aclrtNotifySetImportPid

Applicability

Product

Supported

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

Description

Sets the trustlist of processes that can share a Notify object.

This API must be used with other APIs to synchronize tasks between processes on multiple devices. For details, see aclrtNotifyGetExportKey.

Prototype

aclError aclrtNotifySetImportPid(aclrtNotify notify, int32_t *pid, size_t num)

Parameters

Parameter

Input/Output

Description

notify

Input

Notify. It must be the same as that in the aclrtNotifyGetExportKey API.

pid

Input

Array for storing trustlisted process IDs.

You can call aclrtDeviceGetBareTgid to obtain the process ID. In the Docker scenario, the process ID on the physical machine is obtained. In the non-Docker scenario, the process ID is obtained.

num

Input

Number of processes in the trustlist. The value must be the same as the size of the pid parameter array.

Returns

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

Restrictions

This operation is not supported in the Ascend virtual instance scenario.