| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
| 3 | * Licensed under the GPL |
| 4 | */ |
| 5 | |
| 6 | #include <asm/errno.h> |
| 7 | #include <init.h> |
| 8 | #include <kern.h> |
| 9 | #include <os.h> |
| 10 | |
| 11 | /* Changed by set_umid_arg */ |
| 12 | static int umid_inited = 0; |
| 13 | |
| 14 | static int __init set_umid_arg(char *name, int *add) |
| 15 | { |
| 16 | int err; |
| 17 | |
| 18 | if (umid_inited) { |
| 19 | os_warn("umid already set\n"); |
| 20 | return 0; |
| 21 | } |
| 22 | |
| 23 | *add = 0; |
| 24 | err = set_umid(name); |
| 25 | if (err == -EEXIST) |
| 26 | os_warn("umid '%s' already in use\n", name); |
| 27 | else if (!err) |
| 28 | umid_inited = 1; |
| 29 | |
| 30 | return 0; |
| 31 | } |
| 32 | |
| 33 | __uml_setup("umid=", set_umid_arg, |
| 34 | "umid=<name>\n" |
| 35 | " This is used to assign a unique identity to this UML machine and\n" |
| 36 | " is used for naming the pid file and management console socket.\n\n" |
| 37 | ); |
| 38 | |