diff options
Diffstat (limited to 'services')
| -rw-r--r-- | services/sensorservice/SensorService.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp index 7bb6e86..cb99531 100644 --- a/services/sensorservice/SensorService.cpp +++ b/services/sensorservice/SensorService.cpp @@ -292,8 +292,12 @@ bool SensorService::threadLoop() { ALOGD("nuSensorService thread starting..."); - const size_t numEventMax = 16; - const size_t minBufferSize = numEventMax + numEventMax * mVirtualSensorList.size(); + // each virtual sensor could generate an event per "real" event, that's why we need + // to size numEventMax much smaller than MAX_RECEIVE_BUFFER_EVENT_COUNT. + // in practice, this is too aggressive, but guaranteed to be enough. + const size_t minBufferSize = SensorEventQueue::MAX_RECEIVE_BUFFER_EVENT_COUNT; + const size_t numEventMax = minBufferSize / (1 + mVirtualSensorList.size()); + sensors_event_t buffer[minBufferSize]; sensors_event_t scratch[minBufferSize]; SensorDevice& device(SensorDevice::getInstance()); |