aclrtIpcOpenEventHandle

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

Obtains the handle information in the current process and returns the event pointer that can be used by this process.

This API must be used with other APIs to synchronize tasks across processes. For details, see aclrtIpcGetEventHandle.

      
           aclError aclrtIpcOpenEventHandle(aclrtIpcEventHandle handle, aclrtEvent *event)

Parameter	Input/Output	Description
handle	Input	Event handle. For details about the type definition, see aclrtIpcEventHandle. First call aclrtIpcGetEventHandle to obtain the handle of this event and then pass the handle as an input.
event	Output	Event pointer. For details about the type definition, see aclrtEvent.

Parameter

Input/Output

Description

handle

Input

Event handle. For details about the type definition, see aclrtIpcEventHandle.

First call aclrtIpcGetEventHandle to obtain the handle of this event and then pass the handle as an input.

event

Output

Event pointer. For details about the type definition, see aclrtEvent.

0 on success; otherwise, failure. For details, see aclError.

For the API call example, see Inter-Process Communication.

Parent topic: Event Management