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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1254 | giacomo | 1 | #ifndef __TIME_H__ |
| 2 | #define __TIME_H__ |
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| 3 | |||
| 4 | #define TIMESPEC2NANOSEC(t) ((t)->tv_sec * 1000000000 + (t)->tv_nsec) |
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| 5 | #define TIMESPEC2USEC(t) ((t)->tv_sec * 1000000 + (t)->tv_nsec / 1000) |
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| 6 | #define NULL_TIMESPEC(t) ((t)->tv_sec = (t)->tv_nsec = 0) |
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| 7 | #define ADDNANO2TIMESPEC(n, t) ((t)->tv_nsec += (n), \ |
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| 8 | (t)->tv_sec += (t)->tv_nsec / 1000000000, \ |
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| 9 | (t)->tv_nsec %= 1000000000) |
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| 10 | |||
| 11 | #define SUBTIMESPEC(s1, s2, d) \ |
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| 12 | ((d)->tv_nsec = ((s1)->tv_nsec >= (s2)->tv_nsec) ? \ |
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| 13 | (((d)->tv_sec = (s1)->tv_sec - (s2)->tv_sec), \ |
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| 14 | (s1)->tv_nsec - (s2)->tv_nsec) \ |
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| 15 | : \ |
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| 16 | (((d)->tv_sec = (s1)->tv_sec - (s2)->tv_sec - 1), \ |
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| 17 | (1000000000 + (s1)->tv_nsec - (s2)->tv_nsec))) |
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| 18 | |||
| 19 | /* |
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| 20 | * ...and these not! |
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| 21 | */ |
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| 22 | |||
| 23 | extern __inline__ void ADDTIMESPEC(const struct timespec *s1, |
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| 24 | const struct timespec *s2, |
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| 25 | struct timespec *d) |
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| 26 | { |
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| 27 | d->tv_sec = s1->tv_sec + s2->tv_sec; |
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| 28 | d->tv_nsec = s1->tv_nsec + s2->tv_nsec; |
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| 29 | |||
| 30 | if (d->tv_nsec < 0) { |
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| 31 | d->tv_sec--; |
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| 32 | d->tv_nsec += 1000000000; |
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| 33 | } else if (d->tv_nsec >= 1000000000) { |
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| 34 | d->tv_sec++; |
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| 35 | d->tv_nsec -= 1000000000; |
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| 36 | } |
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| 37 | } |
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| 38 | |||
| 39 | |||
| 40 | #define ADDUSEC2TIMESPEC(m, t) ((t)->tv_nsec += (m%1000000)*1000, \ |
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| 41 | (t)->tv_sec += ((t)->tv_nsec / 1000000000) + (m/1000000), \ |
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| 42 | (t)->tv_nsec %= 1000000000) |
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| 43 | |||
| 44 | #define TIMESPEC_A_LT_B(a,b) \ |
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| 45 | ( \ |
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| 46 | ((a)->tv_sec < (b)->tv_sec) || \ |
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| 47 | ((a)->tv_sec == (b)->tv_sec && (a)->tv_nsec < (b)->tv_nsec) \ |
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| 48 | ) |
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| 49 | |||
| 50 | #define TIMESPEC_A_GT_B(a,b) \ |
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| 51 | ( \ |
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| 52 | ((a)->tv_sec > (b)->tv_sec) || \ |
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| 53 | ((a)->tv_sec == (b)->tv_sec && (a)->tv_nsec > (b)->tv_nsec) \ |
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| 54 | ) |
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| 55 | |||
| 56 | #define TIMESPEC_A_EQ_B(a,b) \ |
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| 57 | ((a)->tv_sec == (b)->tv_sec && (a)->tv_nsec == (b)->tv_nsec) |
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| 58 | |||
| 59 | #define TIMESPEC_A_NEQ_B(a,b) \ |
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| 60 | ((a)->tv_sec != (b)->tv_sec || (a)->tv_nsec != (b)->tv_nsec) |
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| 61 | |||
| 62 | #define TIMESPEC_ASSIGN(t1,t2) \ |
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| 63 | ((t1)->tv_sec = (t2)->tv_sec, (t1)->tv_nsec = (t2)->tv_nsec) |
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| 64 | |||
| 65 | #endif |