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<div class="title">Subprocess.cpp</div>  </div>
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<a href="Subprocess_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="Subprocess_8hpp.html">chi/Support/Subprocess.hpp</a>&quot;</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="Result_8hpp.html">chi/Support/Result.hpp</a>&quot;</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;</div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &lt;cassert&gt;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &lt;thread&gt;</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;</div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &lt;boost/algorithm/string/replace.hpp&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// Win32 Implementation</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#ifdef WIN32</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#define WIN32_LEAN_AND_MEAN</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &quot;windows.h&quot;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacechi.html">chi</a> {</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keyword">namespace </span>{</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">// http://stackoverflow.com/questions/1387064/how-to-get-the-error-message-from-the-error-code-returned-by-getlasterror</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">// Returns the last Win32 error, in string format. Returns an empty string if there is no error.</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;std::string GetLastErrorAsString() {</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    <span class="comment">// Get the error message, if any.</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    DWORD errorMessageID = GetLastError();</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    <span class="keywordflow">if</span> (errorMessageID == 0) <span class="keywordflow">return</span> std::string();  <span class="comment">// No error message has been recorded</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    LPSTR  messageBuffer = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span class="keywordtype">size_t</span> size          = FormatMessageA(</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        NULL, errorMessageID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&amp;messageBuffer, 0,</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        NULL);</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    std::string message(messageBuffer, size);</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    <span class="comment">// Free the buffer.</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    LocalFree(messageBuffer);</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="keywordflow">return</span> message;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;}</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment">// taken from</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">// https://docs.microsoft.com/en-us/visualstudio/debugger/how-to-set-a-thread-name-in-native-code</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#pragma pack(push, 8)</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct </span>tagTHREADNAME_INFO {</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    DWORD  dwType;      <span class="comment">// Must be 0x1000.</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    LPCSTR szName;      <span class="comment">// Pointer to name (in user addr space).</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    DWORD  dwThreadID;  <span class="comment">// Thread ID (-1=caller thread).</span></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    DWORD  dwFlags;     <span class="comment">// Reserved for future use, must be zero.</span></div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;} THREADNAME_INFO;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#pragma pack(pop)</span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="keywordtype">void</span> SetThreadName(HANDLE thread, <span class="keyword">const</span> <span class="keywordtype">char</span>* name) {</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    THREADNAME_INFO info;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    info.dwType     = 0x1000;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    info.szName     = name;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    info.dwThreadID = GetThreadId(thread);</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    info.dwFlags    = 0;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">#pragma warning(push)</span></div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor">#pragma warning(disable : 6320 6322)</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    __try {</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        RaiseException(0x406D1388, 0, <span class="keyword">sizeof</span>(info) / <span class="keyword">sizeof</span>(ULONG_PTR), (ULONG_PTR*)&amp;info);</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    } __except (EXCEPTION_EXECUTE_HANDLER) {}</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">#pragma warning(pop)</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;}</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;}  <span class="comment">// namespace</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="keyword">struct </span>Subprocess::Implementation {</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    HANDLE StdIn_Write = 0;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    HANDLE StdOut_Read = 0;</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;    HANDLE StdErr_Read = 0;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    PROCESS_INFORMATION procInfo = {};</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    std::thread stdoutThread;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    std::thread stderrThread;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;};</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<a class="code" href="structchi_1_1Subprocess.html#a9c0188c9acdac32fa874f9539818b99b">Subprocess::~Subprocess</a>() {</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    wait();</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="comment">// close the FDs</span></div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    CloseHandle(mPimpl-&gt;StdOut_Read);</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    CloseHandle(mPimpl-&gt;StdErr_Read);</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;    mPimpl-&gt;StdOut_Read = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    mPimpl-&gt;StdErr_Read = <span class="keyword">nullptr</span>;</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;    <span class="keywordflow">if</span> (mPimpl-&gt;StdIn_Write != