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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