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51 lines
919 B
C
51 lines
919 B
C
/* timing.c
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** - Timing functions
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*/
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#include <stdlib.h>
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#include <sys/types.h>
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#ifdef HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#ifdef _WIN32
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#include <windows.h>
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#include <mmsystem.h>
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#else
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#include <sys/time.h>
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#include <unistd.h>
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#endif
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#include "timing.h"
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/*
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* Returns milliseconds no matter what.
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*/
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uint64_t timing_get_time(void)
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{
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#ifdef _WIN32
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return timeGetTime();
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#else
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struct timeval mtv;
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gettimeofday(&mtv, NULL);
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return (uint64_t)(mtv.tv_sec) * 1000 + (uint64_t)(mtv.tv_usec) / 1000;
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#endif
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}
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void timing_sleep(uint64_t sleeptime)
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{
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struct timeval sleeper;
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sleeper.tv_sec = sleeptime / 1000;
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sleeper.tv_usec = (sleeptime % 1000) * 1000;
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/* NOTE:
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* This should be 0 for the first argument. The linux manpage
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* says so. The solaris manpage also says this is a legal
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* value. If you think differerntly, please provide references.
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*/
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select(0, NULL, NULL, NULL, &sleeper);
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}
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