* Copyright (C) 2006 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008 by Spencer Oliver *
# endif
#endif
-extern int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y);
-extern int timeval_add(struct timeval *result, struct timeval *x, struct timeval *y);
-extern int timeval_add_time(struct timeval *result, int sec, int usec);
-/* gettimeofday() timeval in 64 bit ms */
-extern long long timeval_ms(void);
+int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y);
+int timeval_add_time(struct timeval *result, long sec, long usec);
-typedef struct duration_s
+/// @returns gettimeofday() timeval as 64-bit in ms
+int64_t timeval_ms(void);
+
+struct duration
{
struct timeval start;
- struct timeval duration;
-} duration_t;
+ struct timeval elapsed;
+};
+
+/// Update the duration->start field to start the @a duration measurement.
+int duration_start(struct duration *duration);
+/// Update the duration->elapsed field to finish the @a duration measurment.
+int duration_measure(struct duration *duration);
-extern void duration_start_measure(duration_t *duration);
-extern int duration_stop_measure(duration_t *duration, char **text);
+/// @returns Elapsed time in seconds.
+float duration_elapsed(struct duration *duration);
+/// @returns KB/sec for the elapsed @a duration and @a count bytes.
+float duration_kbps(struct duration *duration, size_t count);
#endif /* TIME_SUPPORT_H */