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<div class="title">process.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com></span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// This file is part of the "winapi-common" project.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// For details, see https://github.com/egor-tensin/winapi-common.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Distributed under the MIT License.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>  </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <winapi/cmd_line.hpp></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <<a class="code" href="error_8hpp.html">winapi/error.hpp</a>></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <winapi/handle.hpp></span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <winapi/process.hpp></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <winapi/process_io.hpp></span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <winapi/resource.hpp></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <winapi/utf8.hpp></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// clang-format off</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <windows.h></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <shellapi.h></span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// clang-format on</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <cstddef></span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <cstring></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <limits></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <sstream></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <stdexcept></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <string></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <utility></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>winapi {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">using</span> EscapedCommandLine = std::vector<wchar_t>;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> EscapedCommandLine escape_command_line(<span class="keyword">const</span> CommandLine& cmd_line) {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">const</span> <span class="keyword">auto</span> unicode_cmd_line = widen(cmd_line.to_string());</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  EscapedCommandLine buffer;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  buffer.reserve(unicode_cmd_line.size() + 1);</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  buffer.assign(unicode_cmd_line.cbegin(), unicode_cmd_line.cend());</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  buffer.emplace_back(L<span class="charliteral">'\0'</span>);</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">return</span> buffer;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> }</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> Handle create_process(ProcessParameters& params) {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * When creating a new console process, the options are:</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * 1) inherit the parent console (the default),</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * 2) CREATE_NO_WINDOW,</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * 3) CREATE_NEW_CONSOLE,</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * 4) DETACHED_PROCESS.</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * Child processes can inherit the console.</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * By that I mean they will display their output in the same window.</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * If both the child process and the parent process read from stdin, there</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * is no way to say which process will read any given input byte.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * There's an excellent guide into all the intricacies of the CreateProcess</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * system call at</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * https://github.com/rprichard/win32-console-docs/blob/master/README.md</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * Another useful link is https://ikriv.com/dev/cpp/ConsoleProxy/flags.</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">static</span> constexpr DWORD default_dwCreationFlags = CREATE_UNICODE_ENVIRONMENT;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  STARTUPINFOW startup_info;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  std::memset(&startup_info, 0, <span class="keyword">sizeof</span>(startup_info));</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  startup_info.cb = <span class="keyword">sizeof</span>(startup_info);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (params.io) {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  startup_info.dwFlags |= STARTF_USESTDHANDLES;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  startup_info.hStdInput = <span class="keyword">static_cast<</span>HANDLE<span class="keyword">></span>(params.io->std_in.handle);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  startup_info.hStdOutput = <span class="keyword">static_cast<</span>HANDLE<span class="keyword">></span>(params.io->std_out.handle);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  startup_info.hStdError = <span class="keyword">static_cast<</span>HANDLE<span class="keyword">></span>(params.io->std_err.handle);</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">auto</span> dwCreationFlags = default_dwCreationFlags;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">switch</span> (params.console_mode) {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">case</span> ProcessParameters::ConsoleNone:</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  dwCreationFlags |= CREATE_NO_WINDOW;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">case</span> ProcessParameters::ConsoleInherit:</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// This is the default.