usec_t now(clockid_t clock);
dual_timestamp* dual_timestamp_get(dual_timestamp *ts);
dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u);
dual_timestamp* dual_timestamp_from_monotonic(dual_timestamp *ts, usec_t u);
usec_t now(clockid_t clock);
dual_timestamp* dual_timestamp_get(dual_timestamp *ts);
dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u);
dual_timestamp* dual_timestamp_from_monotonic(dual_timestamp *ts, usec_t u);
-#define dual_timestamp_is_set(ts) ((ts)->realtime > 0)
+static inline bool dual_timestamp_is_set(dual_timestamp *ts) {
+ return ((ts->realtime > 0 && ts->realtime != (usec_t) -1) ||
+ (ts->monotonic > 0 && ts->monotonic != (usec_t) -1));
+}
struct timeval *timeval_store(struct timeval *tv, usec_t u);
char *format_timestamp(char *buf, size_t l, usec_t t);
struct timeval *timeval_store(struct timeval *tv, usec_t u);
char *format_timestamp(char *buf, size_t l, usec_t t);
-char *format_timespan(char *buf, size_t l, usec_t t);
+char *format_timespan(char *buf, size_t l, usec_t t, usec_t accuracy);
void dual_timestamp_serialize(FILE *f, const char *name, dual_timestamp *t);
void dual_timestamp_deserialize(const char *value, dual_timestamp *t);
int parse_timestamp(const char *t, usec_t *usec);
void dual_timestamp_serialize(FILE *f, const char *name, dual_timestamp *t);
void dual_timestamp_deserialize(const char *value, dual_timestamp *t);
int parse_timestamp(const char *t, usec_t *usec);