40 lines
1.6 KiB
C
40 lines
1.6 KiB
C
/* bits/timespec.h: The timespec and timeval structures. */
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#ifndef _BITS_TIMESPEC_H
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#define _BITS_TIMESPEC_H
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#include <sys/types.h>
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struct timespec
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{
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time_t tv_sec;
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long tv_nsec;
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};
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struct timeval
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{
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time_t tv_sec;
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suseconds_t tv_usec;
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};
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#endif
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#if defined(IN_MOON) || defined(_INCLUDE_TIMESPEC_MACROS)
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#ifndef _TIMESPEC_MACROS_INCLUDED
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#define _TIMESPEC_MACROS_INCLUDED
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#define timespecadd(a, b, res) \
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do { \
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(res)->tv_sec = (a)->tv_sec + (b)->tv_sec; \
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(res)->tv_nsec = (a)->tv_nsec + (b)->tv_nsec; \
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while ((res)->tv_nsec >= 1'000'000'000) \
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{ \
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(res)->tv_sec++; \
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(res)->tv_nsec -= 1'000'000'000; \
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} \
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} while (0);
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#endif
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#define TIMEVAL_TO_TIMESPEC(x) { .tv_sec = (x).tv_sec, .tv_nsec = (x).tv_usec * 1000 }
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#define TIMESPEC_TO_TIMEVAL(x) { .tv_sec = (x).tv_sec, .tv_usec = (x).tv_nsec / 1000 }
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#endif
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