SETUP (2)
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 super-user permission,
will receive
EPERM .
RETURN VALUE
setup
always returns -1 for a user process.
ERRORS
EPERM
Always, for a user process.
CONFORMING TO
This function is Linux specific, and should not be used in programs
intended to be portable.
man2/signal.2
man2/shmop.2
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