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setup
Section: System Calls (2) Updated: 202-0-08 Index
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NAME
setup - setup devices and filesystems, mount root filesystem
LIBRARY
Standard C library
( libc,~ -lc)
SYNOPSIS
#include <unistd.h>
[[deprecated]] 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.
STANDARDS
Linux.
VERSIONS
Removed in Linux 2.1.121.
The calling sequence varied: at some times
setup()
has had a single argument
void *BIOS
and at other times a single argument
int magic.
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- STANDARDS
-
- VERSIONS
-
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