diff --git a/testpp/main.cpp b/testpp/main.cpp
index be99e63..f0b987a 100644
--- a/testpp/main.cpp
+++ b/testpp/main.cpp
@@ -77,7 +77,7 @@ int main (void)
 		assert (s == std::string("module_b startup end."));
 	}
 	{
-		mod_c_extern-> req_startup ();
+		mod_c_extern-> req_startup_sync ();
 		threadmgr::CSource& r = p_mgr->get_external_if()-> receive_external();
 		assert (r.get_result() == threadmgr::result::success);
 		std::string s = reinterpret_cast<char*>(r.get_message().data());
diff --git a/testpp/module_a/module_a.h b/testpp/module_a/module_a.h
index 59a41c3..32f4011 100644
--- a/testpp/module_a/module_a.h
+++ b/testpp/module_a/module_a.h
@@ -64,6 +64,9 @@ class module_a : public threadmgr::CThreadMgrBase
 		section_id = p_if->get_section_id();
 		THM_LOG_I ("%s section_id %d\n", __PRETTY_FUNCTION__, section_id);
 
+		assert(std::string(p_if->get_sequence_name()) == std::string("startup"));
+		assert(p_if->get_sequence_idx() == 0);
+
 		const char *msg = "module_a startup end.";
 		p_if->reply (threadmgr::result::success, reinterpret_cast<uint8_t*>(const_cast<char*>(msg)), strlen(msg)+1);
 
@@ -85,6 +88,9 @@ class module_a : public threadmgr::CThreadMgrBase
 		section_id = p_if->get_section_id();
 		THM_LOG_I ("%s section_id %d\n", __PRETTY_FUNCTION__, section_id);
 
+		assert(std::string(p_if->get_sequence_name()) == std::string("test_reqrep"));
+		assert(p_if->get_sequence_idx() == 1);
+
 		switch (section_id) {
 		case SECTID_ENTRY:
 			section_id = SECTID_REQ_TEST_REQREPNOTIFY;
@@ -153,6 +159,9 @@ class module_a : public threadmgr::CThreadMgrBase
 		section_id = p_if->get_section_id();
 		THM_LOG_I ("%s section_id %d\n", __PRETTY_FUNCTION__, section_id);
 
+		assert(std::string(p_if->get_sequence_name()) == std::string("test_reqrep_notify"));
+		assert(p_if->get_sequence_idx() == 2);
+
 		switch (section_id) {
 		case SECTID_ENTRY:
 
@@ -405,6 +414,9 @@ class module_a : public threadmgr::CThreadMgrBase
 		section_id = p_if->get_section_id();
 		THM_LOG_I ("%s section_id %d\n", __PRETTY_FUNCTION__, section_id);
 
+		assert(std::string(p_if->get_sequence_name()) == std::string("test_lock"));
+		assert(p_if->get_sequence_idx() == 3);
+
 		switch (section_id) {
 		case SECTID_ENTRY: {
 
@@ -471,6 +483,9 @@ class module_a : public threadmgr::CThreadMgrBase
 		section_id = p_if->get_section_id();
 		THM_LOG_I ("%s section_id %d\n", __PRETTY_FUNCTION__, section_id);
 
+		assert(std::string(p_if->get_sequence_name()) == std::string("test_lock_intr"));
+		assert(p_if->get_sequence_idx() == 4);
+
 		m_lock_check << "intr.";
 
 		p_if->reply (threadmgr::result::success, reinterpret_cast<uint8_t*>(const_cast<char*>(m_lock_check.str().c_str())), m_lock_check.str().length());
@@ -493,6 +508,9 @@ class module_a : public threadmgr::CThreadMgrBase
 		section_id = p_if->get_section_id();
 		THM_LOG_I ("%s section_id %d\n", __PRETTY_FUNCTION__, section_id);
 
+		assert(std::string(p_if->get_sequence_name()) == std::string("test_overwrite"));
+		assert(p_if->get_sequence_idx() == 5);
+
 		switch (section_id) {
 		case SECTID_ENTRY: {
 
@@ -567,6 +585,8 @@ class module_a : public threadmgr::CThreadMgrBase
 		section_id = p_if->get_section_id();
 		THM_LOG_I ("%s section_id %d\n", __PRETTY_FUNCTION__, section_id);
 
+		assert(std::string(p_if->get_sequence_name()) == std::string("test_destroy"));
+		assert(p_if->get_sequence_idx() == 6);
 
 		// dump
 //		kill (getpid(), SIGQUIT);
diff --git a/testpp/module_c/module_c_extern.h b/testpp/module_c/module_c_extern.h
index 2c69b15..d9c8cdf 100644
--- a/testpp/module_c/module_c_extern.h
+++ b/testpp/module_c/module_c_extern.h
@@ -42,9 +42,9 @@ class module_c_extern : public threadmgr::CThreadMgrExternalIf
 	};
 
 
-	bool req_startup (void) {
+	bool req_startup_sync (void) {
 		int sequence = static_cast<int>(sequence::startup);
-		return request_async (m_module_id, sequence);
+		return request_sync (m_module_id, sequence);
 	};
 
 	bool req_test_reg_notify (void) {