new syscall convention

[unix-history] / usr / src / sys / kern / kern_xxx.c

/*
* Copyright (c) 1982, 1986, 1989 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley.  The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*      @(#)kern_xxx.c  7.12 (Berkeley) %G%
*/

#include "param.h"
#include "systm.h"
#include "syscontext.h"
#include "kernel.h"
#include "proc.h"
#include "reboot.h"

/* ARGSUSED */
gethostid(p, uap, retval)
       struct proc *p;
       void *uap;
       long *retval;
{

       *retval = hostid;
       RETURN (0);
}

sethostid(p, uap, retval)
       struct proc *p;
       struct args {
               long    hostid;
       } *uap;
       int *retval;
{
       int error;

}

/* ARGSUSED */
gethostname(p, uap, retval)
       struct proc *p;
       struct args {
               char    *hostname;
               u_int   len;
       } *uap;
       int *retval;
{

       if (uap->len > hostnamelen + 1)
               uap->len = hostnamelen + 1;
       RETURN (copyout((caddr_t)hostname, (caddr_t)uap->hostname, uap->len));
}

/* ARGSUSED */
sethostname(p, uap, retval)
       struct proc *p;
       register struct args {
               char    *hostname;
               u_int   len;
       } *uap;
       int *retval;
{
       int error;

       if (error = suser(u.u_cred, &u.u_acflag))
               RETURN (error);
       if (uap->len > sizeof (hostname) - 1)
               RETURN (EINVAL);
       hostnamelen = uap->len;
       error = copyin((caddr_t)uap->hostname, hostname, uap->len);
       hostname[hostnamelen] = 0;
       RETURN (error);
}

/* ARGSUSED */
reboot(p, uap, retval)
       struct proc *p;
       struct args {
               int     opt;
       } *uap;
       int *retval;
{
       int error;

}

ovhangup()
{

       RETURN (EINVAL);
}

oldquota()
{

       RETURN (EINVAL);
}