A DB2 thread cancellation method permits operator intervention to terminate a DB2 thread. After the thread to be canceled has been located, a series of one or more SRBs is scheduled to cancel the thread. The basic approach is an iterative one, involving (1) making the thread nondispatchable, i.e., freezing...http://www.google.de/patents/US5432933?utm_source=gb-gplus-sharePatent US5432933 - Method of canceling a DB2 thread