55 lines
989 B
C
55 lines
989 B
C
#include <sys/time.h>
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#include <math.h>
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#include <poll.h>
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#include <setjmp.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "scheme.h"
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double tv2float(struct timeval *tv)
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{
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return (double)tv->tv_sec + (double)tv->tv_usec / 1.0e6;
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}
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double diff_time(struct timeval *tv1, struct timeval *tv2)
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{
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return tv2float(tv1) - tv2float(tv2);
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}
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uint64_t i64time(void)
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{
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uint64_t a;
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struct timeval now;
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gettimeofday(&now, NULL);
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a = (((uint64_t)now.tv_sec) << 32) + (uint64_t)now.tv_usec;
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return a;
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}
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void sleep_ms(int ms)
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{
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struct timeval timeout;
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if (ms == 0) {
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return;
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}
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timeout.tv_sec = ms / 1000;
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timeout.tv_usec = (ms % 1000) * 1000;
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select(0, NULL, NULL, NULL, &timeout);
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}
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void timeparts(int32_t *buf, double t)
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{
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struct tm tm;
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time_t tme = (time_t)t;
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localtime_r(&tme, &tm);
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tm.tm_year += 1900;
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memcpy(buf, (char *)&tm, sizeof(struct tm));
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}
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