- numerous thread bugfixes related to menu stability and ftp server socket usage

source/shared_lib/include/platform/common/base_thread.h

@@ -35,6 +35,9 @@ protected:
 
     Mutex mutexThreadObjectAccessor;
 
+    bool threadOwnerValid;
+    Mutex mutexThreadOwnerValid;
+
 	Mutex mutexExecutingTask;
 	bool executingTask;
 
@@ -74,6 +77,11 @@ public:
     void setExecutingTask(bool value);
     bool getExecutingTask();
 
+
+    void setThreadOwnerValid(bool value);
+    bool getThreadOwnerValid();
+    Mutex * getMutexThreadOwnerValid();
+
     Mutex * getMutexThreadObjectAccessor() { return &mutexThreadObjectAccessor; }
 };
 

source/shared_lib/include/platform/sdl/thread.h

@@ -91,6 +91,9 @@ public:
 		this->ownerId = ownerId;
 		Lock();
     }
+    bool isValidMutex() const {
+        return(this->mutex != NULL);
+    }
 
 	void Lock() {
 		if(this->mutex != NULL) {