Manpage of SETUP

SETUP

Section: Linux Programmer's Manual (2)
Updated: 2008-12-03
Index
 

NAME

setup - setup devices and filesystems, mount root filesystem  

SYNOPSIS

#include <unistd.h>

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.
 

VERSIONS

Since Linux 2.1.121, no such function exists anymore.  

CONFORMING TO

This function is Linux-specific, and should not be used in programs intended to be portable, or indeed in any programs at all.  

NOTES

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


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
VERSIONS
CONFORMING TO
NOTES

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