Operating Systems Process Termination(2) g Process executes last statement and asks the operating system to decide it(exit). H Process'resources are deallocated(再分配) by operating system e Parent may terminate execution of children processes (abort). a Child has exceeded allocated resources.超量分配资源 Task assigned to child is no longer required H Parent is exiting. Operating system does not allow child to continue if its parent terminates Cascading termination.级联终止 Gao Haichang, Software School, Xidian University 10Operating Systems Gao Haichang , Software School, Xidian University 10 Process Termination (2)  Process executes last statement and asks the operating system to decide it (exit).  Process’ resources are deallocated (再分配) by operating system.  Parent may terminate execution of children processes (abort).  Child has exceeded allocated resources. 超量分配资源  Task assigned to child is no longer required.  Parent is exiting. ➢ Operating system does not allow child to continue if its parent terminates. ➢ Cascading termination. 级联终止