UINT32 LOS_EventClear ( PEVENT_CB_S  pstEventCB,
UINT32  uwEvents  
)

Clear the event occurring in a specified task.

Description:
  • This API is used to set the ID of an event that has a specified mask and of which the information is stored in an event control block pointed to by pstEventCB to 0. pstEventCB must point to valid memory.
注意:
  • The value of uwEvents needs to be reversed when it is passed-in.
参数:
参数名称 描述
pstEventCB  [IN/OUT] Pointer to the event control block to be cleared.
uwEvents  [IN] Mask of the event to be cleared.
返回值:
返回值 描述
LOS_ERRNO_EVENT_PTR_NULL  Null pointer.
LOS_OK  The event is successfully cleared.
Dependency:
  • los_event.h: the header file that contains the API declaration.
参见:
LOS_EventPoll | LOS_EventRead | LOS_EventWrite
自从:
Huawei LiteOS V100R001C00