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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
|
/**************************************************************************
*
* $Id: mbg_tmo.h 1.8.1.3.1.5 2017/04/10 13:21:18 martin TEST $
*
* Copyright (c) Meinberg Funkuhren, Bad Pyrmont, Germany
*
* Description:
* Inline functions for portable timeout handling.
*
* -----------------------------------------------------------------------
* $Log: mbg_tmo.h $
* Revision 1.8.1.3.1.5 2017/04/10 13:21:18 martin
* Fixed some compiler warnings.
* Revision 1.8.1.3.1.4 2015/10/05 15:07:24Z marvin
* Unicode support.
* Revision 1.8.1.3.1.3 2015/10/02 14:08:10Z martin
* *** empty log message ***
* Revision 1.8.1.3.1.2 2015/09/15 13:25:57 martin
* *** empty log message ***
* Revision 1.8.1.3.1.1 2015/09/10 14:12:12 martin
* Use clock_gettime( CLOCK_MONOTONIC, ... ) for timeouts.
* New function mbg_tmo_add_ms().
* Revision 1.8.1.3 2014/03/06 13:51:39 martin
* Renamed mbgserio_msec_to_timeval to mbg_msec_to_timeval.
* Revision 1.8.1.2 2014/03/04 12:08:11 martin
* Revision 1.8.1.1 2014/01/08 17:20:51Z martin
* MBG_TGT_POSIX
* Revision 1.8 2013/12/11 12:08:29 martin
* Fixed Windows build.
* Revision 1.7 2012/11/02 09:04:36Z martin
* Fix to have struct timeval defined under Windows.
* Revision 1.6 2012/03/16 11:56:23 martin
* Added mbg_tmo_delta_t().
* Revision 1.5 2011/11/28 15:26:47 martin
* Enabled mbgserio_msec_to_timeval() for Windows.
* Revision 1.4 2011/01/26 16:55:33Z martin
* Fixed compiler warnings with gcc/Linux.
* Revision 1.3 2010/06/02 12:29:44 daniel
* Excluded mbgserio_msec_to_timeval() from build under WIN32 targets.
* Revision 1.2 2009/09/01 10:38:21Z martin
* Cleanup for CVI and other targets which don't support inline code.
* Revision 1.1 2009/08/24 13:08:56 martin
* Initial revision.
*
**************************************************************************/
#ifndef _MBG_TMO_H
#define _MBG_TMO_H
/* Other headers to be included */
#include <mbg_tgt.h>
#include <words.h>
#include <stdlib.h>
#if !defined( MBG_TGT_WIN32 ) && !defined( MBG_TGT_DOS )
#include <sys/time.h>
#endif
#ifdef _MBG_TMO
#define _ext
#define _DO_INIT
#else
#define _ext extern
#endif
/* Start of header body */
#if defined( MBG_TGT_POSIX )
#include <time.h>
typedef struct timespec MBG_TMO_TIME;
#elif defined( MBG_TGT_WIN32 )
typedef union
{
FILETIME ft;
uint64_t u64;
} MBG_TMO_TIME;
#else // DOS, ...
#include <time.h>
#define MBG_TMO_TIME clock_t
#endif
typedef struct
{
MBG_TMO_TIME t_start;
MBG_TMO_TIME t_tmo;
MBG_TMO_TIME t_now;
} MBG_MSG_TIMES;
#if defined( __mbg_inline )
static __mbg_inline
void mbg_tmo_get_time( MBG_TMO_TIME *t )
{
#if defined( MBG_TGT_POSIX )
clock_gettime( CLOCK_MONOTONIC, t );
#elif defined( MBG_TGT_WIN32 )
GetSystemTimeAsFileTime( &t->ft );
#else // DOS, ...
*t = clock();
#endif
} // mbg_tmo_get_time
#elif defined( MBG_TGT_CVI )
#define mbg_tmo_get_time( _t ) \
GetSystemTimeAsFileTime( &(_t)->ft )
#else // DOS, ...
