linux/arch/um/kernel/umid.c

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/*
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <asm/errno.h>
#include "init.h"
#include "kern.h"
#include "os.h"
/* Changed by set_umid_arg */
static int umid_inited = 0;
static int __init set_umid_arg(char *name, int *add)
{
int err;
if (umid_inited) {
printf("umid already set\n");
return 0;
}
*add = 0;
err = set_umid(name);
if (err == -EEXIST)
printf("umid '%s' already in use\n", name);
else if (!err)
umid_inited = 1;
return 0;
}
__uml_setup("umid=", set_umid_arg,
"umid=<name>\n"
" This is used to assign a unique identity to this UML machine and\n"
" is used for naming the pid file and management console socket.\n\n"
);