1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
* clock_gettime() for uClibc
*
* Copyright (C) 2003 by Justus Pendleton <uc@ryoohki.net>
* Copyright (C) 2005 by Peter Kjellerstedt <pkj@axis.com>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#define _GNU_SOURCE
#include "syscalls.h"
#include <time.h>
#include <sys/time.h>
#ifdef __NR_clock_gettime
_syscall2(int, clock_gettime, clockid_t, clock_id, struct timespec*, tp);
#else
int clock_gettime(clockid_t clock_id, struct timespec* tp)
{
struct timeval tv;
int retval = -1;
switch (clock_id) {
case CLOCK_REALTIME:
retval = gettimeofday(&tv, NULL);
if (retval == 0) {
TIMEVAL_TO_TIMESPEC(&tv, tp);
}
break;
default:
errno = EINVAL;
break;
}
return retval;
}
#endif
|