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"
);