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1 | .\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992 |
2 | .\" | |
93015253 | 3 | .\" %%%LICENSE_START(VERBATIM) |
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4 | .\" Permission is granted to make and distribute verbatim copies of this |
5 | .\" manual provided the copyright notice and this permission notice are | |
6 | .\" preserved on all copies. | |
7 | .\" | |
8 | .\" Permission is granted to copy and distribute modified versions of this | |
9 | .\" manual under the conditions for verbatim copying, provided that the | |
10 | .\" entire resulting derived work is distributed under the terms of a | |
11 | .\" permission notice identical to this one. | |
c13182ef | 12 | .\" |
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13 | .\" Since the Linux kernel and libraries are constantly changing, this |
14 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
15 | .\" responsibility for errors or omissions, or for damages resulting from | |
16 | .\" the use of the information contained herein. The author(s) may not | |
17 | .\" have taken the same level of care in the production of this manual, | |
18 | .\" which is licensed free of charge, as they might when working | |
19 | .\" professionally. | |
c13182ef | 20 | .\" |
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21 | .\" Formatted or processed versions of this manual, if unaccompanied by |
22 | .\" the source, must acknowledge the copyright and authors of this work. | |
4b72fb64 | 23 | .\" %%%LICENSE_END |
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24 | .\" |
25 | .\" Modified by Michael Haardt <michael@moria.de> | |
26 | .\" Modified Sun Jul 25 10:14:13 1993 by Rik Faith <faith@cs.unc.edu> | |
27 | .\" Modified 15 April 1995 by Michael Chastain <mec@shell.portal.com> | |
28 | .\" Update calling parameters to Linux 1.2.4 values. | |
29 | .\" Modified 10 June 1995 by Andries Brouwer <aeb@cwi.nl> | |
30 | .\" Modified 3 May 1996 by Martin Schulze <joey@infodrom.north.de> | |
31 | .\" Modified Wed Nov 6 04:05:28 1996 by Eric S. Raymond <esr@thyrsus.com> | |
32 | .\" Modified Sat Jan 29 01:08:23 2000 by aeb | |
33 | .\" | |
710631e8 | 34 | .TH SETUP 2 2008-12-03 "Linux" "Linux Programmer's Manual" |
fea681da | 35 | .SH NAME |
9ee4a2b6 | 36 | setup \- setup devices and filesystems, mount root filesystem |
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37 | .SH SYNOPSIS |
38 | .B #include <unistd.h> | |
68e4db0a | 39 | .PP |
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40 | .B int setup(void); |
41 | .SH DESCRIPTION | |
e511ffb6 | 42 | .BR setup () |
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43 | is called once from within |
44 | .IR linux/init/main.c . | |
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45 | It calls initialization functions for devices and filesystems |
46 | configured into the kernel and then mounts the root filesystem. | |
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47 | .PP |
48 | No user process may call | |
e511ffb6 | 49 | .BR setup (). |
2c8d1c7d | 50 | Any user process, even a process with superuser permission, |
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51 | will receive |
52 | .BR EPERM . | |
47297adb | 53 | .SH RETURN VALUE |
e511ffb6 | 54 | .BR setup () |
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55 | always returns \-1 for a user process. |
56 | .SH ERRORS | |
57 | .TP | |
58 | .B EPERM | |
59 | Always, for a user process. | |
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60 | .SH VERSIONS |
61 | Since Linux 2.1.121, no such function exists anymore. | |
47297adb | 62 | .SH CONFORMING TO |
8382f16d | 63 | This function is Linux-specific, and should not be used in programs |
fea681da | 64 | intended to be portable, or indeed in any programs at all. |
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65 | .SH NOTES |
66 | The calling sequence varied: at some times | |
146c3223 | 67 | .BR setup () |
710631e8 | 68 | has had a single argument |
5049da5b | 69 | .I "void\ *BIOS" |
c4bb193f | 70 | and at other times a single argument |
fea681da | 71 | .IR "int magic" . |