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        CloseHandle(mPimpl-&gt;StdIn_Write);</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        mPimpl-&gt;StdIn_Write = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    }</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keywordflow">if</span> (mPimpl-&gt;stdoutThread.joinable()) { mPimpl-&gt;stdoutThread.join(); }</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;    <span class="keywordflow">if</span> (mPimpl-&gt;stderrThread.joinable()) { mPimpl-&gt;stderrThread.join(); }</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;}</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;Result <a class="code" href="structchi_1_1Subprocess.html#a62114d525126e682028af5a906f771a6">Subprocess::pushToStdIn</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* data, <span class="keywordtype">size_t</span> size) {</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    assert(started() &amp;&amp; <span class="stringliteral">&quot;Process must be started to push to stdin&quot;</span>);</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    assert(!isStdInClosed() &amp;&amp; <span class="stringliteral">&quot;Cannot push to stdin after closing stdin&quot;</span>);</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    Result res;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <span class="keywordflow">if</span> (size == 0) { <span class="keywordflow">return</span> {}; }</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    DWORD bytesWritten;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="keywordflow">if</span> (!WriteFile(mPimpl-&gt;StdIn_Write, data, size, &amp;bytesWritten, <span class="keyword">nullptr</span>)) {</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to write to stdin for process&quot;</span>,</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;                     {{<span class="stringliteral">&quot;Error Message&quot;</span>, GetLastErrorAsString()}});</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    }</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keywordflow">if</span> (bytesWritten == 0) {</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;No bytes were written to stdin&quot;</span>,</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;                     {{<span class="stringliteral">&quot;Error Message&quot;</span>, GetLastErrorAsString()}});</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    }</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;}</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;Result <a class="code" href="structchi_1_1Subprocess.html#a45fd483d620609100cdd6065ce4751f2">Subprocess::closeStdIn</a>() {</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    assert(running() &amp;&amp; <span class="stringliteral">&quot;You cannot close stdin for a process you never started&quot;</span>);</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    assert(!isStdInClosed() &amp;&amp; <span class="stringliteral">&quot;You cannot close stdin for a process you never started&quot;</span>);</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    Result res;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="keywordflow">if</span> (!CloseHandle(mPimpl-&gt;StdIn_Write)) {</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to close process stdin&quot;</span>,</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;                     {{<span class="stringliteral">&quot;Error Message&quot;</span>, GetLastErrorAsString()}});</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    }</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    mPimpl-&gt;StdIn_Write = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    mStdInClosed = <span class="keyword">true</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;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;}</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;Result <a class="code" href="structchi_1_1Subprocess.html#a1a8a312f1f2279a6b0290c3794968136">Subprocess::start</a>() {</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    assert(!started() &amp;&amp; <span class="stringliteral">&quot;Cannot start a Subprocess twice&quot;</span>);</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    Result res;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="comment">// Create SECURITY_ATTRIBUTES struct</span></div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    SECURITY_ATTRIBUTES secAttributes;</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    secAttributes.nLength              = <span class="keyword">sizeof</span>(SECURITY_ATTRIBUTES);</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    secAttributes.bInheritHandle       = <span class="keyword">true</span>;</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    secAttributes.lpSecurityDescriptor = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    HANDLE stdoutWrite;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    HANDLE stderrWrite;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    HANDLE stdinRead;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    <span class="comment">// create stdout pipe</span></div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keywordflow">if</span> (!CreatePipe(&amp;mPimpl-&gt;StdOut_Read, &amp;stdoutWrite, &amp;secAttributes, 0)) {</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to create stdout pipe&quot;</span>,</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;                     {{<span class="stringliteral">&quot;Error Message&quot;</span>, GetLastErrorAsString()}});</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    }</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    <span class="comment">// make sure the read handle isn&#39;t inhereited</span></div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    <span class="keywordflow">if</span> (!SetHandleInformation(mPimpl-&gt;StdOut_Read, HANDLE_FLAG_INHERIT, 0)) {</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to SetHandleInformation&quot;</span>,</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;                     {{<span class="stringliteral">&quot;Error Message&quot;</span>, GetLastErrorAsString()}});</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    }</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="comment">// create stderr pipe</span></div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    <span class="keywordflow">if</span> (!CreatePipe(&amp;mPimpl-&gt;StdErr_Read, &amp;stderrWrite, &amp;secAttributes, 0)) {</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to create stderr pipe&quot;</span>,</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;                     {{<span class="stringliteral">&quot;Error Message&quot;</span>, GetLastErrorAsString()}});</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        <span class="keywordflow">return</span> res;</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="comment">// make sure the read handle isn&#39;t inhereited</span></div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keywordflow">if</span> (!SetHandleInformation(mPimpl-&gt;StdErr_Read, HANDLE_FLAG_INHERIT, 0)) {</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to SetHandleInformation&quot;</span>,</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;                     {{<span class="stringliteral">&quot;Error Message&quot;</span>, GetLastErrorAsString()}});</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        <span class="keywordflow">return</span> res;</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;</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    <span class="comment">// create stdin pipe</span></div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    <span class="keywordflow">if</span> (!CreatePipe(&amp;stdinRead, &amp;mPimpl-&gt;StdIn_Write, &amp;secAttributes, 0)) {</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to create stdin pipe&quot;</span>,</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;                     {{<span class="stringliteral">&quot;Error Message&quot;</span>, GetLastErrorAsString()}});</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    }</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    <span class="comment">// make sure the read handle isn&#39;t inhereited</span></div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    <span class="keywordflow">if</span> (!SetHandleInformation(mPimpl-&gt;StdIn_Write, HANDLE_FLAG_INHERIT, 0)) {</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to SetHandleInformation&quot;</span>,</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;                     {{<span class="stringliteral">&quot;Error Message&quot;</span>, GetLastErrorAsString()}});</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    }</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="comment">// finally start the process</span></div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    <span class="comment">// create commandline</span></div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    std::wstring commandLine = L<span class="charliteral">&#39;&quot;&#39;</span> + mExePath.wstring() + L<span class="charliteral">&#39;&quot;&#39;</span>;</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; cmd : mArguments) {</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;        std::wstring wCmd;</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;        std::copy(cmd.begin(), cmd.end(), std::back_inserter(wCmd));</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;        boost::algorithm::replace_all(wCmd, L<span class="stringliteral">&quot;\&quot;&quot;</span>, L<span class="stringliteral">&quot;\\\&quot;&quot;</span>);</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        commandLine += L<span class="stringliteral">&quot; \&quot;&quot;</span> + wCmd + L<span class="charliteral">&#39;&quot;&#39;</span>;</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    }</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    ZeroMemory(&amp;mPimpl-&gt;procInfo, <span class="keyword">sizeof</span>(PROCESS_INFORMATION));</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    <span class="comment">// setup startupInfo</span></div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    STARTUPINFOW startupInfo;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    ZeroMemory(&amp;startupInfo, <span class="keyword">sizeof</span>(startupInfo));</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    startupInfo.cb         = <span class="keyword">sizeof</span>(startupInfo);</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    startupInfo.hStdError  = stderrWrite;</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    startupInfo.hStdOutput = stdoutWrite;</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    startupInfo.hStdInput  = stdinRead;</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    startupInfo.dwFlags |= STARTF_USESTDHANDLES;</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    <span class="comment">// create the process</span></div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    <span class="keywordflow">if</span> (!CreateProcessW(<span class="keyword">nullptr</span>, &amp;commandLine[0], <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, TRUE, 0, <span class="keyword">nullptr</span>,</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;                        mWorkingDir.c_str(), &amp;startupInfo, &amp;mPimpl-&gt;procInfo)) {</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;        res.addEntry(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to CreateProcess&quot;</span>,</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;                     {{<span class="stringliteral">&quot;Error Message&quot;</span>, GetLastErrorAsString()}});</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    }</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    <span class="comment">// Close the thread handle, we don&#39;t need it</span></div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    CloseHandle(mPimpl-&gt;procInfo.hThread);</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    <span class="comment">// close the handles to the ends of the pipe we don&#39;t use</span></div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    CloseHandle(stderrWrite);</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    CloseHandle(stdoutWrite);</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    CloseHandle(stdinRead);</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;    <span class="comment">// start threads for listening for input</span></div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    mPimpl-&gt;stdoutThread = std::thread([<span class="keyword">this</span>]() {</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;        <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;            DWORD bytesRead;</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;            std::vector&lt;char&gt; buffer;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;            buffer.resize(8192);</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;            <span class="keywordflow">if</span> (!ReadFile(mPimpl-&gt;StdOut_Read, buffer.data(), buffer.size(), &amp;bytesRead, <span class="keyword">nullptr</span>)) {</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;                <span class="keywordflow">return</span>;</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;</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;            <span class="keywordflow">if</span> (bytesRead == 0) { <span class="keywordflow">return</span>; }</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;            <span class="comment">// send it</span></div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;            <span class="keywordflow">if</span> (mStdOutHandler) { mStdOutHandler(buffer.data(), bytesRead); }</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;        }</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;<span class="preprocessor">#ifndef NDEBUG</span></div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;    {</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;        <span class="keyword">auto</span> threadName = mExePath.filename().string() + <span class="stringliteral">&quot; stdout reader&quot;</span>;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;        <span class="comment">// name the thread for debugging</span></div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        SetThreadName(mPimpl-&gt;stdoutThread.native_handle(), threadName.c_str());</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;    }</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    <span class="comment">// start threads for listening for