| /* Copyright (C) 1991-2016 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 Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #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 |
| __adjtime (const struct timeval *delta, 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; |
| } |
| |
| weak_alias (__adjtime, adjtime) |