clear_eventT_clear_eventClearEventClearEventclear_event (算子名称)

名称

clear_eventT_clear_eventClearEventClearEventclear_event — Clear the event synchronization object.

参数签名

clear_event( : : EventHandle : )

Herror T_clear_event(const Htuple EventHandle)

void ClearEvent(const HTuple& EventHandle)

void HEvent::ClearEvent() const

static void HOperatorSet.ClearEvent(HTuple eventHandle)

void HEvent.ClearEvent()

def clear_event(event_handle: HHandle) -> None

描述

clear_eventclear_eventClearEventClearEventClearEventclear_event destroys the mutex object given by EventHandleEventHandleEventHandleEventHandleeventHandleevent_handle. No threads should be waiting on the event at the time clear_eventclear_eventClearEventClearEventClearEventclear_event is called. After calling clear_eventclear_eventClearEventClearEventClearEventclear_event, the event can no longer be used. The handle EventHandleEventHandleEventHandleEventHandleeventHandleevent_handle becomes invalid.

运行信息

This operator modifies the state of the following input parameter:

During execution of this operator, access to the value of this parameter must be synchronized if it is used across multiple threads.

参数表

EventHandleEventHandleEventHandleEventHandleeventHandleevent_handle (input_control, state is modified)  event HEvent, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)

Event synchronization object.

结果

If the event handle is valid, 该算子 clear_eventclear_eventClearEventClearEventClearEventclear_event returns 2 ( H_MSG_TRUE) . 如有必要,将引发异常。

可能的前置算子

create_eventcreate_eventCreateEventCreateEventCreateEventcreate_event

参考其它

create_eventcreate_eventCreateEventCreateEventCreateEventcreate_event

模块

Foundation