diff options
Diffstat (limited to 'include/utils/Timers.h')
| -rw-r--r-- | include/utils/Timers.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/utils/Timers.h b/include/utils/Timers.h index 9a9e07c..8b4d322 100644 --- a/include/utils/Timers.h +++ b/include/utils/Timers.h @@ -88,6 +88,16 @@ nsecs_t systemTime(int clock = SYSTEM_TIME_MONOTONIC); nsecs_t systemTime(int clock); #endif // def __cplusplus +/** + * Returns the number of milliseconds to wait between the reference time and the timeout time. + * If the timeout is in the past relative to the reference time, returns 0. + * If the timeout is more than INT_MAX milliseconds in the future relative to the reference time, + * such as when timeoutTime == LLONG_MAX, returns -1 to indicate an infinite timeout delay. + * Otherwise, returns the difference between the reference time and timeout time + * rounded up to the next millisecond. + */ +int toMillisecondTimeoutDelay(nsecs_t referenceTime, nsecs_t timeoutTime); + #ifdef __cplusplus } // extern "C" #endif |