diff options
Diffstat (limited to 'include/ui/Fence.h')
| -rw-r--r-- | include/ui/Fence.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/ui/Fence.h b/include/ui/Fence.h index 1df15f897c..99b39d8423 100644 --- a/include/ui/Fence.h +++ b/include/ui/Fence.h @@ -42,6 +42,11 @@ class Fence { public: static const sp<Fence> NO_FENCE; + static constexpr nsecs_t SIGNAL_TIME_PENDING = INT64_MAX; + static constexpr nsecs_t SIGNAL_TIME_INVALID = -1; + static inline bool isValidTimestamp(nsecs_t time) { + return time >= 0 && time < INT64_MAX; + } // TIMEOUT_NEVER may be passed to the wait method to indicate that it // should wait indefinitely for the fence to signal. @@ -94,8 +99,8 @@ public: // getSignalTime returns the system monotonic clock time at which the // fence transitioned to the signaled state. If the fence is not signaled - // then INT64_MAX is returned. If the fence is invalid or if an error - // occurs then -1 is returned. + // then SIGNAL_TIME_PENDING is returned. If the fence is invalid or if an + // error occurs then SIGNAL_TIME_INVALID is returned. nsecs_t getSignalTime() const; #if __cplusplus > 201103L |