picloud add "-w" option for watchdog

utils/cloud_dispatcher/dispatcherserver.cpp

@@ -45,6 +45,7 @@ void DispatcherServer::picoutStatus() {
 
 
 void DispatcherServer::cleanClients() {
+	wd_cnt++;
 	PIMutexLocker locker(map_mutex);
 	for (auto s: rmrf_servers)
 		s->close();
@@ -194,6 +195,23 @@ void DispatcherServer::setMaxConnections(uint max_count) {
 }
 
 
+void DispatcherServer::startWatchdog() {
+	wd_cnt++;
+	PIThread * thread = new PIThread(
+		[this]() {
+			if (wd_cnt == 0) {
+				piCout << "Deadlock detected, abort";
+				std::abort();
+				return;
+			}
+			wd_cnt = 0;
+		},
+		true,
+		10_s);
+	NO_UNUSED(thread);
+}
+
+
 void DispatcherServer::disconnectClient(DispatcherClient * client) {
 	PIMutexLocker locker(map_mutex);
 	if (!clients.contains(client)) {