Product	Supported (√/x)
Ascend 950PR/Ascend 950DT	√
Atlas A3 training products/Atlas A3 inference products	√
Atlas A2 training products/Atlas A2 inference products	√
Atlas training products	√
Atlas inference products	√
Atlas 200I/500 A2 inference products	√

Queries whether the tasks awaiting in an event are completed after acl.stream_wait_event call.

C Prototype

aclError aclrtQueryEventWaitStatus(aclrtEvent event, aclrtEventWaitStatus *status)

Python Function

status, ret = acl.rt.query_event_wait_status(event)

Parameter	Description
event	Int, pointer address of the event object to be queried.

Return Value	Description
status	Int, pointer address of the event status. For details, see aclrtEventWaitStatus. ACL_EVENT_RECORDED_STATUS_NOT_READY = 0: The event is not recorded in the stream, or the event recorded in the stream is not executed or fails to be executed. ACL_EVENT_RECORDED_STATUS_COMPLETE = 1: The event recorded in the stream is successfully executed.
ret	Int, error code. 0 on success; else, failure.

Return Value

Description

status

Int, pointer address of the event status. For details, see aclrtEventWaitStatus.

ACL_EVENT_RECORDED_STATUS_NOT_READY = 0: The event is not recorded in the stream, or the event recorded in the stream is not executed or fails to be executed.
ACL_EVENT_RECORDED_STATUS_COMPLETE = 1: The event recorded in the stream is successfully executed.

ret

Int, error code. 0 on success; else, failure.

Events created by calling acl.rt.create_event_ex_with_flag cannot use this API.

Function: query_event_wait_status