pr_set_mm_auxv(2const) - BetterMan

pr_set_mm_auxv(2const)

set a new auxiliary vector

distropkg manpages-dev@6.9.1-1dataset 2026-04-01T06:19:02Z+debian+ec4110e+mandoc:1.14.6-4

Synopsis

#include <sys/prctl.h>
#include <linux/prctl.h>
  /* Definition of 
PR_*
 constants */
int prctl(PR_SET_MM, PR_SET_MM_AUXV,
          unsigned long 
addr
, unsigned long 
size
, 0L);

—

Options · 1

EINVAL

addr is greater than TASK_SIZE (the limit on the size of the user address space for this architecture).

NAME

PR_SET_MM_AUXV - set a new auxiliary vector

LIBRARY

Standard C library (libc, -lc)

SYNOPSIS

bash

#include <sys/prctl.h>

bash

#include <linux/prctl.h>\n  /* Definition of \nPR_*\n constants */
\nint prctl(PR_SET_MM, PR_SET_MM_AUXV,\n
\n          unsigned long \naddr\n, unsigned long \nsize\n, 0L);

DESCRIPTION

Set a new auxiliary vector.

addr should provide the address of the vector. size is the size of the vector.

RETURN VALUE

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

ERRORS

EINVAL: addr is greater than TASK_SIZE (the limit on the size of the user address space for this architecture).

STANDARDS

Linux.

HISTORY

Linux 3.5.