input</span></div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    mPimpl-&gt;stderrThread = std::thread([<span class="keyword">this</span>]() {</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;        <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;            DWORD bytesRead;</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;            std::vector&lt;char&gt; buffer;</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;            buffer.resize(8192);</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;            <span class="keywordflow">if</span> (!ReadFile(mPimpl-&gt;StdErr_Read, buffer.data(), buffer.size(), &amp;bytesRead, <span class="keyword">nullptr</span>)) {</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;                <span class="keywordflow">return</span>;</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;            }</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;            <span class="keywordflow">if</span> (bytesRead == 0) { <span class="keywordflow">return</span>; }</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;            <span class="comment">// send it</span></div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;            <span class="keywordflow">if</span> (mStdErrHandler) { mStdErrHandler(buffer.data(), bytesRead); }</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;        }</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;    });</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="preprocessor">#ifndef NDEBUG</span></div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    {</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;        <span class="keyword">auto</span> threadName = mExePath.filename().string() + <span class="stringliteral">&quot; stderr reader&quot;</span>;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;        <span class="comment">// name the thread for debugging</span></div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        SetThreadName(mPimpl-&gt;stderrThread.native_handle(), threadName.c_str());</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    }</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    mStarted = <span class="keyword">true</span>;</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;}</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="keywordtype">void</span> <a class="code" href="structchi_1_1Subprocess.html#aaaf29ada876d6088621cc0d8c84c7e47">Subprocess::kill</a>() {</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;    <span class="keywordflow">if</span> (running()) { TerminateProcess(mPimpl-&gt;procInfo.hProcess, 9); }</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;}</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="keywordtype">void</span> <a class="code" href="structchi_1_1Subprocess.html#aeea9178c987445e45d97e4d4210a983c">Subprocess::wait</a>() {</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;    assert(started() &amp;&amp; <span class="stringliteral">&quot;Cannot wait for a process before it&#39;s started&quot;</span>);</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    <span class="comment">// wait for it to complete</span></div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    WaitForSingleObject(mPimpl-&gt;procInfo.hProcess, INFINITE);</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;}</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;<span class="keywordtype">int</span> <a class="code" href="structchi_1_1Subprocess.html#a2f57bcbe46b93798d8ca769dc7aab4c9">chi::Subprocess::exitCode</a>() {</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    wait();</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    DWORD exitCode = 0;</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    <span class="keywordflow">if</span> (!GetExitCodeProcess(mPimpl-&gt;procInfo.hProcess, &amp;exitCode)) {</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;        <span class="keywordflow">return</span> -1;  <span class="comment">// what should this be?</span></div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    }</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    <span class="keywordflow">return</span> exitCode;</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;}</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;</div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="keywordtype">bool</span> <a class="code" href="structchi_1_1Subprocess.html#ab07c04b4c4ef24cde067e11faf0837ce">Subprocess::running</a>() {</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;    assert(started() &amp;&amp; <span class="stringliteral">&quot;Must start a process before checking if it&#39;s running&quot;</span>);</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    <span class="keywordflow">if</span> (mPimpl-&gt;procInfo.hProcess == 0) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;    DWORD exitCode = 0;</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;    <span class="keywordflow">if</span> (!GetExitCodeProcess(mPimpl-&gt;procInfo.hProcess, &amp;exitCode)) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    <span class="keywordflow">return</span> exitCode == STILL_ACTIVE;</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;}</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;}  <span class="comment">// namespace chi</span></div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;<span class="comment">// POSIX implementation</span></div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;</div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;<span class="preprocessor">#include &lt;signal.h&gt;</span></div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;<span class="preprocessor">#include &lt;sys/wait.h&gt;</span></div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;<span class="preprocessor">#include &lt;unistd.h&gt;</span></div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacechi.html">chi</a> {</div><div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;<span class="keyword">struct </span>Subprocess::Implementation {</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;    std::array&lt;int, 2&gt; stdinPipe = {{-1, -1}};</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;    std::array&lt;int, 2&gt; stdoutPipe = {{-1, -1}};</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    std::array&lt;int, 2&gt; stderrPipe = {{-1, -1}};</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;    <span class="keywordtype">int</span> childPID = -1;</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    std::thread stdoutThread;</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;    std::thread stderrThread;</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;};</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;</div><div class="line"><a name="l00353"></a><span class="lineno"><a class="line" href="structchi_1_1Subprocess.html#a9c0188c9acdac32fa874f9539818b99b">  353</a></span>&#160;<a class="code" href="structchi_1_1Subprocess.html#a9c0188c9acdac32fa874f9539818b99b">Subprocess::~Subprocess</a>() {</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;    wait();</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;    <span class="comment">// close the