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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Jun 2025 12:55:10.9469 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 19618585-1808-40ca-a1d5-08dda3670a8d X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: DU2PEPF00028D11.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBAPR08MB5864 [...] > > But suppose the child_task(2) try to fork (child_task3) and > > inherit the event (create child_event(3, parent_event:0), > > and at the fork, forking can observe the parent event state as "EXIT". > > In thie situation why child_event(3, parent_event:0) should be created for > > child_task(3)? > > Yes. You set out to monitor the whole hierarchy, so any child created > after the first task should be monitored, until such time that you close > the event. > > Notably, a fair number of daemons go about their business by explicitly > closing their original task in order to detach from the tty. > > Also, per the context switch optimization the original event doesn't > need to stay with the original parent, it can end up on a random child. Ahh I overlooked daemon case. Thanks for clarification..! -- Sincerely, Yeoreum Yun