convert VOP_UNLOCK and vrele into vput's; add proc parameter to union_dircache

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

/*
* Copyright (c) 1982, 1986, 1989, 1993
*      The Regents of the University of California.  All rights reserved.
*
* %sccs.include.redist.c%
*
*      @(#)kern_xxx.c  8.3 (Berkeley) %G%
*/

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <vm/vm.h>
#include <sys/sysctl.h>

#include <sys/mount.h>
#include <sys/syscallargs.h>

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

       if (error = suser(p->p_ucred, &p->p_acflag))
               return (error);
       boot(SCARG(uap, opt));
       return (0);
}

#if defined(COMPAT_43) || defined(COMPAT_SUNOS)

/* ARGSUSED */
int
compat_43_gethostname(p, uap, retval)
       struct proc *p;
       struct compat_43_gethostname_args /* {
               syscallarg(char *) hostname;
               syscallarg(u_int) len;
       } */ *uap;
       register_t *retval;
{
       int name;

       name = KERN_HOSTNAME;
       return (kern_sysctl(&name, 1, SCARG(uap, hostname), &SCARG(uap, len),
           0, 0));
}

/* ARGSUSED */
int
compat_43_sethostname(p, uap, retval)
       struct proc *p;
       register struct compat_43_sethostname_args /* {
               syscallarg(char *) hostname;
               syscallarg(u_int) len;
       } */ *uap;
       register_t *retval;
{
       int name;
       int error;

       if (error = suser(p->p_ucred, &p->p_acflag))
               return (error);
       name = KERN_HOSTNAME;
       return (kern_sysctl(&name, 1, 0, 0, SCARG(uap, hostname),
           SCARG(uap, len)));
}

/* ARGSUSED */
int
compat_43_gethostid(p, uap, retval)
       struct proc *p;
       void *uap;
       register_t *retval;
{

       *(int32_t *)retval = hostid;
       return (0);
}
#endif /* COMPAT_43 || COMPAT_SUNOS */

#ifdef COMPAT_43
/* ARGSUSED */
int
compat_43_sethostid(p, uap, retval)
       struct proc *p;
       struct compat_43_sethostid_args /* {
               syscallarg(int32_t) hostid;
       } */ *uap;
       register_t *retval;
{
       int error;

}

int
compat_43_quota(p, uap, retval)
       struct proc *p;
       void *uap;
       register_t *retval;
{

       return (ENOSYS);
}
#endif /* COMPAT_43 */