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#ifndef _SYS_TIME_H
#define _SYS_TIME_H 1
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
struct timespec {
time_t tv_sec; /* seconds */
#if defined(__x86_64__) && defined(__ILP32__)
/* x32 needs these 64 bits wide */
int64_t tv_nsec;
#else
/* all other architectures use native sizes */
long tv_nsec; /* nanoseconds */
#endif
};
struct timeval {
time_t tv_sec; /* seconds */
suseconds_t tv_usec; /* microseconds */
};
struct timezone {
int tz_minuteswest; /* minutes west of Greenwich */
int tz_dsttime; /* type of dst correction */
};
#include <sys/select.h>
#define ITIMER_REAL 0
#define ITIMER_VIRTUAL 1
#define ITIMER_PROF 2
struct itimerspec {
struct timespec it_interval; /* timer period */
struct timespec it_value; /* timer expiration */
};
struct itimerval {
struct timeval it_interval; /* timer interval */
struct timeval it_value; /* current value */
};
#if defined _GNU_SOURCE || defined _BSD_SOURCE
typedef struct timezone *__timezone_ptr_t;
#else
typedef void *__timezone_ptr_t;
#endif
int getitimer(int which, struct itimerval *value) __THROW;
int setitimer(int which, const struct itimerval *value, struct itimerval *ovalue) __THROW;
int gettimeofday(struct timeval *tv, struct timezone *tz) __THROW;
int settimeofday(const struct timeval *tv , const struct timezone *tz) __THROW;
extern int adjtime (const struct timeval *delta, struct timeval *olddelta) __THROW;
struct tm {
int tm_sec; /* Seconds. [0-60] (1 leap second) */
int tm_min; /* Minutes. [0-59] */
int tm_hour; /* Hours. [0-23] */
int tm_mday; /* Day. [1-31] */
int tm_mon; /* Month. [0-11] */
int tm_year; /* Year - 1900. */
int tm_wday; /* Day of week. [0-6] */
int tm_yday; /* Days in year.[0-365] */
int tm_isdst; /* DST. [-1/0/1]*/
long int tm_gmtoff; /* Seconds east of UTC. */
const char *tm_zone; /* Timezone abbreviation. */
};
#ifdef _BSD_SOURCE
/* another wonderful BSD invention... :( */
#define timercmp(a,b,CMP) (((a)->tv_sec == (b)->tv_sec) ? ((a)->tv_usec CMP (b)->tv_usec) : ((a)->tv_sec CMP (b)->tv_sec))
#define timerclear(x) ((x)->tv_sec=(x)->tv_usec=0)
#define timeradd(a,b,x) do { (x)->tv_sec=(a)->tv_sec+(b)->tv_sec; if (((x)->tv_usec=(a)->tv_usec+(b)->tv_usec)>=1000000) { ++(x)->tv_sec; (x)->tv_usec-=1000000; } } while (0)
#define timersub(a,b,x) do { (x)->tv_sec=(a)->tv_sec-(b)->tv_sec; if (((x)->tv_usec=(a)->tv_usec-(b)->tv_usec)<0) { --(x)->tv_sec; (x)->tv_usec+=1000000; } } while (0)
#define timerisset(x) ((x)->tv_sec || (x)->tv_usec)
#endif
int utimes(const char * filename, struct timeval * tvp) __THROW;
__END_DECLS
#endif
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