code: def __set_bp(self, aProcess):
          
          lpAddress    = self.get_address()
          dwSize       = self.get_size()
          flNewProtect = aProcess.mquery(lpAddress).Protect
          flNewProtect = flNewProtect | win32.PAGE_GUARD
          aProcess.mprotect(lpAddress, dwSize, flNewProtect)
docs: Sets the target pages as guard pages.
  
          @type  aProcess: L{Process}
          @param aProcess: Process object.