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<div class="title">async.hpp</div> </div>
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<a href="async_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// limitations under the License</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#ifndef __ASYNC_HPP__</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __ASYNC_HPP__</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="dispatch_8hpp.html">process/dispatch.hpp</a>&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="future_8hpp.html">process/future.hpp</a>&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="id_8hpp.html">process/id.hpp</a>&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="3rdparty_2libprocess_2include_2process_2pid_8hpp.html">process/pid.hpp</a>&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="libprocess_2include_2process_2process_8hpp.html">process/process.hpp</a>&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="lambda_8hpp.html">stout/lambda.hpp</a>&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="preprocessor_8hpp.html">stout/preprocessor.hpp</a>&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="result__of_8hpp.html">stout/result_of.hpp</a>&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a> {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment">// Provides an abstraction for asynchronously executing a function</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">// (note the declarations are here and definitions below since</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment">// defining and declaring below will require defining the default</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment">// argument when declaring these as friends in AsyncExecutor which is</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment">// brittle).</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> F&gt;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">Future&lt;typename result_of&lt;F()&gt;::type</a>&gt; <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keyword">const</span> F&amp; <a class="code" href="namespaceprocess.html#a62d5333e8ec1817c249cf83e15d568b4">f</a>,</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!std::is_void&lt;<span class="keyword">typename</span> result_of&lt;F()&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>&gt;::value&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>); <span class="comment">// NOLINT(whitespace/line_length)</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> F&gt;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;Future&lt;Nothing&gt; <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keyword">const</span> F&amp; f,</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;std::is_void&lt;<span class="keyword">typename</span> result_of&lt;F()&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>&gt;::value&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>); <span class="comment">// NOLINT(whitespace/line_length)</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="preprocessor"> template &lt;typename F, ENUM_PARAMS(N, typename A)&gt; \</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="preprocessor"> Future&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt; async( \</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="preprocessor"> const F&amp; f, \</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor"> typename std::enable_if&lt;!std::is_void&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt;::value&gt;::type* = nullptr); </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="preprocessor"> \</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="preprocessor"> \</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="preprocessor"> template &lt;typename F, ENUM_PARAMS(N, typename A)&gt; \</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="preprocessor"> Future&lt;Nothing&gt; async( \</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="preprocessor"> const F&amp; f, \</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="preprocessor"> typename std::enable_if&lt;std::is_void&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt;::value&gt;::type* = nullptr); // NOLINT(whitespace/line_length)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="namespaceprocess.html#aefdb2dafcc91a996be425476adf2b4e0"> 63</a></span>&#160; <a class="code" href="namespaceprocess.html#aefdb2dafcc91a996be425476adf2b4e0">REPEAT_FROM_TO</a>(1, 12, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -&gt; A10.</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="preprocessor">#undef TEMPLATE</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="comment">// TODO(vinod): Merge this into ExecutorProcess.</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="keyword">class </span>AsyncExecutorProcess : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Process.html">Process</a>&lt;AsyncExecutorProcess&gt;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;{</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; AsyncExecutorProcess() : <a class="code" href="classprocess_1_1ProcessBase.html">ProcessBase</a>(<a class="code" href="namespaceprocess_1_1ID.html#aeb11a48c9def1da169d8455a30d0ee39">ID::generate</a>(<span class="stringliteral">&quot;__async_executor__&quot;</span>)) {}</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keyword">virtual</span> ~AsyncExecutorProcess() {}</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="comment">// Not copyable, not assignable.</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; AsyncExecutorProcess(<span class="keyword">const</span> AsyncExecutorProcess&amp;);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; AsyncExecutorProcess&amp; operator=(<span class="keyword">const</span> AsyncExecutorProcess&amp;);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keyword">template</span> &lt;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keyword">typename</span> F,</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; !