LLAPI\_PROJECT\_CLOSE(3) Lustre Library Functions LLAPI\_PROJECT\_CLOSE(3)

# [NAME](#NAME)

llapi\_project\_close - close project mapping file

# [SYNOPSIS](#SYNOPSIS)

```
#include <lustre/lustreapi.h>

int llapi_project_close(struct ll_project_handle *hdl);
```

# [DESCRIPTION](#DESCRIPTION)

The **llapi\_project\_close()** function closes the file specified by **hdl-&gt;lph\_file**, and releases the state in **hdl**.

# [RETURN VALUES](#RETURN_VALUES)

**0**

on success

[-ve](#ve)

error code on failure and sets errno appropriately.

# [ERRORS](#ERRORS)

[**-EINVAL**](#EINVAL)

if either *hdl* is NULL, or *hdl-&gt;lph\_magic* is invalid.

[**-errno**](#errno)

if *hdl-&gt;lph\_file* fails to close.

# [AVAILABILITY](#AVAILABILITY)

**llapi\_project\_close()** is part of the [**lustre**(7)](/man/enterprise-packages/lustre/lustre.7) user application interface library since release 2.17.0

# [SEE ALSO](#SEE_ALSO)

[**lfs\_project**(1)](/man/enterprise-packages/lustre/lfs_project.1), [**llapi\_project\_fgetnam**(3)](/man/enterprise-packages/lustre/llapi_project_fgetnam.3), [**llapi\_project\_fgetprjid**(3)](/man/enterprise-packages/lustre/llapi_project_fgetprjid.3), [**llapi\_project\_get**(3)](/man/enterprise-packages/lustre/llapi_project_get.3), [**llapi\_project\_getnam**(3)](/man/enterprise-packages/lustre/llapi_project_getnam.3), [**llapi\_project\_getprjid**(3)](/man/enterprise-packages/lustre/llapi_project_getprjid.3), [**llapi\_project\_open**(3)](/man/enterprise-packages/lustre/llapi_project_open.3), [**llapi\_project\_put**(3)](/man/enterprise-packages/lustre/llapi_project_put.3), [**projid**(5)](/man/enterprise-packages/lustre/projid.5), [**lustreapi**(7)](/man/enterprise-packages/lustre/lustreapi.7)

2025-07-01 Lustre User API

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Document: llapi_project_close(3) from lustre 2.17.59-r2 (Chainguard OS)
Source: https://github.com/lustre/lustre-release