#define mbg_tmo_get_time( _t ) \
*(_t) = clock();
#endif
#if defined( __mbg_inline )
static __mbg_inline
int mbg_tmo_time_is_set( const MBG_TMO_TIME *t )
{
#if defined( MBG_TGT_POSIX )
return ( t->tv_sec != 0 ) || ( t->tv_nsec != 0 );
#elif defined( MBG_TGT_WIN32 )
return ( t->u64 != 0 );
#else // DOS, ...
return ( *t != 0 );
#endif
} // mbg_tmo_time_is_set
#elif defined( MBG_TGT_CVI )
#define mbg_tmo_time_is_set( _t ) \
( (_t)->u64 != 0 )
#else // DOS, ...
#define mbg_tmo_time_is_set( _t ) \
( *(_t) != 0 )
#endif
#if defined( __mbg_inline )
static __mbg_inline
void mbg_tmo_add_ms( MBG_TMO_TIME *t_tmo, long msec )
{
#if defined( MBG_TGT_POSIX )
ldiv_t ldt = ldiv( msec, 1000 );
t_tmo->tv_sec += ldt.quot;
t_tmo->tv_nsec += ldt.rem * 1000000L;
while ( t_tmo->tv_nsec > 1000000000L )
{
t_tmo->tv_nsec -= 1000000000L;
t_tmo->tv_sec++;
}
while ( t_tmo->tv_nsec < 0L )
{
t_tmo->tv_nsec += 1000000000L;
t_tmo->tv_sec--;
}
#elif defined( MBG_TGT_WIN32 )
t_tmo->u64 += ( (uint64_t) msec ) * 10000;
#else // DOS, ...
*t_tmo += (clock_t) ( ( (double) msec * CLOCKS_PER_SEC ) / 1000 );
#endif
} // mbg_tmo_add_ms
#elif defined( MBG_TGT_CVI )
#error FIXME
#define mbg_tmo_add_ms( _t, _msec ) \
mbg_tmo_get_time( (_t) ); \
(_t)->u64 += ( (uint64_t) (_msec) ) * 10000
#else // DOS, ...
#error FIXME
#define mbg_tmo_add_ms( _t, _msec ) \
mbg_tmo_get_time( (_t) ); \
*(_t) += (clock_t) ( ( (double) (_msec) * CLOCKS_PER_SEC ) / 1000 );
#endif
#if defined( __mbg_inline )
static __mbg_inline
void mbg_tmo_set_timeout_ms( MBG_TMO_TIME *t_tmo, ulong msec )
{
mbg_tmo_get_time( t_tmo );
mbg_tmo_add_ms( t_tmo, msec );
} // mbg_tmo_set_timeout
#else
#define mbg_tmo_set_timeout_ms( _t, _msec ) \
do \
{ \
mbg_tmo_get_time( (_t) ); \
mbg_tmo_add_ms( (_t), (_msec) ); \
} while 0
#endif
#if defined( __mbg_inline )
static __mbg_inline
long mbg_tmo_time_diff_ms( const MBG_TMO_TIME *t, const MBG_TMO_TIME *t0 )
{
#if defined( MBG_TGT_POSIX )
return ( t->tv_sec - t0->tv_sec ) * 1000
+ ( t->tv_nsec - t0->tv_nsec ) / 1000000L;
#elif defined( MBG_TGT_WIN32 )
return (long) ( ( t->u64 - t0->u64 ) / 10000 );
#else // DOS, ...
return (long) ( (double) ( ( *t - *t0 ) * 1000 ) / CLOCKS_PER_SEC );
#endif
} // mbg_tmo_time_diff_ms
#elif defined( MBG_TGT_CVI )
#define mbg_tmo_time_diff_ms( _t, _t0 ) \
(long) ( ( (_t)->u64 - (_t0)->u64 ) / 10000 )
#else // DOS, ...