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">case</span> ProcessParameters::ConsoleNew:</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  dwCreationFlags |= CREATE_NEW_CONSOLE;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  PROCESS_INFORMATION child_info;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  std::memset(&child_info, 0, <span class="keyword">sizeof</span>(child_info));</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">auto</span> cmd_line = escape_command_line(params.cmd_line);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">const</span> <span class="keyword">auto</span> ret = ::CreateProcessW(NULL,</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  cmd_line.data(),</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  NULL,</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  NULL,</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  TRUE,</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  dwCreationFlags,</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  NULL,</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  NULL,</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  &startup_info,</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  &child_info);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (!ret) {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"CreateProcessW"</span>);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (params.io) {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  params.io->close();</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  Handle process{child_info.hProcess};</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  Handle thread{child_info.hThread};</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> process;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> Handle shell_execute(<span class="keyword">const</span> ShellParameters& params) {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">const</span> <span class="keyword">auto</span> lpVerb = params.verb ? widen(*params.verb) : L<span class="stringliteral">"open"</span>;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> <span class="keyword">auto</span> lpFile = widen(params.cmd_line.get_argv0());</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">const</span> <span class="keyword">auto</span> lpParameters = widen(params.cmd_line.args_to_string());</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">static</span> constexpr uint32_t default_fMask = SEE_MASK_NOCLOSEPROCESS | SEE_MASK_FLAG_NO_UI;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">auto</span> fMask = default_fMask;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">auto</span> nShow = SW_SHOWDEFAULT;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">switch</span> (params.console_mode) {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">case</span> ProcessParameters::ConsoleNone:</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  nShow = SW_HIDE;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">case</span> ProcessParameters::ConsoleInherit:</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  fMask |= SEE_MASK_NO_CONSOLE;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">case</span> ProcessParameters::ConsoleNew:</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// This is the default.</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  SHELLEXECUTEINFOW info;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  std::memset(&info, 0, <span class="keyword">sizeof</span>(info));</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  info.cbSize = <span class="keyword">sizeof</span>(info);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  info.fMask = fMask;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  info.lpVerb = lpVerb.c_str();</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  info.lpFile = lpFile.c_str();</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (!lpParameters.empty())</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  info.lpParameters = lpParameters.c_str();</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  info.nShow = nShow;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (!::ShellExecuteExW(&info)) {</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"ShellExecuteExW"</span>);</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> Handle{info.hProcess};</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> Handle open_process(DWORD <span class="keywordtype">id</span>, DWORD permissions) {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  Handle process{OpenProcess(permissions, FALSE, <span class="keywordtype">id</span>)};</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span> (!process.is_valid()) {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"OpenProcess"</span>);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> process;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> }</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">class </span>PathBuffer {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  PathBuffer() : m_size{min_size} { m_data.resize(m_size); }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  DWORD get_size()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_size; }</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">wchar_t</span>* get_data() { <span class="keywordflow">return</span> m_data.data(); }</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">void</span> grow() {</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span> (m_size < min_size) {</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  m_size = min_size;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// Check if we can still multiply by two.