Add settings::restart which restarts Rack on exit when true.

adapters/standalone.cpp

@@ -312,6 +312,11 @@ int main(int argc, char* argv[]) {
 	INFO("Destroying logger");
 	logger::destroy();
 
+	// Restart executable if requested
+	if (settings::restart) {
+		settings::restart = false;
+		return main(argc, argv);
+	}
 	return 0;
 }
 

include/settings.hpp

@@ -24,6 +24,8 @@ extern std::string settingsPath;
 extern bool devMode;
 extern bool headless;
 extern bool isPlugin;
+/** Requests to restart the application on exit. */
+extern bool restart;
 
 // Persistent state, serialized to settings.json.
 

src/settings.cpp

@@ -19,6 +19,7 @@ std::string settingsPath;
 bool devMode = false;
 bool headless = false;
 bool isPlugin = false;
+bool restart = false;
 
 std::string language = "en";
 bool safeMode = false;