="line"><a name="l01068"></a><span class="lineno"> 1068</span> </div> <div class="line"><a name="l01069"></a><span class="lineno"> 1069</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01070"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a68f241961e700d0cecf982d9cc0043d7"> 1070</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a68f241961e700d0cecf982d9cc0043d7">Future<T>::isReady</a>()<span class="keyword"> const</span></div> +<div class="line"><a name="l01070"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#abc89036db733a417b7b383b091efaf3c"> 1070</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#abc89036db733a417b7b383b091efaf3c">Future<T>::isDiscarded</a>()<span class="keyword"> const</span></div> <div class="line"><a name="l01071"></a><span class="lineno"> 1071</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="keywordflow">return</span> data->state == READY;</div> +<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="keywordflow">return</span> data->state == DISCARDED;</div> <div class="line"><a name="l01073"></a><span class="lineno"> 1073</span> }</div> <div class="line"><a name="l01074"></a><span class="lineno"> 1074</span> </div> <div class="line"><a name="l01075"></a><span class="lineno"> 1075</span> </div> <div class="line"><a name="l01076"></a><span class="lineno"> 1076</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01077"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#abc89036db733a417b7b383b091efaf3c"> 1077</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#abc89036db733a417b7b383b091efaf3c">Future<T>::isDiscarded</a>()<span class="keyword"> const</span></div> +<div class="line"><a name="l01077"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a493227e57f8848e37777b89c0f81e2ec"> 1077</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a493227e57f8848e37777b89c0f81e2ec">Future<T>::isFailed</a>()<span class="keyword"> const</span></div> <div class="line"><a name="l01078"></a><span class="lineno"> 1078</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  <span class="keywordflow">return</span> data->state == DISCARDED;</div> +<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  <span class="keywordflow">return</span> data->state == FAILED;</div> <div class="line"><a name="l01080"></a><span class="lineno"> 1080</span> }</div> <div class="line"><a name="l01081"></a><span class="lineno"> 1081</span> </div> <div class="line"><a name="l01082"></a><span class="lineno"> 1082</span> </div> <div class="line"><a name="l01083"></a><span class="lineno"> 1083</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01084"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a493227e57f8848e37777b89c0f81e2ec"> 1084</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a493227e57f8848e37777b89c0f81e2ec">Future<T>::isFailed</a>()<span class="keyword"> const</span></div> +<div class="line"><a name="l01084"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a18f97963e0636071b54401b200fedfc2"> 1084</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a18f97963e0636071b54401b200fedfc2">Future<T>::hasDiscard</a>()<span class="keyword"> const</span></div> <div class="line"><a name="l01085"></a><span class="lineno"> 1085</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <span class="keywordflow">return</span> data->state == FAILED;</div> +<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <span class="keywordflow">return</span> data->discard;</div> <div class="line"><a name="l01087"></a><span class="lineno"> 1087</span> }</div> <div class="line"><a name="l01088"></a><span class="lineno"> 1088</span> </div> <div class="line"><a name="l01089"></a><span class="lineno"> 1089</span> </div> -<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01091"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a18f97963e0636071b54401b200fedfc2"> 1091</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a18f97963e0636071b54401b200fedfc2">Future<T>::hasDiscard</a>()<span class="keyword"> const</span></div> -<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  <span class="keywordflow">return</span> data->discard;</div> -<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span> }</div> -<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span> </div> +<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span> <span class="keyword">namespace </span>internal {</div> +<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span> </div> +<div class="line"><a name="l01092"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1internal.html#a85f4746550d4ec759218057e3c54fe41"> 1092</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceprocess_1_1internal.html#a85f4746550d4ec759218057e3c54fe41">awaited</a>(<a class="code" href="classprocess_1_1Owned.html">Owned<Latch></a> latch)</div> +<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span> {</div> +<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  latch->trigger();</div> +<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span> }</div> <div class="line"><a name="l01096"></a><span class="lineno"> 1096</span> </div> -<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span> <span class="keyword">namespace </span>internal {</div> +<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span> } <span class="comment">// namespace internal {</span></div> <div class="line"><a name="l01098"></a><span class="lineno"> 1098</span> </div> -<div class="line"><a name="l01099"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1internal.html#a85f4746550d4ec759218057e3c54fe41"> 1099</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceprocess_1_1internal.html#a85f4746550d4ec759218057e3c54fe41">awaited</a>(<a class="code" href="classprocess_1_1Owned.html">Owned<Latch></a> latch)</div> -<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span> {</div> -<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  latch->trigger();</div> -<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span> }</div> -<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span> </div> -<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span> } <span class="comment">// namespace internal {</span></div> -<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span> </div> -<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span> </div> -<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01108"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a49b738b9755c0623a57e575ae2fb6431"> 1108</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a49b738b9755c0623a57e575ae2fb6431">Future<T>::await</a>(<span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a>& duration)<span class="keyword"> const</span></div> -<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  <span class="comment">// NOTE: We need