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34 lines
904 B
C
34 lines
904 B
C
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/*
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* Implement getticks() for Unix.
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*/
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#include <time.h>
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#include <sys/time.h>
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#include "putty.h"
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unsigned long getticks(void)
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{
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/*
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* We want to use milliseconds rather than the microseconds or
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* nanoseconds given by the underlying clock functions, because we
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* need a decent number of them to fit into a 32-bit word so it
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* can be used for keepalives.
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*/
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#if HAVE_CLOCK_GETTIME && HAVE_CLOCK_MONOTONIC
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{
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/* Use CLOCK_MONOTONIC if available, so as to be unconfused if
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* the system clock changes. */
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struct timespec ts;
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if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
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return ts.tv_sec * TICKSPERSEC +
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ts.tv_nsec / (1000000000 / TICKSPERSEC);
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}
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#endif
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{
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return tv.tv_sec * TICKSPERSEC + tv.tv_usec / (1000000 / TICKSPERSEC);
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}
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}
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