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