to preemptively allocate the Latch on the stack</span></div> -<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  <span class="comment">// instead of lazily create it in the critical section below because</span></div> -<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  <span class="comment">// instantiating a Latch requires creating a new process (at the</span></div> -<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  <span class="comment">// time of writing this comment) which might need to do some</span></div> -<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  <span class="comment">// synchronization in libprocess which might deadlock if some other</span></div> -<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <span class="comment">// code in libprocess is already holding a lock and then attempts to</span></div> -<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  <span class="comment">// do Promise::set (or something similar) that attempts to acquire</span></div> -<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <span class="comment">// the lock that we acquire here. This is an artifact of using</span></div> -<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <span class="comment">// Future/Promise within the implementation of libprocess.</span></div> -<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  <span class="comment">//</span></div> -<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  <span class="comment">// We mostly only call 'await' in tests so this should not be a</span></div> -<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  <span class="comment">// performance concern.</span></div> -<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  <a class="code" href="classprocess_1_1Owned.html">Owned<Latch></a> latch(<span class="keyword">new</span> <a class="code" href="classprocess_1_1Latch.html">Latch</a>());</div> -<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span> </div> -<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceos_1_1signals.html#a712c95e437c6ae6caa6fbc6dcce30f26">pending</a> = <span class="keyword">false</span>;</div> +<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span> </div> +<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l01101"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a49b738b9755c0623a57e575ae2fb6431"> 1101</a></span> <span class="keywordtype">bool</span> <a class="code" href="classprocess_1_1Future.html#a49b738b9755c0623a57e575ae2fb6431">Future<T>::await</a>(<span class="keyword">const</span> <a class="code" href="classDuration.html">Duration</a>& duration)<span class="keyword"> const</span></div> +<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span> <span class="keyword"></span>{</div> +<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  <span class="comment">// NOTE: We need to preemptively allocate the Latch on the stack</span></div> +<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  <span class="comment">// instead of lazily create it in the critical section below because</span></div> +<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  <span class="comment">// instantiating a Latch requires creating a new process (at the</span></div> +<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  <span class="comment">// time of writing this comment) which might need to do some</span></div> +<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  <span class="comment">// synchronization in libprocess which might deadlock if some other</span></div> +<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  <span class="comment">// code in libprocess is already holding a lock and then attempts to</span></div> +<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  <span class="comment">// do Promise::set (or something similar) that attempts to acquire</span></div> +<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  <span class="comment">// the lock that we acquire here. This is an artifact of using</span></div> +<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  <span class="comment">// Future/Promise within the implementation of libprocess.</span></div> +<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  <span class="comment">//</span></div> +<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  <span class="comment">// We mostly only call 'await' in tests so this should not be a</span></div> +<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  <span class="comment">// performance concern.</span></div> +<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  <a class="code" href="classprocess_1_1Owned.html">Owned<Latch></a> latch(<span class="keyword">new</span> <a class="code" href="classprocess_1_1Latch.html">Latch</a>());</div> +<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span> </div> +<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceos_1_1signals.html#a712c95e437c6ae6caa6fbc6dcce30f26">pending</a> = <span class="keyword">false</span>;</div> +<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span> </div> +<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  <span class="keyword">synchronized</span> (data->lock) {</div> +<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  <span class="keywordflow">if</span> (data->state == PENDING) {</div> +<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  pending = <span class="keyword">true</span>;</div> +<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  data->onAnyCallbacks.push_back(<a class="code" href="namespaceprocess_1_1network.html#ad067110a4b38cc83785a43f49bf6c8e2">lambda::bind</a>(&<a class="code" href="namespaceprocess_1_1internal.html#a85f4746550d4ec759218057e3c54fe41">internal::awaited</a>, latch));</div> +<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  }</div> +<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  }</div> <div class="line"><a name="l01125"></a><span class="lineno"> 1125</span> </div> -<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  <span class="keyword">synchronized</span> (data->lock) {</div> -<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  <span class="keywordflow">if</span> (data->state == PENDING) {</div> -<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  pending = <span class="keyword">true</span>;</div> -<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  data->onAnyCallbacks.push_back(<a class="code" href="namespaceprocess_1_1network.html#ad067110a4b38cc83785a43f49bf6c8e2">lambda::bind</a>(&<a class="code" href="namespaceprocess_1_1internal.html#a85f4746550d4ec759218057e3c54fe41">internal::awaited</a>, latch));</div> -<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  }</div> -<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  }</div> +<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  <span class="keywordflow">if</span> (pending) {</div> +<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  <span class="keywordflow">return</span> latch-><a class="code" href="classprocess_1_1Latch.html#a473b02733aa6a87f9ce3462d7a872414">await</a>(duration);</div> +<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  }</div> +<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span> </div> +<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> +<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span> }</div> <div class="line"><a name="l01132"></a><span class="lineno"> 1132</span> </div> -<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  <span class="keywordflow">if</span> (pending) {</div> -<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  <span class="keywordflow">return</span> latch-><a class="code" href="classprocess_1_1Latch.html#a473b02733aa6a87f9ce3462d7a872414">await</a>(duration);</div> -<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  }</div> -<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span> </div> -<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> -<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span> }</div> -<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span> </div> +<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span> </div> +<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l01135"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#aa78977d3b585a5f5ccd682c1e9e2ddc4"> 1135</a></span> <span class="keyword">const</span> T& <a class="code" href="classprocess_1_1Future.html#aa78977d3b585a5f5ccd682c1e9e2ddc4">Future<T>::get</a>()<span class="keyword"> const</span></div> +<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span> <span class="keyword"></span>{</div> +<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  <span class="keywordflow">if</span> (!isReady()) {</div> +<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  <a class="code" href="namespaceprocess.html#a9244f063b856adbc7182f8620b01034c">await</a>();</div> +<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  }</div> <div class="line"><a name="l01140"></a><span class="lineno"> 1140</span> </div> -<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01142"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#aa78977d3b585a5f5ccd682c1e9e2ddc4"> 1142</a></span> <span class="keyword">const</span> T& <a class="code" href="classprocess_1_1Future.html#aa78977d3b585a5f5ccd682c1e9e2ddc4">Future<T>::get</a>()<span class="keyword"> const</span></div> -<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  <span class="keywordflow">if</span> (!isReady()) {</div> -<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  <a class="code" href="namespaceprocess.html#a9244f063b856adbc7182f8620b01034c">await</a>();</div> +<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  CHECK(!isPending()) << <span class="stringliteral">"Future was in PENDING after await()"</span>;</div> +<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  <span class="comment">// We can't use CHECK_READY here due to check.hpp depending on future.hpp.</span></div> +<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  <span class="keywordflow">if</span> (!isReady()) {</div> +<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  CHECK(!isFailed()) << <span class="stringliteral">"Future::get() but state == FAILED: "</span> << failure();</div> +<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  CHECK(!isDiscarded()) << <span class="stringliteral">"Future::get() but state == DISCARDED"</span>;</div> <div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  }</div> <div class="line"><a name="l01147"></a><span class="lineno"> 1147</span> </div> -<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  CHECK(!isPending()) << <span class="stringliteral">"Future was in PENDING after await()"</span>;</div> -<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  <span class="comment">// We can't use CHECK_READY here due to check.hpp depending on future.hpp.</span></div> -<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  <span class="keywordflow">if</span> (!isReady()) {</div> -<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  CHECK(!isFailed()) << <span class="stringliteral">"Future::get() but state == FAILED: "</span> << failure();</div> -<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  CHECK(!isDiscarded()) << <span class="stringliteral">"Future::get() but state == DISCARDED"</span>;</div> -<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  }</div> -<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span> </div> -<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>  assert(data->result.isSome());</div> -<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  <span class="keywordflow">return</span> data->result.get();</div> +<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  assert(data->result.isSome());</div> +<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  <span class="keywordflow">return</span> data->result.get();</div> +<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span> }</div> +<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span> </div> +<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span> </div> +<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> +<div class="line"><a name="l01154"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ade35e2593ea7486d0d6cd26584960704"> 1154</a></span> <span class="keyword">const</span> T* <a class="code" href="classprocess_1_1Future.html#ade35e2593ea7486d0d6cd26584960704">Future<T>::operator-></a>()<span class="keyword"> const</span></div> +<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span> <span class="keyword"></span>{</div> +<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  <span class="keywordflow">return</span> &<span class="keyword">get</span>();</div> <div class="line"><a name="l01157"></a><span class="lineno"> 1157</span> }</div> <div class="line"><a name="l01158"></a><span class="lineno"> 1158</span> </div> <div class="line"><a name="l01159"></a><span class="lineno"> 1159</span> </div> <div class="line"><a name="l01160"></a><span class="lineno"> 1160</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01161"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ade35e2593ea7486d0d6cd26584960704"> 1161</a></span> <span class="keyword">const</span> T* <a class="code" href="classprocess_1_1Future.html#ade35e2593ea7486d0d6cd26584960704">Future<T>::operator-></a>()<span class="keyword"> const</span></div> +<div class="line"><a name="l01161"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ae649c56b07f44c05e4b7aa3620133ff9"> 1161</a></span> <span class="keyword">const</span> std::string& <a