|  | /* 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 <stddef.h> | 
|  | #include <sys/time.h> | 
|  | #include <mach.h> | 
|  |  | 
|  | /* Get the current time of day and timezone information, | 
|  | putting it into *TV and *TZ.  If TZ is NULL, *TZ is not filled. | 
|  | Returns 0 on success, -1 on errors.  */ | 
|  | int | 
|  | __gettimeofday (struct timeval *tv, struct timezone *tz) | 
|  | { | 
|  | kern_return_t err; | 
|  |  | 
|  | if (tz != NULL) | 
|  | *tz = (struct timezone){0, 0}; /* XXX */ | 
|  |  | 
|  | if (err = __host_get_time (__mach_host_self (), (time_value_t *) tv)) | 
|  | { | 
|  | errno = err; | 
|  | return -1; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  | libc_hidden_def (__gettimeofday) | 
|  | weak_alias (__gettimeofday, gettimeofday) | 
|  | libc_hidden_weak (gettimeofday) |