| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) | ||||
| 3 | * Licensed under the GPL | ||||
| 4 | */ | ||||
| 5 | |||||
| Jeff Dike | 2264c47 | 2006-01-06 00:18:59 -0800 | [diff] [blame] | 6 | #include "asm/errno.h" |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | #include "init.h" |
| 8 | #include "os.h" | ||||
| Jeff Dike | 2264c47 | 2006-01-06 00:18:59 -0800 | [diff] [blame] | 9 | #include "kern.h" |
| Jeff Dike | 7eebe8a | 2006-01-06 00:19:01 -0800 | [diff] [blame] | 10 | #include "linux/kernel.h" |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | |
| Jeff Dike | 7eebe8a | 2006-01-06 00:19:01 -0800 | [diff] [blame] | 12 | /* Changed by set_umid_arg */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | static int umid_inited = 0; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | |
| 15 | static int __init set_umid_arg(char *name, int *add) | ||||
| 16 | { | ||||
| Jeff Dike | 2264c47 | 2006-01-06 00:18:59 -0800 | [diff] [blame] | 17 | int err; |
| 18 | |||||
| Jeff Dike | de5fe76 | 2007-02-10 01:44:25 -0800 | [diff] [blame] | 19 | if(umid_inited){ |
| 20 | printf("umid already set\n"); | ||||
| Jeff Dike | 2264c47 | 2006-01-06 00:18:59 -0800 | [diff] [blame] | 21 | return 0; |
| Jeff Dike | de5fe76 | 2007-02-10 01:44:25 -0800 | [diff] [blame] | 22 | } |
| Jeff Dike | 2264c47 | 2006-01-06 00:18:59 -0800 | [diff] [blame] | 23 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | *add = 0; |
| Jeff Dike | 7eebe8a | 2006-01-06 00:19:01 -0800 | [diff] [blame] | 25 | err = set_umid(name); |
| 26 | if(err == -EEXIST) | ||||
| Jeff Dike | 2264c47 | 2006-01-06 00:18:59 -0800 | [diff] [blame] | 27 | printf("umid '%s' already in use\n", name); |
| Jeff Dike | 2264c47 | 2006-01-06 00:18:59 -0800 | [diff] [blame] | 28 | else if(!err) |
| 29 | umid_inited = 1; | ||||
| 30 | |||||
| 31 | return 0; | ||||
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | } |
| 33 | |||||
| 34 | __uml_setup("umid=", set_umid_arg, | ||||
| 35 | "umid=<name>\n" | ||||
| 36 | " This is used to assign a unique identity to this UML machine and\n" | ||||
| 37 | " is used for naming the pid file and management console socket.\n\n" | ||||
| 38 | ); | ||||
| 39 | |||||