<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">std::is_void&lt;typename result_of&lt;F()&gt;::type</a>&gt;::value, <span class="keywordtype">int</span>&gt;<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">::type</a> = 0&gt;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keyword">typename</span> <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">result_of&lt;F()&gt;::type</a> <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1526213546914662d7a58263f68d11bc">execute</a>(<span class="keyword">const</span> F&amp; f)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">terminate</a>(<span class="keyword">self</span>()); <span class="comment">// Terminate process after function returns.</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#a62d5333e8ec1817c249cf83e15d568b4">f</a>();</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keyword">template</span> &lt;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keyword">typename</span> F,</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">std::is_void&lt;typename result_of&lt;F()&gt;::type</a>&gt;::value, <span class="keywordtype">int</span>&gt;<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">::type</a> = 0&gt;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <a class="code" href="structNothing.html">Nothing</a> <a class="code" href="namespacemesos_1_1internal_1_1tests.html#a1526213546914662d7a58263f68d11bc">execute</a>(<span class="keyword">const</span> F&amp; f)</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">terminate</a>(<span class="keyword">self</span>()); <span class="comment">// Terminate process after function returns.</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <a class="code" href="namespaceprocess.html#a62d5333e8ec1817c249cf83e15d568b4">f</a>();</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; }</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="preprocessor"> template &lt; \</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="preprocessor"> typename F, \</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="preprocessor"> ENUM_PARAMS(N, typename A), \</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="preprocessor"> typename std::enable_if&lt; \</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="preprocessor"> !std::is_void&lt; \</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="preprocessor"> typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt;::value, \</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="preprocessor"> int&gt;::type = 0&gt; \</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="preprocessor"> typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type execute( \</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="preprocessor"> const F&amp; f, ENUM_BINARY_PARAMS(N, A, a)) \</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="preprocessor"> { \</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="preprocessor"> terminate(self()); </span><span class="comment">/* Terminate process after function returns. */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<span class="preprocessor"> return f(ENUM_PARAMS(N, a)); \</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;<span class="preprocessor"> \</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;<span class="preprocessor"> template &lt; \</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="preprocessor"> typename F, \</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;<span class="preprocessor"> ENUM_PARAMS(N, typename A), \</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="preprocessor"> typename std::enable_if&lt; \</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="preprocessor"> std::is_void&lt; \</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="preprocessor"> typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt;::value, \</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="preprocessor"> int&gt;::type = 0&gt; \</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;<span class="preprocessor"> Nothing execute( \</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;<span class="preprocessor"> const F&amp; f, ENUM_BINARY_PARAMS(N, A, a)) \</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="preprocessor"> { \</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="preprocessor"> terminate(self()); </span><span class="comment">/* Terminate process after function returns. */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="preprocessor"> f(ENUM_PARAMS(N, a)); \</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;<span class="preprocessor"> return Nothing(); \</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;<span class="preprocessor"> }</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <a class="code" href="namespaceprocess.html#aefdb2dafcc91a996be425476adf2b4e0">REPEAT_FROM_TO</a>(1, 12, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -&gt; A10.</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<span class="preprocessor">#undef TEMPLATE</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<span class="preprocessor"></span>};</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<span class="comment">// This is a wrapper around AsyncExecutorProcess.</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="classprocess_1_1AsyncExecutor.html"> 137</a></span>&#160;<span class="keyword">class </span><a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;{</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="comment">// Declare async functions as friends.