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/*

 * time.h

 *

 * Struct and function declarations for dealing with time.

 */

#ifndef _TIME_H_

#include "_ansi.h"

#include <sys/reent.h>

#include <sys/linux_time.h>

#ifdef __cplusplus

extern "C" {

#endif

#ifndef NULL

#define NULL    0

#endif

/* Get _CLOCKS_PER_SEC_ */

#include <machine/time.h>

#include <sys/types.h>

/* Time Value Specification Structures, P1003.1b-1993, p. 261 */

#ifndef _STRUCT_TIMESPEC

#define _STRUCT_TIMESPEC

struct timespec {

  time_t  tv_sec;   /* Seconds */

  long    tv_nsec;  /* Nanoseconds */

};

#endif /* !_STRUCT_TIMESPEC */

#ifndef __need_timespec

#define _TIME_H_ 1

#ifndef _CLOCKS_PER_SEC_

#define _CLOCKS_PER_SEC_ 1000

#endif

#define CLOCKS_PER_SEC _CLOCKS_PER_SEC_

#define CLK_TCK CLOCKS_PER_SEC

#define __need_size_t

#include <stddef.h>

struct tm

{

  int   tm_sec;

  int   tm_min;

  int   tm_hour;

  int   tm_mday;

  int   tm_mon;

  int   tm_year;

  int   tm_wday;

  int   tm_yday;

  int   tm_isdst;

};

#ifndef __timer_t_defined

# define __timer_t_defined      1

typedef __timer_t timer_t;

#endif

clock_t    _EXFUN(clock,    (void));

double     _EXFUN(difftime, (time_t _time2, time_t _time1));

time_t     _EXFUN(mktime,   (struct tm *_timeptr));

time_t     _EXFUN(time,     (time_t *_timer));

#ifndef _REENT_ONLY

char      *_EXFUN(asctime,  (const struct tm *_tblock));

char      *_EXFUN(ctime,    (const time_t *_time));

struct tm *_EXFUN(gmtime,   (const time_t *_timer));

struct tm *_EXFUN(localtime,(const time_t *_timer));

#endif

size_t     _EXFUN(strftime, (char *_s, size_t _maxsize, const char *_fmt, const struct tm *_t));

char      *_EXFUN(asctime_r,    (const struct tm *, char *));

char      *_EXFUN(ctime_r,      (const time_t *, char *));

struct tm *_EXFUN(gmtime_r,     (const time_t *, struct tm *));

struct tm *_EXFUN(localtime_r,  (const time_t *, struct tm *));

#ifndef __STRICT_ANSI__

char      *_EXFUN(strptime,     (const char *, const char *, struct tm *));

_VOID      _EXFUN(tzset,        (_VOID));

_VOID      _EXFUN(_tzset_r,     (struct _reent *));

typedef struct __tzrule_struct

{

  char ch;

  int m;

  int n;

  int d;

  int s;

  time_t change;

  long offset; /* Match type of _timezone. */

} __tzrule_type;

typedef struct __tzinfo_struct

{

  int __tznorth;

  int __tzyear;

  __tzrule_type __tzrule[2];

} __tzinfo_type;

__tzinfo_type *_EXFUN (__gettzinfo, (_VOID));

/* getdate functions */

#ifndef _REENT_ONLY

#define getdate_err (*__getdate_err())

int *_EXFUN(__getdate_err,(_VOID));

struct tm *     _EXFUN(getdate, (const char *));

/* getdate_err is set to one of the following values to indicate the error.