FDs</span></div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;    <span class="keywordflow">if</span> (isStdInClosed()) {</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;        close(mPimpl-&gt;stdinPipe[1]);</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;        mPimpl-&gt;stdinPipe[1] = -1;</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    }</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;    close(mPimpl-&gt;stdoutPipe[0]);</div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;    mPimpl-&gt;stdoutPipe[0] = -1;</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;    close(mPimpl-&gt;stderrPipe[0]);</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;    mPimpl-&gt;stderrPipe[0] = -1;</div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;    <span class="keywordflow">if</span> (mPimpl-&gt;stdoutThread.joinable()) { mPimpl-&gt;stdoutThread.join(); }</div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    <span class="keywordflow">if</span> (mPimpl-&gt;stderrThread.joinable()) { mPimpl-&gt;stderrThread.join(); }</div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;}</div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;</div><div class="line"><a name="l00374"></a><span class="lineno"><a class="line" href="structchi_1_1Subprocess.html#a62114d525126e682028af5a906f771a6">  374</a></span>&#160;<a class="code" href="structchi_1_1Result.html">Result</a> <a class="code" href="structchi_1_1Subprocess.html#a62114d525126e682028af5a906f771a6">Subprocess::pushToStdIn</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* data, <span class="keywordtype">size_t</span> size) {</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;    assert(started() &amp;&amp; <span class="stringliteral">&quot;Process must be started to push to stdin&quot;</span>);</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;    assert(!isStdInClosed() &amp;&amp; <span class="stringliteral">&quot;Cannot push to stdin after closing stdin&quot;</span>);</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;    <a class="code" href="structchi_1_1Result.html">Result</a> res;</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    <span class="keywordflow">if</span> (write(mPimpl-&gt;stdinPipe[1], data, size) == -1) {</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;        res.<a class="code" href="structchi_1_1Result.html#a59ef40f4a327cbdea263d6e4b5af2ad8">addEntry</a>(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to write to stdin pipe&quot;</span>, {{<span class="stringliteral">&quot;Error message&quot;</span>, strerror(errno)}});</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;    }</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;}</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;</div><div class="line"><a name="l00388"></a><span class="lineno"><a class="line" href="structchi_1_1Subprocess.html#a45fd483d620609100cdd6065ce4751f2">  388</a></span>&#160;<a class="code" href="structchi_1_1Result.html">Result</a> <a class="code" href="structchi_1_1Subprocess.html#a45fd483d620609100cdd6065ce4751f2">Subprocess::closeStdIn</a>() {</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;    assert(running() &amp;&amp; <span class="stringliteral">&quot;You cannot close stdin for a process you never started&quot;</span>);</div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;    assert(!isStdInClosed() &amp;&amp; <span class="stringliteral">&quot;You cannot close stdin for a process you never started&quot;</span>);</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;    <a class="code" href="structchi_1_1Result.html">Result</a> res;</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;    <span class="keywordflow">if</span> (close(mPimpl-&gt;stdinPipe[1]) == -1) {</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;        res.<a class="code" href="structchi_1_1Result.html#a59ef40f4a327cbdea263d6e4b5af2ad8">addEntry</a>(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to close stdin pipe&quot;</span>, {{<span class="stringliteral">&quot;Error Message&quot;</span>, strerror(errno)}});</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    }</div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;    mPimpl-&gt;stdinPipe[1] = -1;</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;</div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;    mStdInClosed = <span class="keyword">true</span>;</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;}</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;</div><div class="line"><a name="l00405"></a><span class="lineno"><a class="line" href="structchi_1_1Subprocess.html#a1a8a312f1f2279a6b0290c3794968136">  405</a></span>&#160;<a class="code" href="structchi_1_1Result.html">Result</a> <a class="code" href="structchi_1_1Subprocess.html#a1a8a312f1f2279a6b0290c3794968136">Subprocess::start</a>() {</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;    assert(!started() &amp;&amp; <span class="stringliteral">&quot;Cannot start a Subprocess twice&quot;</span>);</div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;    <a class="code" href="structchi_1_1Result.html">Result</a> res;</div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;</div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;    <span class="comment">// create pipes</span></div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;    <span class="keywordflow">if</span> (pipe(mPimpl-&gt;stdinPipe.data()) != 0) {</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;        res.<a class="code" href="structchi_1_1Result.html#a59ef40f4a327cbdea263d6e4b5af2ad8">addEntry</a>(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to create stdin pipe&quot;</span>, {{<span class="stringliteral">&quot;Error message&quot;</span>, strerror(errno)}});</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;    }</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;    <span class="keywordflow">if</span> (pipe(mPimpl-&gt;stdoutPipe.data()) != 0) {</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;        res.<a class="code" href="structchi_1_1Result.html#a59ef40f4a327cbdea263d6e4b5af2ad8">addEntry</a>(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to create stdout pipe&quot;</span>, {{<span class="stringliteral">&quot;Error message&quot;</span>, strerror(errno)}});</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;    }</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;    <span class="keywordflow">if</span> (pipe(mPimpl-&gt;stderrPipe.data()) != 0) {</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;        res.<a class="code" href="structchi_1_1Result.html#a59ef40f4a327cbdea263d6e4b5af2ad8">addEntry</a>(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to create stderr pipe&quot;</span>, {{<span class="stringliteral">&quot;Error message&quot;</span>, strerror(errno)}});</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;    }</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;    <span class="comment">// fork!</span></div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    mPimpl-&gt;childPID = fork();</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;    <span class="keywordflow">if</span> (mPimpl-&gt;childPID == -1) {</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;        res.