reactos/rossubsys/posix/include/time.h

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/* $Id: time.h,v 1.5 2002/10/29 04:45:25 rex Exp $
*/
/*
* time.h
*
* time types. Conforming to the Single UNIX(r) Specification Version 2,
* System Interface & Headers Issue 5
*
* This file is part of the ReactOS Operating System.
*
* Contributors:
* Created by KJK::Hyperion <noog@libero.it>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __TIME_H_INCLUDED__
#define __TIME_H_INCLUDED__
/* INCLUDES */
#include <signal.h>
#include <sys/types.h>
/* OBJECTS */
/* extern static int getdate_err; */ /* FIXME */
extern int daylight;
extern long int timezone;
extern char *tzname[];
/* TYPES */
/* pre-declaration of signal.h types to suppress warnings caused by circular
dependencies */
struct sigevent;
struct tm
{
int tm_sec; /* seconds [0,61] */
int tm_min; /* minutes [0,59] */
int tm_hour; /* hour [0,23] */
int tm_mday; /* day of month [1,31] */
int tm_mon; /* month of year [0,11] */
int tm_year; /* years since 1900 */
int tm_wday; /* day of week [0,6] (Sunday = 0) */
int tm_yday; /* day of year [0,365] */
int tm_isdst; /* daylight savings flag */
};
struct timespec
{
time_t tv_sec; /* seconds */
long tv_nsec; /* nanoseconds */
};
struct itimerspec
{
struct timespec it_interval; /* timer period */
struct timespec it_value; /* timer expiration */
};
/* CONSTANTS */
/* FIXME: all the constants are wrong */
/* Number of clock ticks per second returned by the times() function (LEGACY). */
#define CLK_TCK (1)
/* A number used to convert the value returned by the clock() function into
seconds. */
#define CLOCKS_PER_SEC (1)
/* The identifier of the systemwide realtime clock. */
#define CLOCK_REALTIME (0)
/* Flag indicating time is absolute with respect to the clock associated with a
timer. */
#define TIMER_ABSTIME (1)
/* PROTOTYPES */
char *asctime(const struct tm *);
char *asctime_r(const struct tm *, char *);
clock_t clock(void);
int clock_getres(clockid_t, struct timespec *);
int clock_gettime(clockid_t, struct timespec *);
int clock_settime(clockid_t, const struct timespec *);
char *ctime(const time_t *);
char *ctime_r(const time_t *, char *);
double difftime(time_t, time_t);
struct tm *getdate(const char *);
struct tm *gmtime(const time_t *);
struct tm *gmtime_r(const time_t *, struct tm *);
struct tm *localtime(const time_t *);
struct tm *localtime_r(const time_t *, struct tm *);
time_t mktime(struct tm *);
int nanosleep(const struct timespec *, struct timespec *);
size_t strftime(char *, size_t, const char *, const struct tm *);
char *strptime(const char *, const char *, struct tm *);
time_t time(time_t *);
int timer_create(clockid_t, struct sigevent *, timer_t *);
int timer_delete(timer_t);
int timer_gettime(timer_t, struct itimerspec *);
int timer_getoverrun(timer_t);
int timer_settime(timer_t, int, const struct itimerspec *,
struct itimerspec *);
void tzset(void);
/* MACROS */
#endif /* __TIME_H_INCLUDED__ */ /* replace with the appropriate tag */
/* EOF */