47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
#include_next <sys/time.h>
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#ifndef _COMPAT_SYS_TIME_H_
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#define _COMPAT_SYS_TIME_H_
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#include <time.h>
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#ifndef TIMEVAL_TO_TIMESPEC
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#define TIMEVAL_TO_TIMESPEC(tv, ts) { \
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(ts)->tv_sec = (tv)->tv_sec; \
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(ts)->tv_nsec = (tv)->tv_usec * 1000; \
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}
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#endif
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#ifndef TIMESPEC_TO_TIMEVAL
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#define TIMESPEC_TO_TIMEVAL(tv, ts) { \
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(tv)->tv_sec = (ts)->tv_sec; \
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(tv)->tv_usec = (ts)->tv_nsec / 1000; \
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}
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#endif
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#define timespecclear(tsp) (tsp)->tv_sec = (tsp)->tv_nsec = 0
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#define timespecisset(tsp) ((tsp)->tv_sec || (tsp)->tv_nsec)
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#define timespeccmp(tsp, usp, cmp) \
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(((tsp)->tv_sec == (usp)->tv_sec) ? \
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((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
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((tsp)->tv_sec cmp (usp)->tv_sec))
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#define timespecadd(tsp, usp, vsp) \
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do { \
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(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
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(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
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if ((vsp)->tv_nsec >= 1000000000L) { \
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(vsp)->tv_sec++; \
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(vsp)->tv_nsec -= 1000000000L; \
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} \
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} while (0)
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#define timespecsub(tsp, usp, vsp) \
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do { \
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(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
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(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
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if ((vsp)->tv_nsec < 0) { \
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(vsp)->tv_sec--; \
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(vsp)->tv_nsec += 1000000000L; \
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} \
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} while (0)
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#endif /* _COMPAT_SYS_TIME_H_ */
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