PIPeer important fix!

git-svn-id: svn://db.shs.com.ru/pip@110 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

src/thread/pimutex.h

@@ -49,6 +49,9 @@ public:
 	//! If mutex is already locked function returns immediate an returns "false"
 	bool tryLock();
 	
+	//! Returns if mutex is locked
+	bool isLocked() const;
+	
 private:
 #ifdef WINDOWS
 	void *
@@ -56,6 +59,7 @@ private:
 	pthread_mutex_t
 #endif
 		mutex;
+	bool locked;
 	
 };