</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> F&gt;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keyword">friend</span> <a class="code" href="classprocess_1_1Future.html">Future&lt;typename result_of&lt;F()&gt;::type</a>&gt; <a class="code" href="classprocess_1_1AsyncExecutor.html#a502e4f9c00f1d1280f732a7bd8a68434">async</a>(</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keyword">const</span> F&amp; f,</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!std::is_void&lt;<span class="keyword">typename</span> result_of&lt;F()&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>&gt;::value&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>*); <span class="comment">// NOLINT(whitespace/line_length)</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> F&gt;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keyword">friend</span> <a class="code" href="classprocess_1_1Future.html">Future&lt;Nothing&gt;</a> <a class="code" href="classprocess_1_1AsyncExecutor.html#a502e4f9c00f1d1280f732a7bd8a68434">async</a>(</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keyword">const</span> F&amp; f,</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;std::is_void&lt;<span class="keyword">typename</span> result_of&lt;F()&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>&gt;::value&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>*); <span class="comment">// NOLINT(whitespace/line_length)</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;<span class="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;<span class="preprocessor"> template &lt;typename F, ENUM_PARAMS(N, typename A)&gt; \</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;<span class="preprocessor"> friend Future&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt; async( \</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;<span class="preprocessor"> const F&amp; f, \</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;<span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;<span class="preprocessor"> typename std::enable_if&lt;!std::is_void&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt;::value&gt;::type*); </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;<span class="preprocessor"> \</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;<span class="preprocessor"> template &lt;typename F, ENUM_PARAMS(N, typename A)&gt; \</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;<span class="preprocessor"> friend Future&lt;Nothing&gt; async( \</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;<span class="preprocessor"> const F&amp; f, \</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;<span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;<span class="preprocessor"> typename std::enable_if&lt;std::is_void&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt;::value&gt;::type*); // NOLINT(whitespace/line_length)</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; REPEAT_FROM_TO(1, 12, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -&gt; A10.</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;<span class="preprocessor">#undef TEMPLATE</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>()</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <a class="code" href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a> = <a class="code" href="namespaceprocess.html#aff22904a83567125d3b4d0d88e5a2270">spawn</a>(<span class="keyword">new</span> AsyncExecutorProcess(), <span class="keyword">true</span>); <span class="comment">// Automatically GC.</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keyword">virtual</span> ~<a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>() {}</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="comment">// Not copyable, not assignable.</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>&amp;);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>&amp;);</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> F&gt;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <a class="code" href="classprocess_1_1Future.html">Future&lt;typename result_of&lt;F()&gt;::type</a>&gt; execute(</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="keyword">const</span> F&amp; f,</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!std::is_void&lt;<span class="keyword">typename</span> result_of&lt;F()&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>&gt;::value&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>) <span class="comment">// NOLINT(whitespace/line_length)</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; {</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="comment">// Need to disambiguate overloaded method.</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="keyword">typename</span> <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">result_of&lt;F()&gt;::type</a>(AsyncExecutorProcess::*method)(<span class="keyword">const</span> F&amp;) =</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; &amp;AsyncExecutorProcess::execute&lt;F&gt;;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#acfbc29404bc653268289691b0dd59e22">dispatch</a>(<a class="code" href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a>, method, f);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; }</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> F&gt;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <a class="code" href="classprocess_1_1Future.html">Future&lt;Nothing&gt;</a> execute(</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="keyword">const</span> F&amp; f,</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;std::is_void&lt;<span class="keyword">typename</span> result_of&lt;F()&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>&gt;::value&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>* = <span class="keyword">nullptr</span>) <span class="comment">// NOLINT(whitespace/line_length)</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="comment">// Need to disambiguate overloaded method.