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
139
140
141
142
143
144
145
146
147
148
149
150
|
/********************************************************************************
* time.h
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name Gregory Nutt nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
********************************************************************************/
#ifndef _TIME_H_
#define _TIME_H_
/********************************************************************************
* Included Files
********************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
/********************************************************************************
* Compilations Switches
********************************************************************************/
/********************************************************************************
* Definitions
********************************************************************************/
/* Clock tick of the system */
#define CLK_TCK 100
/* This is the only clock_id supported by the "Clock and Timer
* Functions."
*/
#define CLOCK_REALTIME 0
#define CLOCK_ABSTIME
/********************************************************************************
* Global Type Declarations
********************************************************************************/
typedef uint32 time_t;
typedef ubyte clockid_t;
typedef ubyte timer_t;
struct timespec
{
time_t tv_sec; /* Seconds */
long tv_nsec; /* Nanoseconds */
};
struct timeval
{
time_t tv_sec; /* Seconds */
long tv_usec; /* Microseconds */
};
struct tm
{
int tm_sec; /* second (0-61, allows for leap seconds) */
int tm_min; /* minute (0-59) */
int tm_hour; /* hour (0-23) */
int tm_mday; /* day of the month (1-31) */
int tm_mon; /* month (0-11) */
int tm_year; /* years since 1900 */
#if 0 /* not supported */
int tm_wday; /* day of the week (0-6) */
int tm_yday; /* day of the year (0-365) */
int tm_isdst; /* non-0 if daylight savings time is in effect */
#endif
};
/* Struct itimerspec is used to define settings for an interval timer */
struct itimerspec
{
struct timespec it_value; /* First time */
struct timespec it_interval; /* and thereafter */
};
/* forward reference (defined in signal.h) */
struct sigevent;
/********************************************************************************
* Global Variables
********************************************************************************/
/* extern char *tznames[]; not supported */
/********************************************************************************
* Global Function Prototypes
********************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
EXTERN int clock_settime(clockid_t clockid, const struct timespec *tp);
EXTERN int clock_gettime(clockid_t clockid, struct timespec *tp);
EXTERN int clock_getres(clockid_t clockid, struct timespec *res);
EXTERN time_t mktime(struct tm *tp);
EXTERN struct tm *gmtime_r(const time_t *clock, struct tm *result);
#define localtime_r(c,r) gmtime_r(c,r)
EXTERN int timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid);
EXTERN int timer_delete(timer_t timerid);
EXTERN int timer_settime(timer_t timerid, int flags, const struct itimerspec *value,
struct itimerspec *ovalue);
EXTERN int timer_gettime(timer_t timerid, struct itimerspec *value);
EXTERN int timer_getoverrun(timer_t timerid);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* _TIME_H_ */
|
