Unix for Beginners
Unix Shell Programming
Unix Useful References
Unix Useful Resources
Copyright © 2014 by tutorialspoint
setup() - Unix, Linux System Call
setup - setup devices and file systems, mount root file system
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,
setup() always returns -1 for a user process.
Always, for a user process.
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