Unix for Beginners
Unix Shell Programming
Advanced Unix
Unix Useful References
Unix Useful Resources
Selected Reading
Copyright © 2014 by tutorialspoint
|
setup() - Unix, Linux System Call
Advertisements
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
| Tag | Description |
|---|
|
EPERM |
Always, for a user process.
|
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.
Since Linux 2.1.121, no such function exists anymore.
The calling sequence varied: it has had a single parameter
void * BIOS and at other times a single parameter
int magic.
Advertisements
|
|
|