-extern uint64_t utime_since(struct timeval *, struct timeval *);
-extern uint64_t utime_since_now(struct timeval *);
-extern uint64_t mtime_since(struct timeval *, struct timeval *);
-extern uint64_t mtime_since_now(struct timeval *);
-extern uint64_t time_since_now(struct timeval *);
+#include "lib/types.h"
+
+struct thread_data;
+extern uint64_t ntime_since(const struct timespec *, const struct timespec *);
+extern uint64_t utime_since(const struct timespec *, const struct timespec *);
+extern uint64_t utime_since_now(const struct timespec *);
+extern uint64_t mtime_since(const struct timespec *, const struct timespec *);
+extern uint64_t mtime_since_now(const struct timespec *);
+extern uint64_t mtime_since_tv(const struct timeval *, const struct timeval *);
+extern uint64_t time_since_now(const struct timespec *);
+extern uint64_t time_since_genesis(void);