1 | /* Copyright (C) 2011-2017 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. |
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 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <time.h> |
19 | #include <sysdep.h> |
20 | #include <errno.h> |
21 | |
22 | #ifdef HAVE_CLOCK_GETTIME_VSYSCALL |
23 | # define HAVE_VSYSCALL |
24 | #endif |
25 | #include <sysdep-vdso.h> |
26 | |
27 | /* Set TS to calendar time based in time base BASE. */ |
28 | int |
29 | timespec_get (struct timespec *ts, int base) |
30 | { |
31 | switch (base) |
32 | { |
33 | int res; |
34 | INTERNAL_SYSCALL_DECL (err); |
35 | case TIME_UTC: |
36 | res = INTERNAL_VSYSCALL (clock_gettime, err, 2, CLOCK_REALTIME, ts); |
37 | if (INTERNAL_SYSCALL_ERROR_P (res, err)) |
38 | return 0; |
39 | break; |
40 | |
41 | default: |
42 | return 0; |
43 | } |
44 | |
45 | return base; |
46 | } |
47 | |