PR_SET_ENDIAN(2const)

PR_SET_ENDIAN2const

Set endianness of the calling process

Usage

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

int prctl(PR_SET_ENDIAN, long endianness);

Library

Standard C library (libc, -lc)

Overview

Set the endianness of the calling process to the value given in endianness, which should be one of the following: PR_ENDIAN_BIG, PR_ENDIAN_LITTLE, or PR_ENDIAN_PPC_LITTLE (PowerPC pseudo little endian).

Return value

On success, 0 is returned. On error, -1 is returned, and errno is set to indicate the error.

Errors

EINVAL

endianness is not a valid value.

Releases

2 releases since Debian 13 (Trixie); the text changed 1 time.

  1. 13
  2. Arch

Standards

Linux. PowerPC only.

History

Linux 2.6.18 (PowerPC).

From man-pages 6.19-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.