---
name: "PR_GET_MDWE"
section: "2const"
platform: "linux"
package: "man-pages"
version: "6.19-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/PR_GET_MDWE"
---

# PR\_GET\_MDWE(2const)

get the Memory-Deny-Write-Execute protection mask for the calling process

## NAME

PR\_GET\_MDWE - get the Memory-Deny-Write-Execute protection mask for the calling process

## LIBRARY

Standard C library (*libc*, *-lc*)

## SYNOPSIS

```
#include <linux/prctl.h>  /* Definition of PR_* constants */
#include <sys/prctl.h>
```

**int prctl(PR\_GET\_MDWE, 0L, 0L, 0L, 0L);**

## DESCRIPTION

Return the Memory-Deny-Write-Execute protection mask of the calling process. See [**PR\_SET\_MDWE**(2const)](/PR_SET_MDWE/2const.md) for information on the protection mask bits.

## RETURN VALUE

On success, a nonnegative value is returned. On error, -1 is returned, and *errno* is set to indicate the error.

## STANDARDS

Linux.

## HISTORY

Linux 6.3.

## SEE ALSO

[**prctl**(2)](/prctl/2.md), [**PR\_SET\_MDWE**(2const)](/PR_SET_MDWE/2const.md)