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18e15e2261
The cast to float needs to happen before the division, otherwise integer division will be performed, and as a result `CLOCKS_PER_NSEC` will always be 0 if `CLOCKS_PER_SEC` < `NSEC_PER_SEC`.
53 lines
867 B
C
53 lines
867 B
C
#include "clock.h"
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#define NSEC_PER_SEC 1000000000
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#define CLOCKS_PER_NSEC ((float)CLOCKS_PER_SEC / NSEC_PER_SEC)
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Value *clockTimeMonotonic()
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{
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return clockTimeUtc();
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}
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Value *clockTimeUtc()
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{
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return (Value *)makeBits64(time(NULL) * NSEC_PER_SEC);
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}
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Value *clockTimeProcess()
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{
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uint64_t time_ns = clock() / CLOCKS_PER_NSEC;
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return (Value *)makeBits64(time_ns);
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}
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Value *clockTimeThread()
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{
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return clockTimeProcess();
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}
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Value *clockTimeGcCpu()
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{
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return NULL;
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}
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Value *clockTimeGcReal()
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{
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return NULL;
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}
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int clockValid(Value *clock)
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{
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return clock != NULL;
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}
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uint64_t clockSecond(Value *clock)
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{
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uint64_t totalNano = ((Value_Bits64 *)clock)->ui64;
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return totalNano / NSEC_PER_SEC;
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}
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uint64_t clockNanosecond(Value *clock)
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{
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uint64_t totalNano = ((Value_Bits64 *)clock)->ui64;
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return totalNano % NSEC_PER_SEC;
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}
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