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| author | Jeff Brown <jeffbrown@google.com> | 2011-03-17 01:34:19 -0700 |
|---|---|---|
| committer | Jeff Brown <jeffbrown@google.com> | 2011-03-17 17:29:09 -0700 |
| commit | aa3855d5836d2a2d83baafdf6e40caf90d3dad1c (patch) | |
| tree | 5f19b7bd1c42abf7e145637ed3459cf377fa94b9 /include/utils | |
| parent | 843e29d3751017267b96565c543df0301c31a9f7 (diff) | |
| download | frameworks_base-aa3855d5836d2a2d83baafdf6e40caf90d3dad1c.zip frameworks_base-aa3855d5836d2a2d83baafdf6e40caf90d3dad1c.tar.gz frameworks_base-aa3855d5836d2a2d83baafdf6e40caf90d3dad1c.tar.bz2 | |
Refactor how timeouts are calculated.
Added a timeout mechanism to EventHub and InputReader so that
InputMappers can request timeouts to perform delayed processing of
input when needed.
Change-Id: Iec2045baaf4e67690b15eef3c09a58d5cac76897
Diffstat (limited to 'include/utils')
| -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 |