</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (std::numeric_limits<decltype(m_size)>::max() - m_size < m_size)</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">throw</span> std::range_error{<span class="stringliteral">"Path buffer is too large"</span>};</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  m_size *= 2;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  m_data.resize(m_size);</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">static</span> constexpr DWORD min_size = MAX_PATH;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  DWORD m_size;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  std::vector<wchar_t> m_data;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> };</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> std::string get_current_exe_path(PathBuffer& buffer) {</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  SetLastError(ERROR_SUCCESS);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">const</span> <span class="keyword">auto</span> ec = ::GetModuleFileNameW(NULL, buffer.get_data(), buffer.get_size());</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (ec == 0) {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"GetModuleFileNameW"</span>);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">if</span> (ec == buffer.get_size() && GetLastError() == ERROR_INSUFFICIENT_BUFFER) {</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  buffer.grow();</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> get_current_exe_path(buffer);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> narrow(buffer.get_data());</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> std::string get_current_exe_path() {</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  PathBuffer buffer;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span> get_current_exe_path(buffer);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> std::string get_exe_path(<span class="keyword">const</span> Handle& process, PathBuffer& buffer) {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">auto</span> size = buffer.get_size();</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">const</span> <span class="keyword">auto</span> ec = ::QueryFullProcessImageNameW(process.get(), 0, buffer.get_data(), &size);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  </div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> (ec != 0) {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">return</span> narrow(buffer.get_data());</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  buffer.grow();</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> get_exe_path(process, buffer);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  </div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"QueryFullProcessImageNameW"</span>);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> }</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> std::string get_exe_path(<span class="keyword">const</span> Handle& process) {</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  PathBuffer buffer;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">return</span> get_exe_path(process, buffer);</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> }</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  </div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> } <span class="comment">// namespace</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
<div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a6ef0ce275ef09ed6ef1e115afeee7e6a"> 241</a></span> <a class="code" href="classwinapi_1_1Process.html">Process</a> <a class="code" href="classwinapi_1_1Process.html#a6ef0ce275ef09ed6ef1e115afeee7e6a">Process::create</a>(<a class="code" href="structwinapi_1_1ProcessParameters.html">ProcessParameters</a> params) {</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> <a class="code" href="classwinapi_1_1Process.html">Process</a>{create_process(params)};</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> }</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  </div>
<div class="line"><a name="l00245"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#ac4eaeb85aa25acec5e4421e1239f315f"> 245</a></span> <a class="code" href="classwinapi_1_1Process.html">Process</a> <a class="code" href="classwinapi_1_1Process.html#a6ef0ce275ef09ed6ef1e115afeee7e6a">Process::create</a>(<span class="keyword">const</span> <a class="code" href="classwinapi_1_1CommandLine.html">CommandLine</a>& cmd_line) {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="structwinapi_1_1ProcessParameters.html">ProcessParameters</a> params{cmd_line};</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">return</span> <a class="code" href="classwinapi_1_1Process.html#a6ef0ce275ef09ed6ef1e115afeee7e6a">create</a>(std::move(params));</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
<div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a16be6c3dc62d500ca8924b359e5193cc"> 250</a></span> <a class="code" href="classwinapi_1_1Process.html">Process</a> <a class="code" href="classwinapi_1_1Process.html#a6ef0ce275ef09ed6ef1e115afeee7e6a">Process::create</a>(<span class="keyword">const</span> <a class="code" href="classwinapi_1_1CommandLine.html">CommandLine</a>& cmd_line, <a class="code" href="structwinapi_1_1process_1_1IO.html">process::IO</a> io) {</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <a class="code" href="structwinapi_1_1ProcessParameters.html">ProcessParameters</a> params{cmd_line};</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  params.io = std::move(io);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">return</span> <a class="code" href="classwinapi_1_1Process.html#a6ef0ce275ef09ed6ef1e115afeee7e6a">create</a>(std::move(params));</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> }</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
