#include <stdio.h>
#include <unistd.h>
+#include <time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <pwd.h>
#include "putty.h"
+/*
+ * We want to use milliseconds rather than microseconds or nanoseconds,
+ * because we need a decent number of them to fit into a 32-bit
+ * word so it can be used for keepalives.
+ */
unsigned long getticks(void)
{
struct timeval tv;
+#ifdef CLOCK_MONOTONIC
+ struct timespec ts;
+ if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
+ return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
+#endif
gettimeofday(&tv, NULL);
- /*
- * We want to use milliseconds rather than microseconds,
- * because we need a decent number of them to fit into a 32-bit
- * word so it can be used for keepalives.
- */
return tv.tv_sec * 1000 + tv.tv_usec / 1000;
}