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https://github.com/RGBCube/serenity
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43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
#pragma once
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#include <sys/cdefs.h>
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#include <sys/types.h>
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__BEGIN_DECLS
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#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
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#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
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#define timercmp(tvp, uvp, cmp) \
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(((tvp)->tv_sec == (uvp)->tv_sec) ? ((tvp)->tv_usec cmp(uvp)->tv_usec) : ((tvp)->tv_sec cmp(uvp)->tv_sec))
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#define timeradd(a, b, out) \
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do { \
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(out)->tv_sec = (a)->tv_sec + (b)->tv_sec; \
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(out)->tv_usec = (a)->tv_usec + (b)->tv_usec; \
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if ((out)->tv_usec >= 1000000) { \
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(out)->tv_sec++; \
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(out)->tv_usec -= 1000000; \
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} \
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} while (0)
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#define timersub(a, b, out) \
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do { \
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(out)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
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(out)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
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if ((out)->tv_usec < 0) { \
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(out)->tv_sec--; \
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(out)->tv_usec += 1000000; \
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} \
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} while (0)
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struct timeval {
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time_t tv_sec;
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suseconds_t tv_usec;
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};
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struct timezone {
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int tz_minuteswest;
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int tz_dsttime;
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};
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int gettimeofday(struct timeval* __restrict__, void* __restrict__) __attribute__((nonnull(1)));
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__END_DECLS
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