1 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
2 /* All Rights Reserved */
3
4
5 /*
6 * Copyright (c) 1982, 1986, 1993 Regents of the University of California.
7 * All rights reserved. The Berkeley software License Agreement
8 * specifies the terms and conditions for redistribution.
9 */
10
11 /*
12 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
13 * Use is subject to license terms.
14 */
15
16 #ifndef _SYS_TIME_H
17 #define _SYS_TIME_H
18
19 #include <sys/feature_tests.h>
20
21 /*
22 * Structure returned by gettimeofday(2) system call,
23 * and used in other calls.
24 */
25
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29
30 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
31 defined(__EXTENSIONS__)
355 extern hrtime_t ts2hrt(const timestruc_t *);
356 extern void hrt2tv(hrtime_t, struct timeval *);
357 extern hrtime_t tv2hrt(struct timeval *);
358 extern int itimerfix(struct timeval *, int);
359 extern int itimerdecr(struct itimerval *, int);
360 extern void timevaladd(struct timeval *, struct timeval *);
361 extern void timevalsub(struct timeval *, struct timeval *);
362 extern void timevalfix(struct timeval *);
363 extern void dtrace_hres_tick(void);
364
365 extern clock_t ddi_get_lbolt(void);
366 extern int64_t ddi_get_lbolt64(void);
367
368 #if defined(_SYSCALL32)
369 extern void hrt2ts32(hrtime_t, timestruc32_t *);
370 #endif
371
372 #endif /* _KERNEL */
373
374 #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
375 #if defined(__STDC__)
376 int adjtime(struct timeval *, struct timeval *);
377 #else
378 int adjtime();
379 #endif
380 #endif /* !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) ... */
381
382 #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || \
383 defined(_ATFILE_SOURCE) || defined(__EXTENSIONS__)
384 #if defined(__STDC__)
385 int futimesat(int, const char *, const struct timeval *);
386 #else
387 int futimesat();
388 #endif /* defined(__STDC__) */
389 #endif /* defined(__ATFILE_SOURCE) */
390
391 #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
392 defined(__EXTENSIONS__)
393
394 #if defined(__STDC__)
395
396 int getitimer(int, struct itimerval *);
397 int utimes(const char *, const struct timeval *);
398 #if defined(_XPG4_2)
399 int setitimer(int, const struct itimerval *_RESTRICT_KYWD,
400 struct itimerval *_RESTRICT_KYWD);
401 #else
402 int setitimer(int, struct itimerval *_RESTRICT_KYWD,
403 struct itimerval *_RESTRICT_KYWD);
404 #endif /* defined(_XPG2_2) */
405
406 #else /* __STDC__ */
407
408 int gettimer();
409 int settimer();
410 int utimes();
411 #endif /* __STDC__ */
412 #endif /* !defined(_KERNEL) ... defined(_XPG4_2) */
413
414 /*
415 * gettimeofday() and settimeofday() were included in SVr4 due to their
416 * common use in BSD based applications. They were to be included exactly
417 * as in BSD, with two parameters. However, AT&T/USL noted that the second
418 * parameter was unused and deleted it, thereby making a routine included
419 * for compatibility, incompatible.
420 *
421 * XSH4.2 (spec 1170) defines gettimeofday and settimeofday to have two
422 * parameters.
423 *
424 * This has caused general disagreement in the application community as to
425 * the syntax of these routines. Solaris defaults to the XSH4.2 definition.
426 * The flag _SVID_GETTOD may be used to force the SVID version.
427 */
428 #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
429
430 #if defined(__STDC__)
431 #if defined(_SVID_GETTOD)
432 int settimeofday(struct timeval *);
433 #else
434 int settimeofday(struct timeval *, void *);
435 #endif
436 hrtime_t gethrtime(void);
437 hrtime_t gethrvtime(void);
438 #else /* __STDC__ */
439 int settimeofday();
440 hrtime_t gethrtime();
441 hrtime_t gethrvtime();
442 #endif /* __STDC__ */
443
444 #endif /* !(defined _KERNEL) && !defined(__XOPEN_OR_POSIX) ... */
445
446 #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
447 defined(__EXTENSIONS__)
448
449 #if defined(__STDC__)
450 #if defined(_SVID_GETTOD)
451 int gettimeofday(struct timeval *);
452 #else
453 int gettimeofday(struct timeval *_RESTRICT_KYWD, void *_RESTRICT_KYWD);
454 #endif
455 #else /* __STDC__ */
456 int gettimeofday();
457 #endif /* __STDC__ */
458
459 #endif /* !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) ... */
460
461 /*
462 * The inclusion of <time.h> is historical and was added for
463 * backward compatibility in delta 1.2 when a number of definitions
464 * were moved out of <sys/time.h>. More recently, the timespec and
465 * itimerspec structure definitions, along with the _CLOCK_*, CLOCK_*,
466 * _TIMER_*, and TIMER_* symbols were moved to <sys/time_impl.h>,
467 * which is now included by <time.h>. This change was due to POSIX
468 * 1003.1b-1993 and X/Open UNIX 98 requirements. For non-POSIX and
469 * non-X/Open applications, including this header will still make
470 * visible these definitions.
