Merge pull request #71 from microsoft/crloewen/promptOnError

Added prompt for input when wsl.exe fails to launch Linux process

Author: craigloewen-msft

DistroLauncher/DistroLauncher.cpp

@@ -119,6 +119,12 @@ int wmain(int argc, wchar_t const *argv[])
         if (arguments.empty()) {
             hr = g_wslApi.WslLaunchInteractive(L"", false, &exitCode);
 
+            // Check exitCode to see if wsl.exe returned that it could not start the Linux process
+            // then prompt users for input so they can view the error message.
+            if (SUCCEEDED(hr) && exitCode == UINT_MAX) {
+                Helpers::PromptForInput();
+            }
+
         } else if ((arguments[0] == ARG_RUN) ||
                    (arguments[0] == ARG_RUN_C)) {
 
@@ -163,4 +169,4 @@ int wmain(int argc, wchar_t const *argv[])
     }
 
     return SUCCEEDED(hr) ? exitCode : 1;
-}
+}