class="code" href="classprocess_1_1Future.html#ae649c56b07f44c05e4b7aa3620133ff9">Future<T>::failure</a>()<span class="keyword"> const</span></div> <div class="line"><a name="l01162"></a><span class="lineno"> 1162</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  <span class="keywordflow">return</span> &<span class="keyword">get</span>();</div> -<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span> }</div> -<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span> </div> +<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  <span class="keywordflow">if</span> (data->state != FAILED) {</div> +<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  <a class="code" href="abort_8hpp.html#a4d84a74fe6e4f84bc3d2f901b9e89f93">ABORT</a>(<span class="stringliteral">"Future::failure() but state != FAILED"</span>);</div> +<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  }</div> <div class="line"><a name="l01166"></a><span class="lineno"> 1166</span> </div> -<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01168"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#ae649c56b07f44c05e4b7aa3620133ff9"> 1168</a></span> <span class="keyword">const</span> std::string& <a class="code" href="classprocess_1_1Future.html#ae649c56b07f44c05e4b7aa3620133ff9">Future<T>::failure</a>()<span class="keyword"> const</span></div> -<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  <span class="keywordflow">if</span> (data->state != FAILED) {</div> -<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  <a class="code" href="abort_8hpp.html#a4d84a74fe6e4f84bc3d2f901b9e89f93">ABORT</a>(<span class="stringliteral">"Future::failure() but state != FAILED"</span>);</div> -<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  }</div> -<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span> </div> -<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  <a class="code" href="stout_2include_2stout_2check_8hpp.html#a7d338bde94559d47319226f4ccbc0bda">CHECK_ERROR</a>(data->result);</div> -<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  <span class="keywordflow">return</span> data->result.error();</div> -<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span> }</div> -<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span> </div> -<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span> </div> -<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01180"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a1b80bf321358be44880d9c6bae5d9a2d"> 1180</a></span> <span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& <a class="code" href="classprocess_1_1Future.html#a1b80bf321358be44880d9c6bae5d9a2d">Future<T>::onDiscard</a>(<a class="code" href="classprocess_1_1Future.html#a7f793e67f309787ba34f3ed29652599c">DiscardCallback</a>&& callback)<span class="keyword"> const</span></div> -<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceprocess.html#a72c24f06ac3f91b9412de80c6252df25">run</a> = <span class="keyword">false</span>;</div> -<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span> </div> -<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  <span class="keyword">synchronized</span> (data->lock) {</div> -<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  <span class="keywordflow">if</span> (data->discard) {</div> -<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  run = <span class="keyword">true</span>;</div> -<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (data->state == PENDING) {</div> -<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  data->onDiscardCallbacks.emplace_back(std::move(callback));</div> -<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  }</div> -<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>  }</div> -<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span> </div> -<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  <span class="comment">// TODO(*): Invoke callback in another execution context.</span></div> -<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  <span class="keywordflow">if</span> (run) {</div> -<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  callback();</div> -<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  }</div> -<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span> </div> -<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div> -<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span> }</div> -<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span> </div> -<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span> </div> -<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div> -<div class="line"><a name="l01202"></a><span class="lineno"><a class="line" href="classprocess_1_1Future.html#a0af9d6f01e26acab3c2882a90fc09149"> 1202</a></span> <span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">Future<T></a>& <a class="code" href="classprocess_1_1Future.html#a0af9d6f01e26acab3c2882a90fc09149">Future<T>::onReady</a>(<a class="code" href="classprocess_1_1Future.html#a542d3524ad6d4ca7ec633e63e4beadeb">ReadyCallback</a>&& callback)<span class="keyword"> const</span></div> -<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span> <span class="keyword"></span>{</div> -<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  <span class="keywordtype">bool</span> <a class="code" href="namespaceprocess.html#a72c24f06ac3f91b9412de80c6252df25">run</a> = <span class="keyword">false</span>;</div> -<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span> </div> -<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  <span class="keyword">synchronized</span> (data->lock) {</div> -<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  <span class="keywordflow">if</span> (data->state == READY) {</div> -<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  run = <span class="keyword">true</span>;</div> -<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (data->state == PENDING) {</div> -<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  data->onReadyCallbacks.emplace_back(std::move(callback));</div> -<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  }</div> -<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  }</div> -<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span> </div> -<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  <span class="comment">// TODO(*): Invoke callback in another execution context.</span></div> -<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  <span class="keywordflow">if</span> (run) {</div> -<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  callback(data->result.get());</div> -<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  }</div> -<div class="line"><a name="l01218"></a><span class="lineno">
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