---
title: aclrtSnapShotStage
description: "```"
url: https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/latest/API/runtimeapi/aclcppdevg_03_2132.html
sourcePath: /source/zh/CANNCommunityEdition/920beta1/API/runtimeapi/aclcppdevg_03_2132.html
indexId: da70c5aa17016ead02b9b2b1b8d4c9b7b0550882c1d35f20f34e4749a064cd7479
---
# 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;
```