blob: b8ac9d821735f993d8f0ee3075dfe4836ce88634 (
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
|
/*
* Mach Operating System
* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
#include <mach/std_types.h>
#include <machine/locore.h>
#include <sys/time.h>
#include <kern/time_stamp.h>
unsigned ts_tick_count;
/*
* ts.c - kern_timestamp system call.
*/
kern_return_t
kern_timestamp(struct tsval *tsp)
{
/*
temp.low_val = 0;
temp.high_val = ts_tick_count;
*/
time_value_t temp;
temp = time;
if (copyout(&temp,
tsp,
sizeof(struct tsval)) != KERN_SUCCESS)
return(KERN_INVALID_ADDRESS);
return(KERN_SUCCESS);
}
/*
* Initialization procedure.
*/
void timestamp_init(void)
{
ts_tick_count = 0;
}
|
