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/* $Header$ */
#ifndef _SYS_TIME_INCLUDED
#define _SYS_TIME_INCLUDED
/* time.h: Definitions for time handling functions */
#ifdef _KERNEL_BUILD
#include "../h/stdsyms.h"
#else /* ! _KERNEL_BUILD */
#include <sys/stdsyms.h>
#endif /* _KERNEL_BUILD */
#include <sys/types.h>
/* ANSI C time constants, types, and structures */
#ifdef _INCLUDE__STDC__
# define CLOCKS_PER_SEC 1000000
# ifndef NULL
# define NULL 0
# endif
# ifndef _CLOCK_T
# define _CLOCK_T
typedef unsigned long clock_t;
# endif /* _CLOCK_T */
# ifndef _TIME_T
# define _TIME_T
typedef long time_t;
# endif /* _TIME_T */
# ifndef _SIZE_T
# define _SIZE_T
typedef unsigned int size_t;
# endif /* _SIZE_T */
/* Structure used with gmtime(), localtime(), mktime(), strftime(). */
struct tm {
int tm_sec; /* second (0-61, allows for leap seconds) */
int tm_min; /* minute (0-59) */
int tm_hour; /* hour (0-23) */
int tm_mday; /* day of the month (1-31) */
int tm_mon; /* month (0-11) */
int tm_year; /* years since 1900 */
int tm_wday; /* day of the week (0-6) */
int tm_yday; /* day of the year (0-365) */
int tm_isdst; /* non-0 if daylight savings time is in effect */
};
#endif /* _INCLUDE__STDC__ */
/* Additional types needed for HP-UX */
#ifdef _INCLUDE_HPUX_SOURCE
# ifndef _STRUCT_TIMEVAL
# define _STRUCT_TIMEVAL
/* Structure returned by gettimeofday(2) system call and others */
struct timeval {
unsigned long tv_sec; /* seconds */
long tv_usec; /* and microseconds */
};
# endif /* _STRUCT_TIMEVAL */
/* Structure used to represent timezones for gettimeofday(2) and others */
struct timezone {
int tz_minuteswest; /* minutes west of Greenwich */
int tz_dsttime; /* type of dst correction */
};
/* Structure defining a timer setting. */
struct itimerval {
struct timeval it_interval; /* timer interval */
struct timeval it_value; /* current value */
};
#endif /* _INCLUDE_HPUX_SOURCE */
/* Function prototypes and external variable declarations */
#ifndef _KERNEL
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifdef _INCLUDE__STDC__
# ifdef _PROTOTYPES
extern double difftime(time_t, time_t);
extern time_t mktime(struct tm *);
extern time_t time(time_t *);
extern char *ctime(const time_t *);
extern struct tm *gmtime(const time_t *);
extern struct tm *localtime(const time_t *);
extern size_t strftime(char *, size_t, const char *, const struct tm *);
# else /* not _PROTOTYPES */
extern double difftime();
extern time_t mktime();
extern time_t time();
extern char *ctime();
extern struct tm *gmtime();
extern struct tm *localtime();
extern size_t strftime();
# endif /* not _PROTOTYPES */
# ifdef _CLASSIC_ANSI_TYPES
extern long clock();
# else /* not _CLASSIC_ANSI_TYPES */
# ifdef _PROTOTYPES
extern clock_t clock(void);
# else /* not _PROTOTYPES */
extern clock_t clock();
# endif /* not _PROTOTYPES */
# endif /* not _CLASSIC_ANSI_TYPES */
#endif /* _INCLUDE__STDC__ */
#ifdef _INCLUDE_POSIX_SOURCE
# ifdef _PROTOTYPES
extern void tzset(void);
# else /* not _PROTOTYPES */
extern void tzset();
# endif /* not _PROTOTYPES */
extern char *tzname[2];
#endif /* _INCLUDE_POSIX_SOURCE */
#ifdef _INCLUDE_XOPEN_SOURCE
# ifdef _PROTOTYPES
extern char *strptime(const char *, const char *, struct tm *);
# else /* not _PROTOTYPES */
extern char *strptime();
# endif /* not _PROTOTYPES */
extern long timezone;
extern int daylight;
#endif /* _INCLUDE_XOPEN_SOURCE */
#ifdef _INCLUDE_HPUX_SOURCE
# ifdef _PROTOTYPES
extern struct tm *getdate(const char *);
extern char *nl_asctime(struct tm *, char *, int);
extern char *nl_ctime(long *, char *, int);
extern char *nl_ascxtime(struct tm *, char *);
extern char *nl_cxtime(long *, char *);
extern int getitimer(int, struct itimerval *);
extern int setitimer(int, const struct itimerval *, struct itimerval *);
extern int gettimeofday(struct timeval *, struct timezone *);
extern int settimeofday(const struct timeval *, const struct timezone *);
extern int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
extern int stime(const time_t *);
# else /* not _PROTOTYPES */
extern struct tm *getdate();
extern char *nl_asctime();
extern char *nl_ctime();
extern char *nl_ascxtime();
extern char *nl_cxtime();
extern int getitimer();
extern int setitimer();
extern int gettimeofday();
extern int settimeofday();
extern int select();
extern int stime();
# endif /* not _PROTOTYPES */
extern int getdate_err;
#endif /* _INCLUDE_HPUX_SOURCE */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* not _KERNEL */
/*
* CLK_TCK is needed by the kernel, and also in the POSIX namespace.
*/
#ifdef _INCLUDE_POSIX_SOURCE
# ifndef CLK_TCK
# ifdef __hp9000s300
# define CLK_TCK 50
# endif /* __hp9000s300 */
# ifdef __hp9000s800
# define CLK_TCK 100
# endif /* __hp9000s800 */
# endif /* CLK_TCK */
#endif
/* Additional HP-UX structures, macros, and constants */
#ifdef _INCLUDE_HPUX_SOURCE
/* Kernel instrumentation time value */
struct ki_timeval {
long tv_sec; /* seconds */
long tv_nunit; /* and native units */
};
/* Kinds of daylight savings time */
# define DST_NONE 0 /* not on dst */
# define DST_USA 1 /* USA style dst */
# define DST_AUST 2 /* Australian style dst */
# define DST_WET 3 /* Western European dst */
# define DST_MET 4 /* Middle European dst */
# define DST_EET 5 /* Eastern European dst */
/*
* Operations on timevals.
*
* NB: timercmp does not work for >= or <=.
*/
# define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
# define timercmp(tvp, uvp, cmp) \
((tvp)->tv_sec cmp (uvp)->tv_sec || \
(tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec)
# define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0)
/* Names of the interval timers */
# define ITIMER_REAL 0
# define ITIMER_VIRTUAL 1
# define ITIMER_PROF 2
#endif /* _INCLUDE_HPUX_SOURCE */
#endif /* _SYS_TIME_INCLUDED */
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