Retro68/gcc/newlib/libc/sys/linux/include/time.h
Wolfgang Thaller ec13cc9ce7 fix newlib
2018-12-29 09:59:36 +01:00

247 lines
6.1 KiB
C

/*
* 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 clock (void);
double difftime (time_t _time2, time_t _time1);
time_t mktime (struct tm *_timeptr);
time_t time (time_t *_timer);
#ifndef _REENT_ONLY
char *asctime (const struct tm *_tblock);
char *ctime (const time_t *_time);
struct tm *gmtime (const time_t *_timer);
struct tm *localtime (const time_t *_timer);
#endif
size_t strftime (char *_s, size_t _maxsize, const char *_fmt, const struct tm *_t);
char *asctime_r (const struct tm *, char *);
char *ctime_r (const time_t *, char *);
struct tm *gmtime_r (const time_t *, struct tm *);
struct tm *localtime_r (const time_t *, struct tm *);
#ifndef __STRICT_ANSI__
char *strptime (const char *, const char *, struct tm *);
void tzset (void);
void _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 *__gettzinfo (void);
/* getdate functions */
#ifndef _REENT_ONLY
#define getdate_err (*__getdate_err())
int *__getdate_err (void);
struct tm * 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 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 clock_settime (clockid_t clock_id, const struct timespec *tp);
int clock_gettime (clockid_t clock_id, struct timespec *tp);
int clock_getres (clockid_t clock_id, struct timespec *res);
/* Create a Per-Process Timer, P1003.1b-1993, p. 264 */
int timer_create (clockid_t clock_id, struct sigevent *evp, timer_t *timerid);
/* Delete a Per_process Timer, P1003.1b-1993, p. 266 */
int timer_delete (timer_t timerid);
/* Per-Process Timers, P1003.1b-1993, p. 267 */
int timer_settime (timer_t timerid, int flags, const struct itimerspec *value,
struct itimerspec *ovalue);
int timer_gettime (timer_t timerid, struct itimerspec *value);
int timer_getoverrun (timer_t timerid);
/* High Resolution Sleep, P1003.1b-1993, p. 269 */
int 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 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 clock_setenable_attr (clockid_t clock_id, int attr);
int 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_ */