[1] | 1 | #ifndef _SYS_TIME_H |
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| 2 | #define _SYS_TIME_H 1 |
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| 3 | |
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| 4 | #include <sys/cdefs.h> |
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| 5 | #include <sys/types.h> |
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| 6 | |
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| 7 | __BEGIN_DECLS |
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| 8 | |
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| 9 | struct timespec { |
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| 10 | time_t tv_sec; /* seconds */ |
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| 11 | long tv_nsec; /* nanoseconds */ |
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| 12 | }; |
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| 13 | |
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| 14 | #if 0 |
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| 15 | struct timeval { |
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| 16 | time_t tv_sec; /* seconds */ |
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| 17 | suseconds_t tv_usec; /* microseconds */ |
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| 18 | }; |
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| 19 | #endif |
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| 20 | struct timeval { |
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| 21 | clock_t tv_sec; /* secondes */ |
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| 22 | clock_t tv_usec; /* microsecondes */ |
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| 23 | }; |
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| 24 | |
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| 25 | struct timezone { |
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| 26 | int tz_minuteswest; /* minutes west of Greenwich */ |
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| 27 | int tz_dsttime; /* type of dst correction */ |
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| 28 | }; |
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| 29 | |
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| 30 | //#include <sys/select.h> |
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| 31 | |
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| 32 | #define ITIMER_REAL 0 |
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| 33 | #define ITIMER_VIRTUAL 1 |
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| 34 | #define ITIMER_PROF 2 |
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| 35 | |
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| 36 | struct itimerspec { |
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| 37 | struct timespec it_interval; /* timer period */ |
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| 38 | struct timespec it_value; /* timer expiration */ |
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| 39 | }; |
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| 40 | |
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| 41 | struct itimerval { |
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| 42 | struct timeval it_interval; /* timer interval */ |
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| 43 | struct timeval it_value; /* current value */ |
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| 44 | }; |
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| 45 | |
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| 46 | #if defined _GNU_SOURCE || defined _BSD_SOURCE |
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| 47 | typedef struct timezone *__timezone_ptr_t; |
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| 48 | #else |
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| 49 | typedef void *__timezone_ptr_t; |
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| 50 | #endif |
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| 51 | |
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| 52 | int getitimer(int which, struct itimerval *value) __THROW; |
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| 53 | int setitimer(int which, const struct itimerval *value, struct itimerval *ovalue) __THROW; |
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| 54 | |
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| 55 | int gettimeofday(struct timeval *tv, struct timezone *tz) __THROW; |
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| 56 | int settimeofday(const struct timeval *tv , const struct timezone *tz) __THROW; |
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| 57 | |
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| 58 | extern int adjtime (const struct timeval *delta, struct timeval *olddelta) __THROW; |
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| 59 | |
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| 60 | struct tm { |
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| 61 | int tm_sec; /* Seconds. [0-60] (1 leap second) */ |
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| 62 | int tm_min; /* Minutes. [0-59] */ |
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| 63 | int tm_hour; /* Hours. [0-23] */ |
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| 64 | int tm_mday; /* Day. [1-31] */ |
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| 65 | int tm_mon; /* Month. [0-11] */ |
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| 66 | int tm_year; /* Year - 1900. */ |
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| 67 | int tm_wday; /* Day of week. [0-6] */ |
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| 68 | int tm_yday; /* Days in year.[0-365] */ |
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| 69 | int tm_isdst; /* DST. [-1/0/1]*/ |
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| 70 | |
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| 71 | long int tm_gmtoff; /* Seconds east of UTC. */ |
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| 72 | const char *tm_zone; /* Timezone abbreviation. */ |
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| 73 | }; |
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| 74 | |
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| 75 | #ifdef _BSD_SOURCE |
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| 76 | /* another wonderful BSD invention... :( */ |
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| 77 | #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)) |
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| 78 | #define timerclear(x) ((x)->tv_sec=(x)->tv_usec=0) |
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| 79 | #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) |
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| 80 | #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) |
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| 81 | #define timerisset(x) ((x)->tv_sec || (x)->tv_usec) |
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| 82 | |
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| 83 | int utimes(const char * filename, struct timeval * tvp); |
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| 84 | #endif |
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| 85 | |
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| 86 | __END_DECLS |
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| 87 | |
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| 88 | #endif |
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