Description

   This routine changes the object name in the condition variable
   object specified by the cond argument to the value specified
   by the name argument. To set a new condition variable object's
   object name, call this routine immediately after initializing the
   condition variable 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.