     1  the DATEMSK environment variable is null or undefined,

     2  the template file cannot be opened for reading,

     3  failed to get file status information,

     4  the template file is not a regular file,

     5  an error is encountered while reading the template file,

     6  memory allication failed (not enough memory available),

     7  there is no line in the template that matches the input,

     8  invalid input specification  */

#endif /* !_REENT_ONLY */

/* getdate_r returns the error code as above */

int             _EXFUN(getdate_r, (const char *, struct tm *));

/* defines for the opengroup specifications Derived from Issue 1 of the SVID.  */

extern __IMPORT long _timezone;

extern __IMPORT int _daylight;

extern __IMPORT char *_tzname[2];

/* POSIX defines the external tzname being defined in time.h */

#ifndef tzname

#define tzname _tzname

#endif

#endif /* !__STRICT_ANSI__ */

#include <sys/features.h>

#if defined(_POSIX_TIMERS)

#include <signal.h>

/* Clocks, P1003.1b-1993, p. 263 */

int _EXFUN(clock_settime, (clockid_t clock_id, const struct timespec *tp));

int _EXFUN(clock_gettime, (clockid_t clock_id, struct timespec *tp));

int _EXFUN(clock_getres,  (clockid_t clock_id, struct timespec *res));

/* Create a Per-Process Timer, P1003.1b-1993, p. 264 */

int _EXFUN(timer_create,

  (clockid_t clock_id, struct sigevent *evp, timer_t *timerid));

/* Delete a Per_process Timer, P1003.1b-1993, p. 266 */

int _EXFUN(timer_delete, (timer_t timerid));

/* Per-Process Timers, P1003.1b-1993, p. 267 */

int _EXFUN(timer_settime,

  (timer_t timerid, int flags, const struct itimerspec *value,

   struct itimerspec *ovalue));

int _EXFUN(timer_gettime, (timer_t timerid, struct itimerspec *value));

int _EXFUN(timer_getoverrun, (timer_t timerid));

/* High Resolution Sleep, P1003.1b-1993, p. 269 */

int _EXFUN(nanosleep, (const struct timespec  *rqtp, struct timespec *rmtp));

#endif /* _POSIX_TIMERS */

/* CPU-time Clock Attributes, P1003.4b/D8, p. 54 */

/* values for the clock enable attribute */

#define CLOCK_ENABLED  1  /* clock is enabled, i.e. counting execution time */

#define CLOCK_DISABLED 0  /* clock is disabled */

/* values for the pthread cputime_clock_allowed attribute */

#define CLOCK_ALLOWED    1 /* If a thread is created with this value a */

                           /*   CPU-time clock attached to that thread */

                           /*   shall be accessible. */

#define CLOCK_DISALLOWED 0 /* If a thread is created with this value, the */

                           /*   thread shall not have a CPU-time clock */

                           /*   accessible. */

/* Manifest Constants, P1003.1b-1993, p. 262 */

#define CLOCK_REALTIME (clockid_t)1

/* Flag indicating time is "absolute" with respect to the clock

   associated with a time.  */

#define TIMER_ABSTIME  4

/* Manifest Constants, P1003.4b/D8, p. 55 */

#if defined(_POSIX_CPUTIME)

/* When used in a clock or timer function call, this is interpreted as

   the identifier of the CPU_time clock associated with the PROCESS

   making the function call.  */

#define CLOCK_PROCESS_CPUTIME_ID (clockid_t)2

#endif

#if defined(_POSIX_THREAD_CPUTIME)

/*  When used in a clock or timer function call, this is interpreted as

    the identifier of the CPU_time clock associated with the THREAD

    making the function call.  */

#define CLOCK_THREAD_CPUTIME_ID (clockid_t)3

#endif

#if defined(_POSIX_CPUTIME)

/* Accessing a Process CPU-time CLock, P1003.4b/D8, p. 55 */

int _EXFUN(clock_getcpuclockid, (pid_t pid, clockid_t *clock_id));

#endif /* _POSIX_CPUTIME */

#if defined(_POSIX_CPUTIME) || defined(_POSIX_THREAD_CPUTIME)

/* CPU-time Clock Attribute Access, P1003.4b/D8, p. 56 */

int _EXFUN(clock_setenable_attr, (clockid_t clock_id, int attr));

int _EXFUN(clock_getenable_attr, (clockid_t clock_id, int *attr));

#endif /* _POSIX_CPUTIME or _POSIX_THREAD_CPUTIME */

#ifdef __cplusplus

}

#endif

#endif /* ! __need_timespec */

#undef __need_timespec

#endif /* _TIME_H_ */