1 /* 2 * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) 3 * Licensed under the GPL 4 */ 5 6 #include "linux/stddef.h" 7 #include "linux/kernel.h" 8 #include "asm/errno.h" 9 #include "init.h" 10 #include "os.h" 11 #include "kern.h" 12 13 /* Changed by set_umid_arg and umid_file_name */ 14 int umid_is_random = 0; 15 static int umid_inited = 0; 16 17 static int __init set_umid_arg(char *name, int *add) 18 { 19 int err; 20 21 if(umid_inited) 22 return 0; 23 24 *add = 0; 25 err = set_umid(name, printf); 26 if(err == -EEXIST){ 27 printf("umid '%s' already in use\n", name); 28 umid_is_random = 1; 29 } 30 else if(!err) 31 umid_inited = 1; 32 33 return 0; 34 } 35 36 __uml_setup("umid=", set_umid_arg, 37 "umid=<name>\n" 38 " This is used to assign a unique identity to this UML machine and\n" 39 " is used for naming the pid file and management console socket.\n\n" 40 ); 41 42