<div class="line"><a name="l00256"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#aa9f7cbc9b0e5530f0746606aacc5584e"> 256</a></span> <a class="code" href="classwinapi_1_1Process.html">Process</a> <a class="code" href="classwinapi_1_1Process.html#aa9f7cbc9b0e5530f0746606aacc5584e">Process::shell</a>(<span class="keyword">const</span> <a class="code" href="structwinapi_1_1ShellParameters.html">ShellParameters</a>& params) {</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> <a class="code" href="classwinapi_1_1Process.html">Process</a>{shell_execute(params)};</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> }</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  </div>
<div class="line"><a name="l00260"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a24e1cbd68bc2dda73220b840979a84b0"> 260</a></span> <a class="code" href="classwinapi_1_1Process.html">Process</a> <a class="code" href="classwinapi_1_1Process.html#aa9f7cbc9b0e5530f0746606aacc5584e">Process::shell</a>(<span class="keyword">const</span> <a class="code" href="classwinapi_1_1CommandLine.html">CommandLine</a>& cmd_line) {</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="structwinapi_1_1ShellParameters.html">ShellParameters</a> params{cmd_line};</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span> <a class="code" href="classwinapi_1_1Process.html#aa9f7cbc9b0e5530f0746606aacc5584e">shell</a>(params);</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> }</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
<div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a4edc58e78ee81e5531af34fc4f806e24"> 265</a></span> <a class="code" href="classwinapi_1_1Process.html">Process</a> <a class="code" href="classwinapi_1_1Process.html#a4edc58e78ee81e5531af34fc4f806e24">Process::current</a>() {</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">return</span> <a class="code" href="classwinapi_1_1Process.html">Process</a>{::GetCurrentProcessId(), <a class="code" href="classwinapi_1_1Handle.html">Handle</a>{::GetCurrentProcess()}};</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> }</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  </div>
<div class="line"><a name="l00269"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a48964bbb7968bd7b6796e8a3306d58d9"> 269</a></span> <a class="code" href="classwinapi_1_1Process.html">Process</a> <a class="code" href="classwinapi_1_1Process.html#a48964bbb7968bd7b6796e8a3306d58d9">Process::open</a>(DWORD <span class="keywordtype">id</span>, DWORD permissions) {</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">return</span> <a class="code" href="classwinapi_1_1Process.html">Process</a>{id, open_process(<span class="keywordtype">id</span>, permissions)};</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> }</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  </div>
<div class="line"><a name="l00273"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#af9d748078299957519ee67fd7f1e49b3"> 273</a></span> <a class="code" href="classwinapi_1_1Process.html">Process</a> <a class="code" href="classwinapi_1_1Process.html#af9d748078299957519ee67fd7f1e49b3">Process::open_r</a>(DWORD <span class="keywordtype">id</span>) {</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">return</span> <a class="code" href="classwinapi_1_1Process.html#a48964bbb7968bd7b6796e8a3306d58d9">open</a>(<span class="keywordtype">id</span>, <a class="code" href="classwinapi_1_1Process.html#a4fc3ed404c1cf67dabb7867d0c9f638c">read_permissions</a>());</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> }</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
<div class="line"><a name="l00277"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a4fffc3755642f3db56902106f1b96040"> 277</a></span> DWORD <a class="code" href="classwinapi_1_1Process.html#a4fffc3755642f3db56902106f1b96040">Process::default_permissions</a>() {</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">return</span> PROCESS_QUERY_INFORMATION;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  </div>
<div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a4fc3ed404c1cf67dabb7867d0c9f638c"> 281</a></span> DWORD <a class="code" href="classwinapi_1_1Process.html#a4fc3ed404c1cf67dabb7867d0c9f638c">Process::read_permissions</a>() {</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> <a class="code" href="classwinapi_1_1Process.html#a4fffc3755642f3db56902106f1b96040">default_permissions</a>() | PROCESS_VM_READ;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> }</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
<div class="line"><a name="l00285"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a5b02393edb57bd902e321037133c40eb"> 285</a></span> <span class="keywordtype">bool</span> <a class="code" href="classwinapi_1_1Process.html#a5b02393edb57bd902e321037133c40eb">Process::is_running</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">const</span> <span class="keyword">auto</span> ret = ::WaitForSingleObject(<span class="keyword">static_cast<</span>HANDLE<span class="keyword">></span>(m_handle), 0);</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">switch</span> (ret) {</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">case</span> WAIT_OBJECT_0:</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">case</span> WAIT_TIMEOUT:</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">case</span> WAIT_FAILED:</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"WaitForSingleObject"</span>);</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// Shouldn't happen.</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">throw</span> error::custom(ret, <span class="stringliteral">"WaitForSingleObject"</span>);</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  }</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> }</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
