39 lines
736 B
C
39 lines
736 B
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <asm/errno.h>
|
||
|
|
#include <init.h>
|
||
|
|
#include <kern.h>
|
||
|
|
#include <os.h>
|
||
|
|
|
||
|
|
/* Changed by set_umid_arg */
|
||
|
|
static int umid_inited;
|
||
|
|
|
||
|
|
static int __init set_umid_arg(char *name, int *add)
|
||
|
|
{
|
||
|
|
int err;
|
||
|
|
|
||
|
|
if (umid_inited) {
|
||
|
|
os_warn("umid already set\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
*add = 0;
|
||
|
|
err = set_umid(name);
|
||
|
|
if (err == -EEXIST)
|
||
|
|
os_warn("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"
|
||
|
|
);
|
||
|
|
|