Add name parameter for C++ mutex wrapper

rtos/Mutex.cpp

@@ -27,9 +27,21 @@
 
 namespace rtos {
 
-Mutex::Mutex() {
+Mutex::Mutex()
+{
+    constructor();
+}
+
+Mutex::Mutex(const char *name)
+{
+    constructor(name);
+}
+
+void Mutex::constructor(const char *name)
+{
     memset(&_obj_mem, 0, sizeof(_obj_mem));
     memset(&_attr, 0, sizeof(_attr));
+    _attr.name = name ? name : "aplication_unnamed_mutex";
     _attr.cb_mem = &_obj_mem;
     _attr.cb_size = sizeof(_obj_mem);
     _attr.attr_bits = osMutexRecursive;

rtos/Mutex.h

@@ -43,6 +43,12 @@ public:
     /** Create and Initialize a Mutex object */
     Mutex();
 
+    /** Create and Initialize a Mutex object
+
+     @param name name to be used for this mutex. It has to stay allocated for the lifetime of the thread.
+    */
+    Mutex(const char *name);
+
     /** Wait until a Mutex becomes available.
       @param   millisec  timeout value or 0 in case of no time-out. (default: osWaitForever)
       @return  status code that indicates the execution status of the function.
@@ -62,6 +68,8 @@ public:
     ~Mutex();
 
 private:
+    void constructor(const char *name = NULL);
+
     osMutexId_t               _id;
     osMutexAttr_t             _attr;
     mbed_rtos_storage_mutex_t _obj_mem;