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Linux/arch/um/kernel/umid.c

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  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                 printf("umid already set\n");
 20                 return 0;
 21         }
 22 
 23         *add = 0;
 24         err = set_umid(name);
 25         if (err == -EEXIST)
 26                 printf("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 
 39 

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