---
title: aclrtSnapShotStage
description: "```"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/runtimeapi/aclcppdevg_03_2132.html
sourcePath: /source/zh/canncommercial/900/API/runtimeapi/aclcppdevg_03_2132.html
indexId: 62785f74efefa359452ce3becc0b061b62ed197ff83e26eb4c3e95f9c692eb6668
---
# aclrtSnapShotStage

```
typedef enum {
    ACL_RT_SNAPSHOT_LOCK_PRE = 0,    // 锁定前
    ACL_RT_SNAPSHOT_BACKUP_PRE,      // 备份前
    ACL_RT_SNAPSHOT_BACKUP_POST,     // 备份后
    ACL_RT_SNAPSHOT_RESTORE_PRE,     // 恢复前
    ACL_RT_SNAPSHOT_RESTORE_POST,    // 恢复后
    ACL_RT_SNAPSHOT_UNLOCK_POST,     // 解锁后
} aclrtSnapShotStage;
```