diff --git a/libs/main/thread/pithread.cpp b/libs/main/thread/pithread.cpp
index 5b8f372b..7c984c56 100644
--- a/libs/main/thread/pithread.cpp
+++ b/libs/main/thread/pithread.cpp
@@ -594,6 +594,12 @@ PIThread::~PIThread() {
 }
 
 
+void PIThread::stopAndWait(int timeout_ms) {
+	stop();
+	waitForFinish(timeout_ms);
+}
+
+
 #ifdef WINDOWS
 NTAPI void winThreadAPC(ULONG_PTR) {
 	//piCout << "APC";
diff --git a/libs/main/thread/pithread.h b/libs/main/thread/pithread.h
index 61b90e59..914a29f5 100644
--- a/libs/main/thread/pithread.h
+++ b/libs/main/thread/pithread.h
@@ -111,6 +111,10 @@ public:
 	EVENT_HANDLER1(void, stop, bool, wait);
 	EVENT_HANDLER0(void, terminate);
 
+	//! \~english Stop thread and wait for finish.
+	//! \~russian Останавливает потоков и ожидает завершения.
+	void stopAndWait(int timeout_ms = -1);
+
 	void interrupt();
 	
 	//! \~english Set common data passed to external function