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- /* Copyright (C) 1991 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <errno.h>
- #include <sys/time.h>
- #include <hurd.h>
-
- /* Adjust the current time of day by the amount in DELTA.
- If OLDDELTA is not NULL, it is filled in with the amount
- of time adjustment remaining to be done from the last `__adjtime' call.
- This call is restricted to the super-user. */
- int
- DEFUN(__adjtime, (delta, olddelta),
- CONST struct timeval *delta AND
- struct timeval *olddelta)
- {
- error_t err;
- mach_port_t hostpriv;
-
- hostpriv = __pid2task (-1);
- if (hostpriv == MACH_PORT_NULL)
- return -1;
- err = __host_adjust_time (hostpriv, delta, olddelta);
- __mach_port_deallocate (__mach_task_self (), hostpriv);
- if (err)
- return __hurd_fail (err);
- return 0;
- }
-