2005-11-08 Andrew Cagney <cagney@redhat.com> * TaskState.java: In destroyed state, abandon attempt to add an observation. * ProcState.java: In unattached state, recover from a missing task. * Observation.java: Add .fail. * TestTaskAttachedObserver.java: Add .FailedObserver, .testAttachDieingOtherTask, .testAttachDieingMainTask, and .testAttachDeadMainTask. * TestTaskAttachedObserver.java: Add .assertTaskGone, use. For testAttachDetachManyTasks, only create 20 tasks. Rename testDetachExitingTask to testDetachExitingMainTask. * TestLib.java: Add Child.findTaskUsingRefresh, and .getPid. Add .isChildOf, and isDescendantOf. Delete .sigKill. * TestTaskAttachedObserver.java: Update. * TestRefresh.java: Update. * TaskObservation.java: New. * TaskState.java: Add .processPerformAddObservation. * Task.java: Add .performAddObservation. * ProcState.java: Use Observation.requestAdd * Observation.java: Add abstract method .requestAdd. * Task.java: Replace .performZombied with .performDisappeared. Update instances of Wait.Observer interface to match changes to disappeared method. * TestLib.java: Ditto. * LinuxTask.java: Ditto. * LinuxHost.java: Ditto..