Description

   This routine changes the object name attribute in the thread
   attributes object specified by the attr argument to the value
   specified by the name argument. A new thread created using the
   thread attributes object is initialized with the object name that
   was set in that attributes object.

   The object name is a C language string and provides an identifier
   that is meaningful to a person debugging a multithreaded
   application. The maximum number of characters in the object name
   is 31.

   This routine contrasts with pthread_setname_np(), which changes
   the object name in the thread object for an existing thread.