Async: add sh_ptr<ContinuationChainLink> to Callback<>

This change enables us to finally implement the tracing of
continuations backward from the point of acquisition for deadlock
debugging.

commonLibs/livoxProto1/livoxProto1.cpp

@@ -1,4 +1,5 @@
 #include <stdexcept>
+#include <callback.h>
 #include "livoxProto1.h"
 #include "device.h"
 #include "core.h"
@@ -12,7 +13,7 @@ void livoxProto1_getOrCreateDeviceReq(
 	int handshakeTimeoutMs, int retryDelayMs,
 	const std::string& smoIp, uint8_t smoSubnetNbits,
 	uint16_t dataPort, uint16_t cmdPort, uint16_t imuPort,
-	livoxProto1_getOrCreateDeviceReqCbFn callback
+	smo::Callback<livoxProto1_getOrCreateDeviceReqCbFn> callback
 )
 {
 	// Get the global DeviceManager instance
@@ -35,7 +36,7 @@ void livoxProto1_getOrCreateDeviceReq(
 
 void livoxProto1_destroyDeviceReq(
 	std::shared_ptr<livoxProto1::Device> device,
-	livoxProto1_destroyDeviceReqCbFn callback
+	smo::Callback<livoxProto1_destroyDeviceReqCbFn> callback
 )
 {
 	auto& protoState = livoxProto1::getProtoState();