0,0 → 1,277 |
/* |
* time.h |
* |
* Struct and function declarations for dealing with time. |
*/ |
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#ifndef _TIME_H_ |
#define _TIME_H_ |
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#include "_ansi.h" |
#include <sys/reent.h> |
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#ifndef NULL |
#define NULL 0 |
#endif |
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/* Get _CLOCKS_PER_SEC_ */ |
#include <machine/time.h> |
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#ifndef _CLOCKS_PER_SEC_ |
#define _CLOCKS_PER_SEC_ 1000 |
#endif |
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#define CLOCKS_PER_SEC _CLOCKS_PER_SEC_ |
#define CLK_TCK CLOCKS_PER_SEC |
#define __need_size_t |
#include <stddef.h> |
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#include <sys/types.h> |
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_BEGIN_STD_C |
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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; |
}; |
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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)); |
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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 *)); |
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_END_STD_C |
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#ifdef __cplusplus |
extern "C" { |
#endif |
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#ifndef __STRICT_ANSI__ |
char *_EXFUN(strptime, (const char *, const char *, struct tm *)); |
_VOID _EXFUN(tzset, (_VOID)); |
_VOID _EXFUN(_tzset_r, (struct _reent *)); |
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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; |
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typedef struct __tzinfo_struct |
{ |
int __tznorth; |
int __tzyear; |
__tzrule_type __tzrule[2]; |
} __tzinfo_type; |
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__tzinfo_type *_EXFUN (__gettzinfo, (_VOID)); |
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/* getdate functions */ |
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#ifdef HAVE_GETDATE |
#ifndef _REENT_ONLY |
#define getdate_err (*__getdate_err()) |
int *_EXFUN(__getdate_err,(_VOID)); |
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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 */ |
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/* getdate_r returns the error code as above */ |
int _EXFUN(getdate_r, (const char *, struct tm *)); |
#endif /* HAVE_GETDATE */ |
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/* 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]; |
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/* POSIX defines the external tzname being defined in time.h */ |
#ifndef tzname |
#define tzname _tzname |
#endif |
#endif /* !__STRICT_ANSI__ */ |
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#ifdef __cplusplus |
} |
#endif |
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#include <sys/features.h> |
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#ifdef __CYGWIN__ |
#include <cygwin/time.h> |
#endif /*__CYGWIN__*/ |
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#if defined(_POSIX_TIMERS) |
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#include <signal.h> |
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#ifdef __cplusplus |
extern "C" { |
#endif |
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/* Clocks, P1003.1b-1993, p. 263 */ |
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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)); |
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/* Create a Per-Process Timer, P1003.1b-1993, p. 264 */ |
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int _EXFUN(timer_create, |
(clockid_t clock_id, struct sigevent *evp, timer_t *timerid)); |
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/* Delete a Per_process Timer, P1003.1b-1993, p. 266 */ |
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int _EXFUN(timer_delete, (timer_t timerid)); |
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/* Per-Process Timers, P1003.1b-1993, p. 267 */ |
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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)); |
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/* High Resolution Sleep, P1003.1b-1993, p. 269 */ |
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int _EXFUN(nanosleep, (const struct timespec *rqtp, struct timespec *rmtp)); |
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#ifdef __cplusplus |
} |
#endif |
#endif /* _POSIX_TIMERS */ |
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#if defined(_POSIX_CLOCK_SELECTION) |
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#ifdef __cplusplus |
extern "C" { |
#endif |
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int _EXFUN(clock_nanosleep, |
(clockid_t clock_id, int flags, const struct timespec *rqtp, |
struct timespec *rmtp)); |
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#ifdef __cplusplus |
} |
#endif |
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#endif /* _POSIX_CLOCK_SELECTION */ |
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#ifdef __cplusplus |
extern "C" { |
#endif |
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/* CPU-time Clock Attributes, P1003.4b/D8, p. 54 */ |
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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 */ |
#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 */ |
/* 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. */ |
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/* Manifest Constants, P1003.1b-1993, p. 262 */ |
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#define CLOCK_REALTIME (clockid_t)1 |
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/* Flag indicating time is "absolute" with respect to the clock |
associated with a time. */ |
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#define TIMER_ABSTIME 4 |
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/* Manifest Constants, P1003.4b/D8, p. 55 */ |
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#if defined(_POSIX_CPUTIME) |
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/* 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. */ |
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#define CLOCK_PROCESS_CPUTIME_ID (clockid_t)2 |
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#endif |
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#if defined(_POSIX_THREAD_CPUTIME) |
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/* 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. */ |
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#define CLOCK_THREAD_CPUTIME_ID (clockid_t)3 |
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#endif |
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#if defined(_POSIX_MONOTONIC_CLOCK) |
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/* The identifier for the system-wide monotonic clock, which is defined |
* as a clock whose value cannot be set via clock_settime() and which |
* cannot have backward clock jumps. */ |
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#define CLOCK_MONOTONIC (clockid_t)4 |
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#endif |
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#if defined(_POSIX_CPUTIME) |
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/* Accessing a Process CPU-time CLock, P1003.4b/D8, p. 55 */ |
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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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/* CPU-time Clock Attribute Access, P1003.4b/D8, p. 56 */ |
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int _EXFUN(clock_setenable_attr, (clockid_t clock_id, int attr)); |
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 |
} |
#endif |
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#endif /* _TIME_H_ */ |
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