<div class="line"><a name="l00301"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a273dcbc8cd69539d0f9fd4d1e09e67a7"> 301</a></span> <span class="keywordtype">void</span> <a class="code" href="classwinapi_1_1Process.html#a273dcbc8cd69539d0f9fd4d1e09e67a7">Process::wait</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">const</span> <span class="keyword">auto</span> ret = ::WaitForSingleObject(<span class="keyword">static_cast<</span>HANDLE<span class="keyword">></span>(m_handle), INFINITE);</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  </div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">switch</span> (ret) {</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">case</span> WAIT_OBJECT_0:</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">case</span> WAIT_FAILED:</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"WaitForSingleObject"</span>);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">// Shouldn't happen.</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">throw</span> error::custom(ret, <span class="stringliteral">"WaitForSingleObject"</span>);</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  }</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> }</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div>
<div class="line"><a name="l00315"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a155aefb272a151126fe2a65d583be880"> 315</a></span> <span class="keywordtype">void</span> <a class="code" href="classwinapi_1_1Process.html#a155aefb272a151126fe2a65d583be880">Process::terminate</a>(<span class="keywordtype">int</span> ec)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (!::TerminateProcess(<span class="keyword">static_cast<</span>HANDLE<span class="keyword">></span>(m_handle), <span class="keyword">static_cast<</span>UINT<span class="keyword">></span>(ec))) {</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"TerminateProcess"</span>);</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> }</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
<div class="line"><a name="l00321"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a1aedc4814dd9c154b6e03e572d873755"> 321</a></span> <span class="keywordtype">void</span> <a class="code" href="classwinapi_1_1Process.html#a1aedc4814dd9c154b6e03e572d873755">Process::shut_down</a>(<span class="keywordtype">int</span> ec)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <a class="code" href="classwinapi_1_1Process.html#a155aefb272a151126fe2a65d583be880">terminate</a>(ec);</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <a class="code" href="classwinapi_1_1Process.html#a273dcbc8cd69539d0f9fd4d1e09e67a7">wait</a>();</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> }</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  </div>
<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a359c11337c7e50370cd5375efa841131"> 326</a></span> <span class="keywordtype">int</span> <a class="code" href="classwinapi_1_1Process.html#a359c11337c7e50370cd5375efa841131">Process::get_exit_code</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  DWORD ec = 0;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  </div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keyword">const</span> <span class="keyword">auto</span> ret = ::GetExitCodeProcess(<span class="keyword">static_cast<</span>HANDLE<span class="keyword">></span>(m_handle), &ec);</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (!ret) {</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"GetExitCodeProcess"</span>);</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  }</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">if</span> (ec == STILL_ACTIVE) {</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">throw</span> std::runtime_error{<span class="stringliteral">"Attempted to query the exit code of a running process"</span>};</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  </div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(ec);</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> }</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  </div>
<div class="line"><a name="l00342"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a86cea0dd87e63ef93f6575d601ab31f5"> 342</a></span> std::string <a class="code" href="classwinapi_1_1Process.html#a86cea0dd87e63ef93f6575d601ab31f5">Process::get_exe_path</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">if</span> (m_handle.get() == ::GetCurrentProcess()) {</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">return</span> get_current_exe_path();</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">return</span> winapi::get_exe_path(m_handle);</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> }</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  </div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> HMODULE Process::get_exe_module() {</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keyword">const</span> <span class="keyword">auto</span> module = ::GetModuleHandleW(NULL);</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (module == NULL) {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"GetModuleHandleW"</span>);</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">return</span> module;</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> }</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  </div>
