RTEMS
timestampimpl.h
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1 
11 /*
12  * COPYRIGHT (c) 1989-2009.
13  * On-Line Applications Research Corporation (OAR).
14  *
15  * The license and distribution terms for this file may be
16  * found in the file LICENSE in this distribution or at
17  * http://www.rtems.org/license/LICENSE.
18  */
19 
20 #ifndef _RTEMS_SCORE_TIMESTAMPIMPL_H
21 #define _RTEMS_SCORE_TIMESTAMPIMPL_H
22 
29 #include <rtems/score/timestamp.h>
30 #include <rtems/score/basedefs.h>
31 
32 #include <sys/time.h>
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
49  Timestamp_Control *_time,
50  time_t _seconds,
51  long _nanoseconds
52 )
53 {
54  struct timespec _ts;
55 
56  _ts.tv_sec = _seconds;
57  _ts.tv_nsec = _nanoseconds;
58 
59  *_time = tstosbt(_ts);
60 }
61 
72  Timestamp_Control *_time
73 )
74 {
75  *_time = 0;
76 }
77 
91  const Timestamp_Control *_lhs,
92  const Timestamp_Control *_rhs
93 )
94 {
95  return *_lhs < *_rhs;
96 }
97 
111  const Timestamp_Control *_lhs,
112  const Timestamp_Control *_rhs
113 )
114 {
115  return *_lhs > *_rhs;
116 }
117 
131  const Timestamp_Control *_lhs,
132  const Timestamp_Control *_rhs
133 )
134 {
135  return *_lhs == *_rhs;
136 }
137 
148  Timestamp_Control *_time,
149  const Timestamp_Control *_add
150 )
151 {
152  *_time += *_add;
153 }
154 
167  const Timestamp_Control *_start,
168  const Timestamp_Control *_end,
169  Timestamp_Control *_result
170 )
171 {
172  *_result = *_end - *_start;
173 }
174 
187  const Timestamp_Control *_lhs,
188  const Timestamp_Control *_rhs,
189  uint32_t *_ival_percentage,
190  uint32_t *_fval_percentage
191 )
192 {
193  struct timespec _ts_left;
194  struct timespec _ts_right;
195 
196  _ts_left = sbttots( *_lhs );
197  _ts_right = sbttots( *_rhs );
198 
200  &_ts_left,
201  &_ts_right,
202  _ival_percentage,
203  _fval_percentage
204  );
205 }
206 
217  const Timestamp_Control *_time
218 )
219 {
220  return (*_time >> 32);
221 }
222 
233  const Timestamp_Control *_time
234 )
235 {
236  struct timespec _ts;
237 
238  _ts = sbttots( *_time );
239 
240  return (uint32_t) _ts.tv_nsec;
241 }
242 
253  const Timestamp_Control *_time
254 )
255 {
256  struct timespec _ts;
257 
258  _ts = sbttots( *_time );
259 
260  return _Timespec_Get_as_nanoseconds( &_ts );
261 }
262 
270  const Timestamp_Control *_timestamp,
271  struct timespec *_timespec
272 )
273 {
274  *_timespec = sbttots( *_timestamp );
275 }
276 
284  const Timestamp_Control *_timestamp,
285  struct timeval *_timeval
286 )
287 {
288  *_timeval = sbttotv( *_timestamp );
289 }
290 
291 #ifdef __cplusplus
292 }
293 #endif
294 
297 #endif
298 /* end of include file */
static __inline__ time_t _Timestamp_Get_seconds(const Timestamp_Control *_time)
Gets seconds portion of timestamp.
int64_t Timestamp_Control
Definition: timestamp.h:57
static __inline__ bool _Timestamp_Less_than(const Timestamp_Control *_lhs, const Timestamp_Control *_rhs)
Checks if the left hand side timestamp is less than the right one.
Definition: timestampimpl.h:90
static __inline__ uint64_t _Timestamp_Get_as_nanoseconds(const Timestamp_Control *_time)
Gets the timestamp as nanoseconds.
static __inline__ void _Timestamp_Divide(const Timestamp_Control *_lhs, const Timestamp_Control *_rhs, uint32_t *_ival_percentage, uint32_t *_fval_percentage)
Divides a timestamp by another timestamp.
static __inline__ void _Timestamp_Set(Timestamp_Control *_time, time_t _seconds, long _nanoseconds)
Sets timestamp to specified seconds and nanoseconds.
Definition: timestampimpl.h:48
Helpers for Manipulating Timestamps.
static __inline__ bool _Timestamp_Greater_than(const Timestamp_Control *_lhs, const Timestamp_Control *_rhs)
Checks if the left hand side timestamp is greater than the right one.
static __inline__ void _Timestamp_Subtract(const Timestamp_Control *_start, const Timestamp_Control *_end, Timestamp_Control *_result)
Subtracts two timestamps.
static __inline__ void _Timestamp_Set_to_zero(Timestamp_Control *_time)
Sets the timestamp to zero.
Definition: timestampimpl.h:71
void _Timespec_Divide(const struct timespec *lhs, const struct timespec *rhs, uint32_t *ival_percentage, uint32_t *fval_percentage)
Divides a timespec by another timespec.
static __inline__ void _Timestamp_Add_to(Timestamp_Control *_time, const Timestamp_Control *_add)
Adds two timestamps.
static __inline__ uint32_t _Timestamp_Get_nanoseconds(const Timestamp_Control *_time)
Gets nanoseconds portion of timestamp.
static __inline__ void _Timestamp_To_timespec(const Timestamp_Control *_timestamp, struct timespec *_timespec)
Converts timestamp to struct timespec.
This header file provides basic definitions used by the API and the implementation.
static __inline__ void _Timestamp_To_timeval(const Timestamp_Control *_timestamp, struct timeval *_timeval)
Converts timestamp to struct timeval.
#define RTEMS_INLINE_ROUTINE
Gives a hint to the compiler in a function declaration to inline this function.
Definition: basedefs.h:683
static __inline__ bool _Timestamp_Equal_to(const Timestamp_Control *_lhs, const Timestamp_Control *_rhs)
Checks if the timestamps are equal.
uint64_t _Timespec_Get_as_nanoseconds(const struct timespec *time)
Gets the timestamp as nanoseconds.