blob: d87503e2cf017e12c5ccc50f34aa692ac9ed96ff (
plain)
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <time.h>
#include <errno.h>
#include <rtems/system.h>
#include <rtems/score/isr.h>
#include <rtems/score/thread.h>
#include <rtems/score/tod.h>
#include <rtems/seterr.h>
/*PAGE
*
* 14.2.1 Clocks, P1003.1b-1993, p. 263
*/
int clock_gettime(
clockid_t clock_id,
struct timespec *tp
)
{
if ( !tp )
rtems_set_errno_and_return_minus_one( EINVAL );
switch ( clock_id ) {
case CLOCK_REALTIME:
_TOD_Get(tp);
break;
#ifdef CLOCK_MONOTONIC
case CLOCK_MONOTONIC:
_TOD_Get_uptime(tp);
break;
#endif
#ifdef _POSIX_CPUTIME
case CLOCK_PROCESS_CPUTIME:
_TOD_Get_uptime(tp);
break;
#endif
#ifdef _POSIX_THREAD_CPUTIME
case CLOCK_THREAD_CPUTIME:
rtems_set_errno_and_return_minus_one( ENOSYS );
break;
#endif
default:
rtems_set_errno_and_return_minus_one( EINVAL );
}
return 0;
}
|