A method and system for synchronizing plural processes executing on a digital data processing system includes the steps of registering each of the processes for notification of at least selected events occurring in the other processes. Those events can include, for example, the addition, deletion or...http://www.google.com.tw/patents/US20030051068?utm_source=gb-gplus-share專利 US20030051068 - Methods and systems for synchronizing processes executing on a digital data processing system