<a class="code" href="structchi_1_1Result.html#a59ef40f4a327cbdea263d6e4b5af2ad8">addEntry</a>(<span class="stringliteral">&quot;EUKN&quot;</span>, <span class="stringliteral">&quot;Failed to fork&quot;</span>, {{<span class="stringliteral">&quot;Error message&quot;</span>, strerror(errno)}});</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;        <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;    }</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;    <span class="comment">// child process</span></div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;    <span class="keywordflow">if</span> (mPimpl-&gt;childPID == 0) {</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;        boost::filesystem::current_path(mWorkingDir);</div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;</div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;        <span class="comment">// make read end of stdin pipe the stdin stream, and same for the other pipes</span></div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;        dup2(mPimpl-&gt;stdinPipe[0], 0);</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;        dup2(mPimpl-&gt;stdoutPipe[1], 1);</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;        dup2(mPimpl-&gt;stderrPipe[1], 2);</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        <span class="comment">// close the other fds, we don&#39;t need them</span></div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;        close(mPimpl-&gt;stdinPipe[0]);</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;        close(mPimpl-&gt;stdinPipe[1]);</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;        close(mPimpl-&gt;stdoutPipe[0]);</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;        close(mPimpl-&gt;stdoutPipe[1]);</div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;        close(mPimpl-&gt;stderrPipe[0]);</div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;        close(mPimpl-&gt;stderrPipe[1]);</div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;        <span class="comment">// close open fds for the process (other than 0, 1, and 2 which are the std streams)</span></div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;        <span class="comment">// https://stackoverflow.com/questions/899038/getting-the-highest-allocated-file-descriptor/899533#899533</span></div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;        <span class="keywordtype">int</span> fd_max = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(sysconf(_SC_OPEN_MAX));  <span class="comment">// truncation is safe</span></div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> fd = 3; fd &lt; fd_max; fd++) close(fd);</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;        <span class="comment">// set group</span></div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;        setpgid(0, 0);</div><div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;</div><div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;        <span class="comment">// make argv</span></div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;        std::vector&lt;char*&gt; argv;</div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;        std::string        exePathStr = mExePath.string();</div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;        argv.push_back(&amp;exePathStr[0]);</div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;        <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; arg : mArguments) { argv.push_back(&amp;arg[0]); }</div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;        argv.push_back(<span class="keyword">nullptr</span>);</div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;        <span class="comment">// run the process</span></div><div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;        execvp(mExePath.c_str(), argv.data());</div><div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;</div><div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;        _exit(EXIT_FAILURE);</div><div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;    }</div><div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;</div><div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;    <span class="comment">// parent process</span></div><div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;</div><div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;    <span class="comment">// close the ends of the pipes we don&#39;t use</span></div><div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;    close(mPimpl-&gt;stdinPipe[0]);</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;    mPimpl-&gt;stdinPipe[0] = -1;</div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;    close(mPimpl-&gt;stdoutPipe[1]);</div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;    mPimpl-&gt;stdoutPipe[1] = -1;</div><div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;    close(mPimpl-&gt;stderrPipe[1]);</div><div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    mPimpl-&gt;stderrPipe[1] = -1;</div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;</div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="comment">// start threads</span></div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    mPimpl-&gt;stdoutThread = std::thread([<span class="keyword">this</span>] {</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;        std::array&lt;char, 4096&gt; buffer;</div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;        <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;            <span class="comment">// read from stdout</span></div><div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;            ssize_t bytesRead = read(mPimpl-&gt;stdoutPipe[0], buffer.data(), buffer.size());</div><div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;</div><div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;            <span class="comment">// error</span></div><div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;            <span class="keywordflow">if</span> (bytesRead == -1) { <span class="keywordflow">return</span>; }</div><div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;</div><div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;            <span class="comment">// 0 is EOF</span></div><div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;            <span class="keywordflow">if</span> (bytesRead == 0) { <span class="keywordflow">return</span>; }</div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;</div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;            <span class="keywordflow">if</span> (mStdOutHandler) { mStdOutHandler(buffer.data(), bytesRead); }</div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;        }</div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;    });</div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;</div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;    mPimpl-&gt;stderrThread = std::thread([<span class="keyword">this</span>] {</div><div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;</div><div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;        std::array&lt;char, 