1 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8 
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <https://www.gnu.org/licenses/>.  */
17 
18 #include <time.h>
19 #include <sys/timex.h>
20 
21 #ifndef MOD_OFFSET
22 # define modes mode
23 #endif
24 
25 /* clock_adjtime64 with CLOCK_REALTIME does not trigger EINVAL,
26    ENODEV, or EOPNOTSUPP.  It might still trigger EPERM.  */
27 
28 int
__ntp_gettimex64(struct __ntptimeval64 * ntv)29 __ntp_gettimex64 (struct __ntptimeval64 *ntv)
30 {
31   struct __timex64 tntx;
32   int result;
33 
34   tntx.modes = 0;
35   result = __clock_adjtime64 (CLOCK_REALTIME, &tntx);
36   ntv->time = tntx.time;
37   ntv->maxerror = tntx.maxerror;
38   ntv->esterror = tntx.esterror;
39   ntv->tai = tntx.tai;
40   ntv->__glibc_reserved1 = 0;
41   ntv->__glibc_reserved2 = 0;
42   ntv->__glibc_reserved3 = 0;
43   ntv->__glibc_reserved4 = 0;
44   return result;
45 }
46 
47 #if __TIMESIZE != 64
libc_hidden_def(__ntp_gettimex64)48 libc_hidden_def (__ntp_gettimex64)
49 
50 int
51 __ntp_gettimex (struct ntptimeval *ntv)
52 {
53   struct __ntptimeval64 ntv64;
54   int result;
55 
56   result = __ntp_gettimex64 (&ntv64);
57   *ntv = valid_ntptimeval64_to_ntptimeval (ntv64);
58 
59   return result;
60 }
61 #endif
62 strong_alias (__ntp_gettimex, ntp_gettimex)
63