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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* @file
* OS independent time-manipulation functions.
*
* @author Jose Fonseca <jrfonseca@tungstengraphics.com>
*/
#ifndef U_TIME_H_
#define U_TIME_H_
#include "pipe/p_config.h"
#include "os/os_time.h"
#include "pipe/p_compiler.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Time abstraction.
*
* Do not access this structure directly. Use the provided function instead.
*/
struct util_time
{
int64_t counter;
};
PIPE_DEPRECATED
static INLINE void
util_time_get(struct util_time *t)
{
t->counter = os_time_get();
}
PIPE_DEPRECATED
static INLINE void
util_time_add(const struct util_time *t1,
int64_t usecs,
struct util_time *t2)
{
t2->counter = t1->counter + usecs;
}
PIPE_DEPRECATED
static INLINE int64_t
util_time_diff(const struct util_time *t1,
const struct util_time *t2)
{
return t2->counter - t1->counter;
}
/**
* Compare two time values.
*
* Not publicly available because it does not take in account wrap-arounds.
* Use util_time_timeout instead.
*/
static INLINE int
_util_time_compare(const struct util_time *t1,
const struct util_time *t2)
{
if (t1->counter < t2->counter)
return -1;
else if(t1->counter > t2->counter)
return 1;
else
return 0;
}
PIPE_DEPRECATED
static INLINE boolean
util_time_timeout(const struct util_time *start,
const struct util_time *end,
const struct util_time *curr)
{
return os_time_timeout(start->counter, end->counter, curr->counter);
}
PIPE_DEPRECATED
static INLINE int64_t
util_time_micros(void)
{
return os_time_get();
}
PIPE_DEPRECATED
static INLINE void
util_time_sleep(int64_t usecs)
{
os_time_sleep(usecs);
}
#ifdef __cplusplus
}
#endif
#endif /* U_TIME_H_ */
|