4096&gt; buffer;</div><div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;        <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div><div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;            <span class="comment">// read from stdout</span></div><div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;            ssize_t bytesRead = read(mPimpl-&gt;stderrPipe[0], buffer.data(), buffer.size());</div><div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;</div><div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;            <span class="comment">// error</span></div><div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;            <span class="keywordflow">if</span> (bytesRead == -1) { <span class="keywordflow">return</span>; }</div><div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;</div><div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;            <span class="comment">// 0 is EOF</span></div><div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;            <span class="keywordflow">if</span> (bytesRead == 0) { <span class="keywordflow">return</span>; }</div><div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;</div><div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;            <span class="keywordflow">if</span> (mStdErrHandler) { mStdErrHandler(buffer.data(), bytesRead); }</div><div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;        }</div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;    });</div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;</div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;    mStarted = <span class="keyword">true</span>;</div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;</div><div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;    <span class="keywordflow">return</span> {};</div><div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;}</div><div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;</div><div class="line"><a name="l00520"></a><span class="lineno"><a class="line" href="structchi_1_1Subprocess.html#aaaf29ada876d6088621cc0d8c84c7e47">  520</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="structchi_1_1Subprocess.html#aaaf29ada876d6088621cc0d8c84c7e47">Subprocess::kill</a>() {</div><div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;    assert(started() &amp;&amp; <span class="stringliteral">&quot;Cannot kill a process if it never started&quot;</span>);</div><div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;    ::kill(mPimpl-&gt;childPID, SIGINT);</div><div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;}</div><div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;</div><div class="line"><a name="l00525"></a><span class="lineno"><a class="line" href="structchi_1_1Subprocess.html#aeea9178c987445e45d97e4d4210a983c">  525</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="structchi_1_1Subprocess.html#aeea9178c987445e45d97e4d4210a983c">Subprocess::wait</a>() {</div><div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;    assert(started() &amp;&amp; <span class="stringliteral">&quot;Cannot wait for a process before it&#39;s started&quot;</span>);</div><div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;</div><div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;    <span class="keywordtype">int</span> exit_status;</div><div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;    waitpid(mPimpl-&gt;childPID, &amp;exit_status, 0);</div><div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;</div><div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;    <span class="keywordflow">if</span> (WIFEXITED(exit_status)) { mExitCode = WEXITSTATUS(exit_status); }</div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;}</div><div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;</div><div class="line"><a name="l00534"></a><span class="lineno"><a class="line" href="structchi_1_1Subprocess.html#a2f57bcbe46b93798d8ca769dc7aab4c9">  534</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="structchi_1_1Subprocess.html#a2f57bcbe46b93798d8ca769dc7aab4c9">chi::Subprocess::exitCode</a>() {</div><div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;    assert(started() &amp;&amp; <span class="stringliteral">&quot;Cannot get the exit code of a process before it&#39;s started&quot;</span>);</div><div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;</div><div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;    <span class="keywordflow">if</span> (mExitCode) { <span class="keywordflow">return</span> *mExitCode; }</div><div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;</div><div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;    <span class="keywordtype">int</span> exit_status;</div><div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;    <span class="keywordflow">if</span> (waitpid(mPimpl-&gt;childPID, &amp;exit_status, 0) == -1) { <span class="keywordflow">return</span> -1; }</div><div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;</div><div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;    <span class="keywordflow">if</span> (WIFEXITED(exit_status)) {</div><div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;        mExitCode = WEXITSTATUS(exit_status);</div><div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;        <span class="keywordflow">return</span> *mExitCode;</div><div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;    }</div><div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;</div><div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;    <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;}</div><div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;</div><div class="line"><a name="l00550"></a><span class="lineno"><a class="line" href="structchi_1_1Subprocess.html#ab07c04b4c4ef24cde067e11faf0837ce">  550</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="structchi_1_1Subprocess.html#ab07c04b4c4ef24cde067e11faf0837ce">Subprocess::running</a>() {</div><div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;    assert(started() &amp;&amp; <span class="stringliteral">&quot;Must start a process before checking if it&#39;s running&quot;</span>);</div><div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;</div><div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;    <span class="keywordtype">int</span> exit_status;</div><div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;</div><div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;    <span class="comment">// WNOHANG makes sure it doesn&#39;t wait until the process is done</span></div><div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;    <span class="keywordtype">int</span> status = waitpid(mPimpl-&gt;childPID, &amp;exit_status, WNOHANG);</div><div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;    <span class="keywordflow">if</span> (status == -1) {</div><div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;  <span class="comment">// error</span></div><div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;    }</div><div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;    <span class="keywordflow">if</span> (status == 0) { <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div><div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;    <span class="keywordflow">if</span> (WIFEXITED(exit_status)) { mExitCode = int(WEXITSTATUS(exit_status)); }</div><div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;}</div><div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;</div><div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;}  <span class="comment">// namespace chi</span></div><div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;</div><div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;</div><div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacechi.html">chi</a> {</div><div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;</div><div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;<span class="comment">// Common functions</span></div><div class="line"><a name="l00572"></a><span class="lineno"><a class="line" href="structchi_1_1Subprocess.html#a650660115d11ccf9f4d0e3569554115e">  572</a></span>&#160;<a class="code" href="structchi_1_1Subprocess.html#a650660115d11ccf9f4d0e3569554115e">Subprocess::Subprocess</a>(<span class="keyword">const</span> boost::filesystem::path&amp; path)</div><div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;    : mPimpl{std::make_unique&lt;Subprocess::Implementation&gt;()}, mExePath{path} {</div><div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;    assert(boost::filesystem::is_regular_file(path) &amp;&amp;</div><div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;           <span class="stringliteral">&quot;the path passed to subprocess is not a regular file&quot;</span>);</div><div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;}</div><div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;</div><div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;}  <span class="comment">// namespace chi</span></div><div class="ttc" id="structchi_1_1Subprocess_html_a9c0188c9acdac32fa874f9539818b99b"><div class="ttname"><a href="structchi_1_1Subprocess.html#a9c0188c9acdac32fa874f9539818b99b">chi::Subprocess::~Subprocess</a></div><div class="ttdeci">~Subprocess()</div><div class="ttdoc">Wait for the process to exit and close all open handles. </div><div class="ttdef"><b>Definition:</b> <a href="Subprocess_8cpp_source.html#l00353">Subprocess.cpp:353</a></div></div>
<div class="ttc" id="structchi_1_1Result_html_a59ef40f4a327cbdea263d6e4b5af2ad8"><div class="ttname"><a href="structchi_1_1Result.html#a59ef40f4a327cbdea263d6e4b5af2ad8">chi::Result::addEntry</a></div><div class="ttdeci">void addEntry(const char *ec, const char *overview, nlohmann::json data)</div><div class="ttdoc">Add a entry to the result, either a warning or an error. </div><div class="ttdef"><b>Definition:</b> <a href="Result_8cpp_source.html#l00052">Result.cpp:52</a></div></div>
<div class="ttc" id="Subprocess_8hpp_html"><div class="ttname"><a href="Subprocess_8hpp.html">Subprocess.hpp</a></div></div>
<div class="ttc" id="structchi_1_1Subprocess_html_aeea9178c987445e45d97e4d4210a983c"><div class="ttname"><a href="structchi_1_1Subprocess.html#aeea9178c987445e45d97e4d4210a983c">chi::Subprocess::wait</a></div><div class="ttdeci">void wait()</div><div class="ttdoc">Wait for the process to complete. </div><div class="ttdef"><b>Definition:</b> <a href="Subprocess_8cpp_source.html#l00525">Subprocess.cpp:525</a></div></div>
<div class="ttc" id="Result_8hpp_html"><div class="ttname"><a href="Result_8hpp.html">Result.hpp</a></div><div class="ttdoc">Defines the Result class and related functions. </div></div>
<div class="ttc" id="structchi_1_1Subprocess_html_a2f57bcbe46b93798d8ca769dc7aab4c9"><div class="ttname"><a href="structchi_1_1Subprocess.html#a2f57bcbe46b93798d8ca769dc7aab4c9">chi::Subprocess::exitCode</a></div><div class="ttdeci">int exitCode()</div><div class="ttdoc">Wait and gets the exit code. </div><div class="ttdef"><b>Definition:</b> <a href="Subprocess_8cpp_source.html#l00534">Subprocess.cpp:534</a></div></div>
<div class="ttc" id="structchi_1_1Subprocess_html_a45fd483d620609100cdd6065ce4751f2"><div class="ttname"><a href="structchi_1_1Subprocess.html#a45fd483d620609100cdd6065ce4751f2">chi::Subprocess::closeStdIn</a></div><div class="ttdeci">Result closeStdIn()</div><div class="ttdoc">Close the STDIN stream (send an EOF) </div><div class="ttdef"><b>Definition:</b> <a href="Subprocess_8cpp_source.html#l00388">Subprocess.cpp:388</a></div></div>
<div class="ttc" id="structchi_1_1Subprocess_html_a650660115d11ccf9f4d0e3569554115e"><div class="ttname"><a href="structchi_1_1Subprocess.html#a650660115d11ccf9f4d0e3569554115e">chi::Subprocess::Subprocess</a></div><div class="ttdeci">Subprocess(const boost::filesystem::path &amp;pathToExecutable)</div><div class="ttdoc">Construct a Subprocess with a path to an executable. </div><div class="ttdef"><b>Definition:</b> <a href="Subprocess_8cpp_source.html#l00572">Subprocess.cpp:572</a></div></div>
<div class="ttc" id="structchi_1_1Subprocess_html_a62114d525126e682028af5a906f771a6"><div class="ttname"><a href="structchi_1_1Subprocess.html#a62114d525126e682028af5a906f771a6">chi::Subprocess::pushToStdIn</a></div><div class="ttdeci">Result pushToStdIn(const char *data, size_t size)</div><div class="ttdoc">Pushes data to the stdin stream of the child process. </div><div class="ttdef"><b>Definition:</b> <a href="Subprocess_8cpp_source.html#l00374">Subprocess.cpp:374</a></div></div>
<div class="ttc" id="structchi_1_1Subprocess_html_ab07c04b4c4ef24cde067e11faf0837ce"><div class="ttname"><a href="structchi_1_1Subprocess.html#ab07c04b4c4ef24cde067e11faf0837ce">chi::Subprocess::running</a></div><div class="ttdeci">bool running()</div><div class="ttdoc">Check if the process is still running. </div><div class="ttdef"><b>Definition:</b> <a href="Subprocess_8cpp_source.html#l00550">Subprocess.cpp:550</a></div></div>
<div class="ttc" id="structchi_1_1Subprocess_html_a1a8a312f1f2279a6b0290c3794968136"><div class="ttname"><a href="structchi_1_1Subprocess.html#a1a8a312f1f2279a6b0290c3794968136">chi::Subprocess::start</a></div><div class="ttdeci">Result start()</div><div class="ttdoc">Start the process. </div><div class="ttdef"><b>Definition:</b> <a href="Subprocess_8cpp_source.html#l00405">Subprocess.cpp:405</a></div></div>
<div class="ttc" id="structchi_1_1Subprocess_html_aaaf29ada876d6088621cc0d8c84c7e47"><div class="ttname"><a href="structchi_1_1Subprocess.html#aaaf29ada876d6088621cc0d8c84c7e47">chi::Subprocess::kill</a></div><div class="ttdeci">void kill()</div><div class="ttdoc">Kill the child process On POSIX, this sends SIGINT. </div><div class="ttdef"><b>Definition:</b> <a href="Subprocess_8cpp_source.html#l00520">Subprocess.cpp:520</a></div></div>
<div class="ttc" id="namespacechi_html"><div class="ttname"><a href="namespacechi.html">chi</a></div><div class="ttdoc">The namespace where chigraph lives. </div><div class="ttdef"><b>Definition:</b> <a href="BitcodeParser_8hpp_source.html#l00012">BitcodeParser.hpp:12</a></div></div>
<div class="ttc" id="structchi_1_1Result_html"><div class="ttname"><a href="structchi_1_1Result.html">chi::Result</a></div><div class="ttdoc">The result object, used for identifiying errors with good diagnostics. </div><div class="ttdef"><b>Definition:</b> <a href="Result_8hpp_source.html#l00072">Result.hpp:72</a></div></div>
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