#define mbg_tmo_time_diff_ms( _t, _t0 ) \
(long) ( (double) ( ( *(_t) - *(_t0) ) * 1000 ) / CLOCKS_PER_SEC );
#endif
#if defined( __mbg_inline )
static __mbg_inline
double mbg_tmo_delta_t( const MBG_TMO_TIME *t, const MBG_TMO_TIME *t0 )
{
#if defined( MBG_TGT_POSIX )
return (double) ( t->tv_sec - t0->tv_sec )
+ (double) ( t->tv_nsec - t0->tv_nsec ) / 1e9;
#elif defined( MBG_TGT_WIN32 )
return ( (double) (int64_t) ( t->u64 - t0->u64 ) ) / 1e7;
#else // DOS, ...
return (double) ( *t - *t0 ) / (double) CLOCKS_PER_SEC;
#endif
} // mbg_tmo_delta_t
#elif defined( MBG_TGT_CVI )
#define mbg_tmo_delta_t( _t, _t0 ) \
( (double) ( (_t)->u64 - (_t0)->u64 ) / (double) CLOCKS_PER_SEC )
#else // DOS, ...
#define mbg_tmo_delta_t( _t, _t0 ) \
( (double) ( *(_t) - *(_t0) ) / (double) CLOCKS_PER_SEC )
#endif
#if defined( __mbg_inline )
static __mbg_inline
int mbg_tmo_time_is_after( const MBG_TMO_TIME *t_now, const MBG_TMO_TIME *tmo )
{
#if defined( MBG_TGT_POSIX )
return ( ( t_now->tv_sec > tmo->tv_sec ) ||
( ( t_now->tv_sec == tmo->tv_sec ) && ( t_now->tv_nsec > tmo->tv_nsec ) ) );
#elif defined( MBG_TGT_WIN32 )
return ( t_now->u64 > tmo->u64 );
#else // DOS, ...
return ( *t_now > *tmo );
#endif
} // mbg_tmo_time_is_after
#elif defined( MBG_TGT_CVI )
#define mbg_tmo_time_is_after( _t, _tmo ) \
( (_t)->u64 > (_tmo)->u64 )
#else // DOS, ...
#define mbg_tmo_time_is_after( _t, _tmo ) \
( *(_t) > *(_tmo) )
#endif
#if defined( __mbg_inline )
static __mbg_inline
int mbg_tmo_curr_time_is_after( const MBG_TMO_TIME *tmo )
{
MBG_TMO_TIME t_now;
mbg_tmo_get_time( &t_now );
return mbg_tmo_time_is_after( &t_now, tmo );
} // mbg_tmo_curr_time_is_after
#else
// needs to be implemented as non-inline function in mbg_tmo.c
int mbg_tmo_curr_time_is_after( const MBG_TMO_TIME *tmo );
#endif
// The function below can be used to set up a timeout for select().
// check for CVI first since this is a special case of WIN32
#if defined( MBG_TGT_CVI )
// needs to be implemented as non-inline function in mbg_tmo.c
void mbg_msec_to_timeval( ulong msec, struct timeval *tv );
#elif defined( MBG_TGT_POSIX ) || defined( MBG_TGT_WIN32 )
static __mbg_inline
void mbg_msec_to_timeval( ulong msec, struct timeval *tv )
{
tv->tv_sec = msec / 1000;
tv->tv_usec = ( msec % 1000 ) * 1000;
} // mbg_msec_to_timeval
#endif // defined( MBG_TGT_POSIX ) || defined( MBG_TGT_WIN32 )
/* function prototypes: */
#ifdef __cplusplus
extern "C" {
#endif
/* ----- function prototypes begin ----- */
/* This section was generated automatically */
/* by MAKEHDR, do not remove the comments. */
/* (no header definitions found) */
/* ----- function prototypes end ----- */
#ifdef __cplusplus
}
#endif
/* End of header body */
#undef _ext
#undef _DO_INIT
#endif /* _MBG_TMO_H */
|
