[Lldb-commits] [lldb] [lldb][windows] add STDIN and STDOUT forwarding support (PR #175812)

[Charles Zablit via lldb-commits]

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@@ -133,3 +137,52 @@ void PseudoConsole::Close() {
   m_conpty_input = INVALID_HANDLE_VALUE;
   m_conpty_output = INVALID_HANDLE_VALUE;
 }
+
+llvm::Error PseudoConsole::DrainInitSequences() {
+  STARTUPINFOEXW startupinfoex = {};
+  startupinfoex.StartupInfo.cb = sizeof(STARTUPINFOEXW);
+  startupinfoex.StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
+
+  auto attributelist_or_err = ProcThreadAttributeList::Create(startupinfoex);
+  if (!attributelist_or_err)
+    return llvm::errorCodeToError(attributelist_or_err.getError());
+  ProcThreadAttributeList attributelist = std::move(*attributelist_or_err);
+  if (auto error = attributelist.SetupPseudoConsole(m_conpty_handle))
+    return error;
+
+  PROCESS_INFORMATION pi = {};
+  wchar_t cmdline[] = L"cmd.exe /c 'echo foo && exit'";
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charles-zablit wrote:

Fixed, thanks! If we don't find the variable, this is not a fatal error and it's only logged.

https://github.com/llvm/llvm-project/pull/175812