</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <a class="code" href="structNothing.html">Nothing</a>(AsyncExecutorProcess::*method)(<span class="keyword">const</span> F&amp;) =</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; &amp;AsyncExecutorProcess::execute&lt;F&gt;;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#acfbc29404bc653268289691b0dd59e22">dispatch</a>(<a class="code" href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a>, method, f);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; }</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;<span class="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;<span class="preprocessor"> template &lt;typename F, ENUM_PARAMS(N, typename A)&gt; \</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;<span class="preprocessor"> Future&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt; execute( \</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;<span class="preprocessor"> const F&amp; f, \</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;<span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;<span class="preprocessor"> typename std::enable_if&lt;!std::is_void&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt;::value&gt;::type* = nullptr) </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;<span class="preprocessor"> { \</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160;<span class="preprocessor"> </span><span class="comment">/* Need to disambiguate overloaded method. */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;<span class="preprocessor"> typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type(AsyncExecutorProcess::*method)(const F&amp;, ENUM_PARAMS(N, A)) = </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;<span class="preprocessor"> &amp;AsyncExecutorProcess::execute&lt;F, ENUM_PARAMS(N, A)&gt;; \</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;<span class="preprocessor"> \</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;<span class="preprocessor"> return dispatch(process, method, f, ENUM_PARAMS(N, a)); \</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;<span class="preprocessor"> \</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;<span class="preprocessor"> template &lt;typename F, ENUM_PARAMS(N, typename A)&gt; \</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160;<span class="preprocessor"> Future&lt;Nothing&gt; execute( \</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;<span class="preprocessor"> const F&amp; f, \</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;<span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160;<span class="preprocessor"> typename std::enable_if&lt;std::is_void&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt;::value&gt;::type* = nullptr) </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;<span class="preprocessor"> { \</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;<span class="preprocessor"> </span><span class="comment">/* Need to disambiguate overloaded method. */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;<span class="preprocessor"> Nothing(AsyncExecutorProcess::*method)(const F&amp;, ENUM_PARAMS(N, A)) = \</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;<span class="preprocessor"> &amp;AsyncExecutorProcess::execute&lt;F, ENUM_PARAMS(N, A)&gt;; \</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;<span class="preprocessor"> \</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;<span class="preprocessor"> return dispatch(process, method, f, ENUM_PARAMS(N, a)); \</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;<span class="preprocessor"> }</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; REPEAT_FROM_TO(1, 12, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -&gt; A10.</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;<span class="preprocessor">#undef TEMPLATE</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; <a class="code" href="structprocess_1_1PID.html">PID&lt;AsyncExecutorProcess&gt;</a> <a class="code" href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">process</a>;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;};</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;<span class="comment">// Provides an abstraction for asynchronously executing a function.</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> F&gt;</div>
<div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a"> 238</a></span>&#160;<a class="code" href="classprocess_1_1Future.html">Future&lt;typename result_of&lt;F()&gt;::type</a>&gt; <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; <span class="keyword">const</span> F&amp; f,</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;!std::is_void&lt;<span class="keyword">typename</span> result_of&lt;F()&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>&gt;::value&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>*) <span class="comment">// NOLINT(whitespace/line_length)</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160;{</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>().execute(f);</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160;}</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160;</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> F&gt;</div>
