Libspinscale: Initial top-level SMO port to coroutine framework

We haven't ported everything. Just the top-level methods. We'll
dig in to the leaf stuff later. Surprisingly, this all went without
any real difficulties.

Runs like a charm on first try.

smocore/marionette/main.cpp

@@ -33,9 +33,8 @@ void marionetteInitializeReqCb(bool success)
 	std::cerr << __func__ << ": Failed to initialize Marionette. Shutting down."
 		<< '\n';
 
-	mrntt.finalizeReq({nullptr, std::bind(
-		&smo::mrntt::marionetteFinalizeReqCb,
-		std::placeholders::_1)});
+	mrntt.holdFinalizeCReq(
+		[]() { marionetteFinalizeReqCb(true); });
 }
 
 void marionetteFinalizeReqCb(bool success)
@@ -83,9 +82,8 @@ void MarionetteComponent::postJoltHook()
 				default:
 					break;
 			}
-			mrntt.finalizeReq({nullptr, std::bind(
-				&marionetteFinalizeReqCb,
-				std::placeholders::_1)});
+			mrntt.holdFinalizeCReq(
+				[]() { marionetteFinalizeReqCb(true); });
 		});
 }
 
@@ -110,7 +108,7 @@ void MarionetteComponent::tryBlock1Hook()
 
 void MarionetteComponent::preLoopHook()
 {
-	/**		EXPLANATION:
+	/**	EXPLANATION:
 	 * Initialize Salmanoff's Manager classes first.
 	 * Manager classes' initialization is synchronous in nature, so we
 	 * don't need the minds to be running to initialize them.
@@ -131,9 +129,12 @@ void MarionetteComponent::preLoopHook()
 	smo::initializeSalmanoff();
 	callShutdownSalmanoff = true;
 
-	initializeReq(sscl::Callback<mrnttLifetimeMgmtOpCbFn>{
-		nullptr,
-		std::bind(&marionetteInitializeReqCb, std::placeholders::_1)});
+	holdInitializeCReq(
+		[]
+		{
+			marionetteInitializeReqCb(
+				!mrntt.initializeLifetimeExceptionPtr);
+		});
 
 	std::cout << "PuppeteerThread::main: Entering event loop" << "\n";
 }