time.h
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021:
022:
023: #ifndef _TIME_H
024:
025: #if (! defined __need_time_t && !defined __need_clock_t && \
026: ! defined __need_timespec)
027: # define _TIME_H 1
028: # include <features.h>
029:
030: __BEGIN_DECLS
031:
032: #endif
033:
034: #ifdef _TIME_H
035:
036: # define __need_size_t
037: # define __need_NULL
038: # include <stddef.h>
039:
040:
041:
042: # include <bits/time.h>
043:
044:
045: # if !defined __STRICT_ANSI__ && !defined __USE_XOPEN2K
046: # ifndef CLK_TCK
047: # define CLK_TCK CLOCKS_PER_SEC
048: # endif
049: # endif
050:
051: #endif
052:
053: #if !defined __clock_t_defined && (defined _TIME_H || defined __need_clock_t)
054: # define __clock_t_defined 1
055:
056: # include <bits/types.h>
057:
058: __BEGIN_NAMESPACE_STD
059:
060: typedef __clock_t clock_t;
061: __END_NAMESPACE_STD
062: #if defined __USE_XOPEN || defined __USE_POSIX || defined __USE_MISC
063: __USING_NAMESPACE_STD(clock_t)
064: #endif
065:
066: #endif
067: #undef __need_clock_t
068:
069: #if !defined __time_t_defined && (defined _TIME_H || defined __need_time_t)
070: # define __time_t_defined 1
071:
072: # include <bits/types.h>
073:
074: __BEGIN_NAMESPACE_STD
075:
076: typedef __time_t time_t;
077: __END_NAMESPACE_STD
078: #if defined __USE_POSIX || defined __USE_MISC || defined __USE_SVID
079: __USING_NAMESPACE_STD(time_t)
080: #endif
081:
082: #endif
083: #undef __need_time_t
084:
085: #if !defined __clockid_t_defined && \
086: ((defined _TIME_H && defined __USE_POSIX199309) || defined __need_clockid_t)
087: # define __clockid_t_defined 1
088:
089: # include <bits/types.h>
090:
091:
092: typedef __clockid_t clockid_t;
093:
094: #endif
095: #undef __clockid_time_t
096:
097: #if !defined __timer_t_defined && \
098: ((defined _TIME_H && defined __USE_POSIX199309) || defined __need_timer_t)
099: # define __timer_t_defined 1
100:
101: # include <bits/types.h>
102:
103:
104: typedef __timer_t timer_t;
105:
106: #endif
107: #undef __need_timer_t
108:
109:
110: #if !defined __timespec_defined && \
111: ((defined _TIME_H && \
112: (defined __USE_POSIX199309 || defined __USE_MISC)) || \
113: defined __need_timespec)
114: # define __timespec_defined 1
115:
116: # include <bits/types.h>
117:
118:
119:
120: struct timespec
121: {
122: __time_t tv_sec;
123: long int tv_nsec;
124: };
125:
126: #endif
127: #undef __need_timespec
128:
129:
130: #ifdef _TIME_H
131: __BEGIN_NAMESPACE_STD
132:
133: struct tm
134: {
135: int tm_sec;
136: int tm_min;
137: int tm_hour;
138: int tm_mday;
139: int tm_mon;
140: int tm_year;
141: int tm_wday;
142: int tm_yday;
143: int tm_isdst;
144:
145: #ifdef __USE_BSD
146: long int tm_gmtoff;
147: __const char *tm_zone;
148: #else
149: long int __tm_gmtoff;
150: __const char *__tm_zone;
151: #endif
152: };
153: __END_NAMESPACE_STD
154: #if defined __USE_XOPEN || defined __USE_POSIX || defined __USE_MISC
155: __USING_NAMESPACE_STD(tm)
156: #endif
157:
158:
159: #ifdef __USE_POSIX199309
160:
161: struct itimerspec
162: {
163: struct timespec it_interval;
164: struct timespec it_value;
165: };
166:
167:
168: struct sigevent;
169:
170: #endif
171:
172: #ifdef __USE_XOPEN2K
173: # ifndef __pid_t_defined
174: typedef __pid_t pid_t;
175: # define __pid_t_defined
176: # endif
177: #endif
178:
179:
180: __BEGIN_NAMESPACE_STD
181:
182:
183: extern clock_t clock (void) __THROW;
184:
185:
186: extern time_t time (time_t *__timer) __THROW;
187:
188:
189: extern double difftime (time_t __time1, time_t __time0)
190: __THROW __attribute__ ((__const__));
191:
192:
193: extern time_t mktime (struct tm *__tp) __THROW;
194:
195:
196:
197:
198:
199: extern size_t strftime (char *__restrict __s, size_t __maxsize,
200: __const char *__restrict __format,
201: __const struct tm *__restrict __tp) __THROW;
202: __END_NAMESPACE_STD
203:
204: # ifdef __USE_XOPEN
205:
206:
207: extern char *strptime (__const char *__restrict __s,
208: __const char *__restrict __fmt, struct tm *__tp)
209: __THROW;
210: # endif
211:
212: # ifdef __USE_XOPEN2K8
213:
214:
215: # include <xlocale.h>
216:
217: extern size_t strftime_l (char *__restrict __s, size_t __maxsize,