<div class="line"><a name="l00358"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#ac700bc836a720384bed52a032628aaeb"> 358</a></span> std::string <a class="code" href="classwinapi_1_1Process.html#ac700bc836a720384bed52a032628aaeb">Process::get_resource_string</a>(uint32_t <span class="keywordtype">id</span>) {</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordtype">wchar_t</span>* s = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  </div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keyword">const</span> <span class="keyword">auto</span> nch = ::LoadStringW(get_exe_module(), <span class="keywordtype">id</span>, <span class="keyword">reinterpret_cast<</span><span class="keywordtype">wchar_t</span>*<span class="keyword">></span>(&s), 0);</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  </div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">if</span> (nch <= 0) {</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"LoadStringW"</span>);</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  }</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  </div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">return</span> narrow(s, nch * <span class="keyword">sizeof</span>(<span class="keywordtype">wchar_t</span>));</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> }</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  </div>
<div class="line"><a name="l00370"></a><span class="lineno"><a class="line" href="classwinapi_1_1Process.html#a4ddbc4be71879ea7f91b05ad7f44435c"> 370</a></span> <a class="code" href="structwinapi_1_1Resource.html">Resource</a> <a class="code" href="classwinapi_1_1Process.html#a4ddbc4be71879ea7f91b05ad7f44435c">Process::get_resource</a>(uint32_t <span class="keywordtype">id</span>) {</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keyword">const</span> <span class="keyword">auto</span> module = get_exe_module();</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  </div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keyword">const</span> <span class="keyword">auto</span> src = ::FindResourceA(module, MAKEINTRESOURCEA(<span class="keywordtype">id</span>), RT_RCDATA);</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  </div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">if</span> (src == NULL) {</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"FindResourceA"</span>);</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  </div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keyword">const</span> <span class="keyword">auto</span> resource = ::LoadResource(module, src);</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">if</span> (resource == NULL) {</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">throw</span> error::windows(GetLastError(), <span class="stringliteral">"LoadResource"</span>);</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  }</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  </div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keyword">const</span> <span class="keyword">auto</span> data = ::LockResource(resource);</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  </div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">if</span> (data == NULL) {</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  std::ostringstream oss;</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  oss << <span class="stringliteral">"Couldn't get data pointer for resource with ID "</span> << id;</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">throw</span> std::runtime_error{oss.str()};</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  }</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  </div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">const</span> <span class="keyword">auto</span> nb = ::SizeofResource(module, src);</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  </div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">return</span> {data, nb};</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> }</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  </div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> Process::Process(<a class="code" href="classwinapi_1_1Handle.html">Handle</a>&& handle) : <a class="code" href="classwinapi_1_1Process.html">Process</a>{::GetProcessId(handle.get()), std::move(handle)} {}</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  </div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> Process::Process(ID <span class="keywordtype">id</span>, Handle&& handle) : m_id{id}, m_handle{std::move(handle)} {}</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  </div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> } <span class="comment">// namespace winapi</span></div>
<div class="ttc" id="aclasswinapi_1_1CommandLine_html"><div class="ttname"><a href="classwinapi_1_1CommandLine.html">winapi::CommandLine</a></div><div class="ttdoc">Command line for the current process or for launching new processes.</div><div class="ttdef"><b>Definition:</b> <a href="cmd__line_8hpp_source.html#l00021">cmd_line.hpp:21</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Handle_html"><div class="ttname"><a href="classwinapi_1_1Handle.html">winapi::Handle</a></div><div class="ttdoc">HANDLE wrapper.</div><div class="ttdef"><b>Definition:</b> <a href="handle_8hpp_source.html#l00025">handle.hpp:25</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html"><div class="ttname"><a href="classwinapi_1_1Process.html">winapi::Process</a></div><div class="ttdoc">Create a new process or open an existing process.</div><div class="ttdef"><b>Definition:</b> <a href="process_8hpp_source.html#l00054">process.hpp:54</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a155aefb272a151126fe2a65d583be880"><div class="ttname"><a href="classwinapi_1_1Process.html#a155aefb272a151126fe2a65d583be880">winapi::Process::terminate</a></div><div class="ttdeci">void terminate(int ec=0) const</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00315">process.cpp:315</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a1aedc4814dd9c154b6e03e572d873755"><div class="ttname"><a href="classwinapi_1_1Process.html#a1aedc4814dd9c154b6e03e572d873755">winapi::Process::shut_down</a></div><div class="ttdeci">void shut_down(int ec=0) const</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00321">process.cpp:321</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a273dcbc8cd69539d0f9fd4d1e09e67a7"><div class="ttname"><a href="classwinapi_1_1Process.html#a273dcbc8cd69539d0f9fd4d1e09e67a7">winapi::Process::wait</a></div><div class="ttdeci">void