471 */
472 #if !defined(_BOOT) && !defined(_KERNEL) && \
473 !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
474 #include <time.h>
475 #endif
476
477 /*
|
1 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
2 /* All Rights Reserved */
3
4
5 /*
6 * Copyright (c) 1982, 1986, 1993 Regents of the University of California.
7 * All rights reserved. The Berkeley software License Agreement
8 * specifies the terms and conditions for redistribution.
9 */
10
11 /*
12 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
13 *
14 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
15 * Use is subject to license terms.
16 */
17
18 #ifndef _SYS_TIME_H
19 #define _SYS_TIME_H
20
21 #include <sys/feature_tests.h>
22
23 /*
24 * Structure returned by gettimeofday(2) system call,
25 * and used in other calls.
26 */
27
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31
32 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
33 defined(__EXTENSIONS__)
357 extern hrtime_t ts2hrt(const timestruc_t *);
358 extern void hrt2tv(hrtime_t, struct timeval *);
359 extern hrtime_t tv2hrt(struct timeval *);
360 extern int itimerfix(struct timeval *, int);
361 extern int itimerdecr(struct itimerval *, int);
362 extern void timevaladd(struct timeval *, struct timeval *);
363 extern void timevalsub(struct timeval *, struct timeval *);
364 extern void timevalfix(struct timeval *);
365 extern void dtrace_hres_tick(void);
366
367 extern clock_t ddi_get_lbolt(void);
368 extern int64_t ddi_get_lbolt64(void);
369
370 #if defined(_SYSCALL32)
371 extern void hrt2ts32(hrtime_t, timestruc32_t *);
372 #endif
373
374 #endif /* _KERNEL */
375
376 #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
377 int adjtime(struct timeval *, struct timeval *);
378 #endif /* !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) ... */
379
380 #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || \
381 defined(_ATFILE_SOURCE) || defined(__EXTENSIONS__)
382 int futimesat(int, const char *, const struct timeval *);
383 #endif /* defined(__ATFILE_SOURCE) */
384
385 #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
386 defined(__EXTENSIONS__)
387
388 int getitimer(int, struct itimerval *);
389 int utimes(const char *, const struct timeval *);
390 #if defined(_XPG4_2)
391 int setitimer(int, const struct itimerval *_RESTRICT_KYWD,
392 struct itimerval *_RESTRICT_KYWD);
393 #else
394 int setitimer(int, struct itimerval *_RESTRICT_KYWD,
395 struct itimerval *_RESTRICT_KYWD);
396 #endif /* defined(_XPG2_2) */
397
398 #endif /* !defined(_KERNEL) ... defined(_XPG4_2) */
399
400 /*
401 * gettimeofday() and settimeofday() were included in SVr4 due to their
402 * common use in BSD based applications. They were to be included exactly
403 * as in BSD, with two parameters. However, AT&T/USL noted that the second
404 * parameter was unused and deleted it, thereby making a routine included
405 * for compatibility, incompatible.
406 *
407 * XSH4.2 (spec 1170) defines gettimeofday and settimeofday to have two
408 * parameters.
409 *
410 * This has caused general disagreement in the application community as to
411 * the syntax of these routines. Solaris defaults to the XSH4.2 definition.
412 * The flag _SVID_GETTOD may be used to force the SVID version.
413 */
414 #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
415
416 #if defined(_SVID_GETTOD)
417 int settimeofday(struct timeval *);
418 #else
419 int settimeofday(struct timeval *, void *);
420 #endif
421 hrtime_t gethrtime(void);
422 hrtime_t gethrvtime(void);
423
424 #endif /* !(defined _KERNEL) && !defined(__XOPEN_OR_POSIX) ... */
425
426 #if !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
427 defined(__EXTENSIONS__)
428
429 #if defined(_SVID_GETTOD)
430 int gettimeofday(struct timeval *);
431 #else
432 int gettimeofday(struct timeval *_RESTRICT_KYWD, void *_RESTRICT_KYWD);
433 #endif
434
435 #endif /* !defined(_KERNEL) && !defined(__XOPEN_OR_POSIX) ... */
436
437 /*
438 * The inclusion of <time.h> is historical and was added for
439 * backward compatibility in delta 1.2 when a number of definitions
440 * were moved out of <sys/time.h>. More recently, the timespec and
441 * itimerspec structure definitions, along with the _CLOCK_*, CLOCK_*,
442 * _TIMER_*, and TIMER_* symbols were moved to <sys/time_impl.h>,
443 * which is now included by <time.h>. This change was due to POSIX
444 * 1003.1b-1993 and X/Open UNIX 98 requirements. For non-POSIX and
445 * non-X/Open applications, including this header will still make
446 * visible these definitions.
447 */
448 #if !defined(_BOOT) && !defined(_KERNEL) && \
449 !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
450 #include <time.h>
451 #endif
452
453 /*
|