<div class="line"><a name="l00247"></a><span class="lineno"><a class="line" href="namespaceprocess.html#a9a7ae46e9f2d15e3fcd2bff8c87204c9"> 247</a></span>&#160;<a class="code" href="classprocess_1_1Future.html">Future&lt;Nothing&gt;</a> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">async</a>(</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; <span class="keyword">const</span> F&amp; f,</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <span class="keyword">typename</span> std::enable_if&lt;std::is_void&lt;<span class="keyword">typename</span> result_of&lt;F()&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>&gt;::value&gt;::<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">type</a>*) <span class="comment">// NOLINT(whitespace/line_length)</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160;{</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classprocess_1_1AsyncExecutor.html">AsyncExecutor</a>().execute(f);</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160;}</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160;</div>
<div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2"> 255</a></span>&#160;<span class="preprocessor">#define TEMPLATE(Z, N, DATA) \</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160;<span class="preprocessor"> template &lt;typename F, ENUM_PARAMS(N, typename A)&gt; \</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160;<span class="preprocessor"> Future&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt; async( \</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160;<span class="preprocessor"> const F&amp; f, \</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160;<span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;<span class="preprocessor"> typename std::enable_if&lt;!std::is_void&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt;::value&gt;::type*) </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160;<span class="preprocessor"> { \</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160;<span class="preprocessor"> return AsyncExecutor().execute(f, ENUM_PARAMS(N, a)); \</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160;<span class="preprocessor"> \</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160;<span class="preprocessor"> template &lt;typename F, ENUM_PARAMS(N, typename A)&gt; \</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160;<span class="preprocessor"> Future&lt;Nothing&gt; async( \</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160;<span class="preprocessor"> const F&amp; f, \</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160;<span class="preprocessor"> ENUM_BINARY_PARAMS(N, A, a), \</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160;<span class="preprocessor"> typename std::enable_if&lt;std::is_void&lt;typename result_of&lt;F(ENUM_PARAMS(N, A))&gt;::type&gt;::value&gt;::type*) </span><span class="comment">/* NOLINT(whitespace/line_length) */</span><span class="preprocessor"> \</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160;<span class="preprocessor"> { \</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160;<span class="preprocessor"> return AsyncExecutor().execute(f, ENUM_PARAMS(N, a)); \</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160;<span class="preprocessor"> }</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; <a class="code" href="namespaceprocess.html#aefdb2dafcc91a996be425476adf2b4e0">REPEAT_FROM_TO</a>(1, 12, <a class="code" href="async_8hpp.html#a659a0f3373b1b8ed3e348bc4332657e2">TEMPLATE</a>, _) <span class="comment">// Args A0 -&gt; A10.</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160;<span class="preprocessor">#undef TEMPLATE</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160;} <span class="comment">// namespace process {</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;<span class="preprocessor">#endif // __ASYNC_HPP__</span></div>
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<div class="ttc" id="namespaceprocess_html_aff22904a83567125d3b4d0d88e5a2270"><div class="ttname"><a href="namespaceprocess.html#aff22904a83567125d3b4d0d88e5a2270">process::spawn</a></div><div class="ttdeci">UPID spawn(ProcessBase *process, bool manage=false)</div><div class="ttdoc">Spawn a new process. </div></div>
<div class="ttc" id="namespaceprocess_html_a20443908afa3212215166e26065349e5"><div class="ttname"><a href="namespaceprocess.html#a20443908afa3212215166e26065349e5">process::terminate</a></div><div class="ttdeci">void terminate(const UPID &amp;pid, bool inject=true)</div><div class="ttdoc">Sends a TerminateEvent to the given process. </div></div>
<div class="ttc" id="classprocess_1_1AsyncExecutor_html"><div class="ttname"><a href="classprocess_1_1AsyncExecutor.html">process::AsyncExecutor</a></div><div class="ttdef"><b>Definition:</b> async.hpp:137</div></div>
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<div class="ttc" id="classprocess_1_1AsyncExecutor_html_a502e4f9c00f1d1280f732a7bd8a68434"><div class="ttname"><a href="classprocess_1_1AsyncExecutor.html#a502e4f9c00f1d1280f732a7bd8a68434">process::AsyncExecutor::async</a></div><div class="ttdeci">friend Future&lt; typename result_of&lt; F()&gt;::type &gt; async(const F &amp;f, typename std::enable_if&lt;!std::is_void&lt; typename result_of&lt; F()&gt;::type &gt;::value &gt;::type *)</div></div>
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<div class="ttc" id="namespaceprocess_html_aefdb2dafcc91a996be425476adf2b4e0"><div class="ttname"><a href="namespaceprocess.html#aefdb2dafcc91a996be425476adf2b4e0">process::REPEAT_FROM_TO</a></div><div class="ttdeci">REPEAT_FROM_TO(1, 12, TEMPLATE, _) class AsyncExecutorProcess</div><div class="ttdef"><b>Definition:</b> async.hpp:63</div></div>
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<div class="ttc" id="namespaceos_html_ae19e4161a51b86a1f330f3bf1dc75389"><div class="ttname"><a href="namespaceos.html#ae19e4161a51b86a1f330f3bf1dc75389">os::process</a></div><div class="ttdeci">Result&lt; Process &gt; process(pid_t pid)</div><div class="ttdef"><b>Definition:</b> freebsd.hpp:30</div></div>
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