wait() const</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00301">process.cpp:301</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a359c11337c7e50370cd5375efa841131"><div class="ttname"><a href="classwinapi_1_1Process.html#a359c11337c7e50370cd5375efa841131">winapi::Process::get_exit_code</a></div><div class="ttdeci">int get_exit_code() const</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00326">process.cpp:326</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a48964bbb7968bd7b6796e8a3306d58d9"><div class="ttname"><a href="classwinapi_1_1Process.html#a48964bbb7968bd7b6796e8a3306d58d9">winapi::Process::open</a></div><div class="ttdeci">static Process open(ID id, DWORD permissions=default_permissions())</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00269">process.cpp:269</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a4ddbc4be71879ea7f91b05ad7f44435c"><div class="ttname"><a href="classwinapi_1_1Process.html#a4ddbc4be71879ea7f91b05ad7f44435c">winapi::Process::get_resource</a></div><div class="ttdeci">static Resource get_resource(uint32_t id)</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00370">process.cpp:370</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a4edc58e78ee81e5531af34fc4f806e24"><div class="ttname"><a href="classwinapi_1_1Process.html#a4edc58e78ee81e5531af34fc4f806e24">winapi::Process::current</a></div><div class="ttdeci">static Process current()</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00265">process.cpp:265</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a4fc3ed404c1cf67dabb7867d0c9f638c"><div class="ttname"><a href="classwinapi_1_1Process.html#a4fc3ed404c1cf67dabb7867d0c9f638c">winapi::Process::read_permissions</a></div><div class="ttdeci">static DWORD read_permissions()</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00281">process.cpp:281</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a4fffc3755642f3db56902106f1b96040"><div class="ttname"><a href="classwinapi_1_1Process.html#a4fffc3755642f3db56902106f1b96040">winapi::Process::default_permissions</a></div><div class="ttdeci">static DWORD default_permissions()</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00277">process.cpp:277</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a5b02393edb57bd902e321037133c40eb"><div class="ttname"><a href="classwinapi_1_1Process.html#a5b02393edb57bd902e321037133c40eb">winapi::Process::is_running</a></div><div class="ttdeci">bool is_running() const</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00285">process.cpp:285</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a6ef0ce275ef09ed6ef1e115afeee7e6a"><div class="ttname"><a href="classwinapi_1_1Process.html#a6ef0ce275ef09ed6ef1e115afeee7e6a">winapi::Process::create</a></div><div class="ttdeci">static Process create(ProcessParameters)</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00241">process.cpp:241</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_a86cea0dd87e63ef93f6575d601ab31f5"><div class="ttname"><a href="classwinapi_1_1Process.html#a86cea0dd87e63ef93f6575d601ab31f5">winapi::Process::get_exe_path</a></div><div class="ttdeci">std::string get_exe_path() const</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00342">process.cpp:342</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_aa9f7cbc9b0e5530f0746606aacc5584e"><div class="ttname"><a href="classwinapi_1_1Process.html#aa9f7cbc9b0e5530f0746606aacc5584e">winapi::Process::shell</a></div><div class="ttdeci">static Process shell(const ShellParameters &)</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00256">process.cpp:256</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_ac700bc836a720384bed52a032628aaeb"><div class="ttname"><a href="classwinapi_1_1Process.html#ac700bc836a720384bed52a032628aaeb">winapi::Process::get_resource_string</a></div><div class="ttdeci">static std::string get_resource_string(uint32_t id)</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00358">process.cpp:358</a></div></div>
<div class="ttc" id="aclasswinapi_1_1Process_html_af9d748078299957519ee67fd7f1e49b3"><div class="ttname"><a href="classwinapi_1_1Process.html#af9d748078299957519ee67fd7f1e49b3">winapi::Process::open_r</a></div><div class="ttdeci">static Process open_r(ID)</div><div class="ttdef"><b>Definition:</b> <a href="process_8cpp_source.html#l00273">process.cpp:273</a></div></div>
<div class="ttc" id="aerror_8hpp_html"><div class="ttname"><a href="error_8hpp.html">error.hpp</a></div><div class="ttdoc">Make std::system_error work with GetLastError().</div></div>
<div class="ttc" id="astructwinapi_1_1ProcessParameters_html"><div class="ttname"><a href="structwinapi_1_1ProcessParameters.html">winapi::ProcessParameters</a></div><div class="ttdoc">Process parameters for Process::create().</div><div class="ttdef"><b>Definition:</b> <a href="process_8hpp_source.html#l00024">process.hpp:24</a></div></div>
<div class="ttc" id="astructwinapi_1_1Resource_html"><div class="ttname"><a href="structwinapi_1_1Resource.html">winapi::Resource</a></div><div class="ttdoc">Resources embedded in a PE (Portable Executable).</div><div class="ttdef"><b>Definition:</b> <a href="resource_8hpp_source.html#l00015">resource.hpp:15</a></div></div>
<div class="ttc" id="astructwinapi_1_1ShellParameters_html"><div class="ttname"><a href="structwinapi_1_1ShellParameters.html">winapi::ShellParameters</a></div><div class="ttdoc">Process parameters for Process::shell().</div><div class="ttdef"><b>Definition:</b> <a href="process_8hpp_source.html#l00039">process.hpp:39</a></div></div>
<div class="ttc" id="astructwinapi_1_1process_1_1IO_html"><div class="ttname"><a href="structwinapi_1_1process_1_1IO.html">winapi::process::IO</a></div><div class="ttdoc">Child process IO settings.</div><div class="ttdef"><b>Definition:</b> <a href="process__io_8hpp_source.html#l00061">process_io.hpp:61</a></div></div>
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