218: __const char *__restrict __format,
219: __const struct tm *__restrict __tp,
220: __locale_t __loc) __THROW;
221: # endif
222:
223: # ifdef __USE_GNU
224: extern char *strptime_l (__const char *__restrict __s,
225: __const char *__restrict __fmt, struct tm *__tp,
226: __locale_t __loc) __THROW;
227: # endif
228:
229:
230: __BEGIN_NAMESPACE_STD
231:
232:
233: extern struct tm *gmtime (__const time_t *__timer) __THROW;
234:
235:
236:
237: extern struct tm *localtime (__const time_t *__timer) __THROW;
238: __END_NAMESPACE_STD
239:
240: # if defined __USE_POSIX || defined __USE_MISC
241:
242:
243: extern struct tm *gmtime_r (__const time_t *__restrict __timer,
244: struct tm *__restrict __tp) __THROW;
245:
246:
247:
248: extern struct tm *localtime_r (__const time_t *__restrict __timer,
249: struct tm *__restrict __tp) __THROW;
250: # endif
251:
252: __BEGIN_NAMESPACE_STD
253:
254:
255: extern char *asctime (__const struct tm *__tp) __THROW;
256:
257:
258: extern char *ctime (__const time_t *__timer) __THROW;
259: __END_NAMESPACE_STD
260:
261: # if defined __USE_POSIX || defined __USE_MISC
262:
263:
264:
265:
266: extern char *asctime_r (__const struct tm *__restrict __tp,
267: char *__restrict __buf) __THROW;
268:
269:
270: extern char *ctime_r (__const time_t *__restrict __timer,
271: char *__restrict __buf) __THROW;
272: # endif
273:
274:
275:
276: extern char *__tzname[2];
277: extern int __daylight;
278: extern long int __timezone;
279:
280:
281: # ifdef __USE_POSIX
282:
283: extern char *tzname[2];
284:
285:
286:
287: extern void tzset (void) __THROW;
288: # endif
289:
290: # if defined __USE_SVID || defined __USE_XOPEN
291: extern int daylight;
292: extern long int timezone;
293: # endif
294:
295: # ifdef __USE_SVID
296:
297:
298: extern int stime (__const time_t *__when) __THROW;
299: # endif
300:
301:
302:
303:
304: # define __isleap(year) \
305: ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
306:
307:
308: # ifdef __USE_MISC
309:
310:
311:
312:
313: extern time_t timegm (struct tm *__tp) __THROW;
314:
315:
316: extern time_t timelocal (struct tm *__tp) __THROW;
317:
318:
319: extern int dysize (int __year) __THROW __attribute__ ((__const__));
320: # endif
321:
322:
323: # ifdef __USE_POSIX199309
324:
325:
326:
327:
328: extern int nanosleep (__const struct timespec *__requested_time,
329: struct timespec *__remaining);
330:
331:
332:
333: extern int clock_getres (clockid_t __clock_id, struct timespec *__res) __THROW;
334:
335:
336: extern int clock_gettime (clockid_t __clock_id, struct timespec *__tp) __THROW;
337:
338:
339: extern int clock_settime (clockid_t __clock_id, __const struct timespec *__tp)
340: __THROW;
341:
342: # ifdef __USE_XOPEN2K
343:
344:
345:
346:
347: extern int clock_nanosleep (clockid_t __clock_id, int __flags,
348: __const struct timespec *__req,
349: struct timespec *__rem);
350:
351:
352: extern int clock_getcpuclockid (pid_t __pid, clockid_t *__clock_id) __THROW;
353: # endif
354:
355:
356:
357: extern int timer_create (clockid_t __clock_id,
358: struct sigevent *__restrict __evp,
359: timer_t *__restrict __timerid) __THROW;
360:
361:
362: extern int timer_delete (timer_t __timerid) __THROW;
363:
364:
365: extern int timer_settime (timer_t __timerid, int __flags,
366: __const struct itimerspec *__restrict __value,
367: struct itimerspec *__restrict __ovalue) __THROW;
368:
369:
370: extern int timer_gettime (timer_t __timerid, struct itimerspec *__value)
371: __THROW;
372:
373:
374: extern int timer_getoverrun (timer_t __timerid) __THROW;
375: # endif
376:
377:
378: # ifdef __USE_XOPEN_EXTENDED
379:
380:
381:
382:
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385:
386:
387:
388:
389:
390: extern int getdate_err;
391:
392:
393:
394:
395:
396:
397:
398:
399: extern struct tm *getdate (__const char *__string);
400: # endif
401:
402: # ifdef __USE_GNU
403:
404:
405:
406:
407:
408:
409:
410:
411:
412:
413: extern int getdate_r (__const char *__restrict __string,
414: struct tm *__restrict __resbufp);
415: # endif
416:
417: __END_DECLS
418:
419: #endif
420:
421: #endif
422:
© Andrew Scott 2006 -
2024,
All Rights Reserved