The health of a process is monitored in a computer system by a process monitor. The monitored process (a configuration management system daemon (CMSD)) is not a child of the process monitor. The process monitor uniquely determines the identity of a monitored process and verifies the correct operation...http://www.google.com.tw/patents/US6640203?utm_source=gb-gplus-share專利 US6640203 - Process monitoring in a computer system