219 lines
4.7 KiB
C
219 lines
4.7 KiB
C
/*
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* $Id$
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*/
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#ifndef __POSIX_TIME_h
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#define __POSIX_TIME_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <sys/features.h>
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#include "_ansi.h"
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/siginfo.h>
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/*
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* 4.8.1.5 Special Symbol {CLK_TCK}, P1003.1b-1993, p. 97
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*/
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#define CLK_TCK sysconf(_SC_CLK_TCK)
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/*
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* Get size_t from the GNU C version of stddef.h
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*/
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#define __need_size_t
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#include <stddef.h>
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/*
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* ANSI C Time Conversion Structure
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*
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* XXX reference
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*/
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struct tm
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{
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int tm_sec;
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int tm_min;
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int tm_hour;
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int tm_mday;
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int tm_mon;
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int tm_year;
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int tm_wday;
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int tm_yday;
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int tm_isdst;
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};
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/*
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* ANSI C Time Conversion Routines
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*
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* XXX reference
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*/
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clock_t _EXFUN(clock, (void));
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double _EXFUN(difftime, (time_t _time2, time_t _time1));
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time_t _EXFUN(mktime, (struct tm *_timeptr));
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time_t _EXFUN(time, (time_t *_timer));
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size_t _EXFUN(strftime,
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(char *_s, size_t _maxsize, const char *_fmt, const struct tm *_t));
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#ifndef _REENT_ONLY
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char *_EXFUN(asctime, (const struct tm *_tblock));
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char *_EXFUN(ctime, (const time_t *_time));
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struct tm *_EXFUN(gmtime, (const time_t *_timer));
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struct tm *_EXFUN(localtime,(const time_t *_timer));
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#endif
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/*
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* Added by 8.3.5 - 8.3.8, P1002.1c/D10, p. 66-69.
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*/
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char *_EXFUN(asctime_r, (const struct tm *, char *));
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char *_EXFUN(ctime_r, (const time_t *, char *));
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struct tm *_EXFUN(gmtime_r, (const time_t *, struct tm *));
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struct tm *_EXFUN(localtime_r, (const time_t *, struct tm *));
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/*
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* 4.5.1 Get System Time, P1003.1b-1993, p. 91
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*/
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time_t _EXFUN(time, (time_t *tloc));
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#if defined(_POSIX_TIMERS)
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/*
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* 14.2.1 Clocks, P1003.1b-1993, p. 263
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*/
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int _EXFUN(clock_settime, (clockid_t clock_id, const struct timespec *tp));
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int _EXFUN(clock_gettime, (clockid_t clock_id, struct timespec *tp));
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int _EXFUN(clock_getres, (clockid_t clock_id, struct timespec *res));
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/*
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* 14.2.2 Create a Per-Process Timer, P1003.1b-1993, p. 264
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*/
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int _EXFUN(timer_create,
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(clockid_t clock_id, struct sigevent *evp, timer_t *timerid)
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);
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/*
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* 14.2.3 Delete a Per_process Timer, P1003.1b-1993, p. 266
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*/
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int _EXFUN(timer_delete, (timer_t timerid));
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/*
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* 14.2.4 Per-Process Timers, P1003.1b-1993, p. 267
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*/
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int _EXFUN(timer_settime,
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(timer_t timerid,
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int flags,
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const struct itimerspec *value,
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struct itimerspec *ovalue)
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);
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int _EXFUN(timer_gettime, (timer_t timerid, struct itimerspec *value));
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int _EXFUN(timer_getoverrun, (timer_t timerid));
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/*
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* 14.2.5 High Resolution Sleep, P1003.1b-1993, p. 269
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*/
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int _EXFUN(nanosleep, (const struct timespec *rqtp, struct timespec *rmtp));
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#endif /* _POSIX_TIMERS */
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/*
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* 20.1.1 CPU-time Clock Attributes, P1003.4b/D8, p. 54
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*/
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/* values for the clock enable attribute */
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#define CLOCK_ENABLED 1 /* clock is enabled, i.e. counting execution time */
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#define CLOCK_DISABLED 0 /* clock is disabled */
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/* values for the pthread cputime_clock_allowed attribute */
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#define CLOCK_ALLOWED 1 /* If a thread is created with this value a */
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/* CPU-time clock attached to that thread */
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/* shall be accessible. */
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#define CLOCK_DISALLOWED 0 /* If a thread is created with this value, the */
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/* thread shall not have a CPU-time clock */
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/* accessible. */
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/*
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* 14.1.3 Manifest Constants, P1003.1b-1993, p. 262
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*/
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#define CLOCK_REALTIME (clockid_t)1
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/*
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* Flag indicating time is "absolute" with respect to the clock
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* associated with a time
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*/
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#define TIMER_ABSTIME 4
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/*
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* 20.1.2 Manifest Constants, P1003.4b/D8, p. 55
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*/
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#if defined(_POSIX_CPUTIME)
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/*
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* When used in a clock or timer function call, this is interpreted as
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* the identifier of the CPU_time clock associated with the PROCESS
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* making the function call.
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*/
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#define CLOCK_PROCESS_CPUTIME (clockid_t)2
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#endif
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#if defined(_POSIX_THREAD_CPUTIME)
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/*
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* When used in a clock or timer function call, this is interpreted as
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* the identifier of the CPU_time clock associated with the THREAD
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* making the function call.
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*/
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#define CLOCK_THREAD_CPUTIME (clockid_t)3
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#endif
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#if defined(_POSIX_CPUTIME)
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/*
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* 20.1.3 Accessing a Process CPU-time CLock, P1003.4b/D8, p. 55
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*/
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int _EXFUN(clock_getcpuclockid, (pid_t pid, clockid_t *clock_id));
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#endif /* _POSIX_CPUTIME */
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#if defined(_POSIX_CPUTIME) || defined(_POSIX_THREAD_CPUTIME)
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/*
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* 20.1.5 CPU-time Clock Attribute Access, P1003.4b/D8, p. 56
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*/
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int _EXFUN(clock_setenable_attr, (clockid_t clock_id, int attr));
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int _EXFUN(clock_getenable_attr, (clockid_t clock_id, int *attr));
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#endif /* _POSIX_CPUTIME or _POSIX_THREAD_CPUTIME */
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* end of include file */
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