Man page - setup(2)

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Manual

setup

NAME
LIBRARY
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
STANDARDS
VERSIONS

NAME

setup - setup devices and filesystems, mount root filesystem

LIBRARY

Standard C library ( libc , -lc )

SYNOPSIS

#include <unistd.h>

[[deprecated]] int setup(void);

DESCRIPTION

setup () is called once from within linux/init/main.c . It calls initialization functions for devices and filesystems configured into the kernel and then mounts the root filesystem.

No user process may call setup (). Any user process, even a process with superuser permission, will receive EPERM .

RETURN VALUE

setup () always returns -1 for a user process.

ERRORS

EPERM

Always, for a user process.

STANDARDS

Linux.

VERSIONS

Removed in Linux 2.1.121.

The calling sequence varied: at some times setup () has had a single argument void *BIOS and at other times a single argument int magic .