Operating Systems Process Termination Conditions which terminate processes Normal exit(voluntary) 2. Error exit( voluntary)(错误退出) 3. Fatal error( involuntary)(严重错误) 4. Killed by another process(involuntary) Gao Haichang, Software School, Xidian UniversityOperating Systems Gao Haichang , Software School, Xidian University 9 Process Termination Conditions which terminate processes: 1. Normal exit (voluntary) 2. Error exit (voluntary) （错误退出） 3. Fatal error (involuntary) （严重错误） 4. Killed by another process (involuntary)