setup() System Call in Linux

---

---

NAME

setup - setup devices and file systems, mount root file system

SYNOPSIS

#include <unistd.h>

_syscall0(int, setup)

int setup(void);

DESCRIPTION

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

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