Merge "Remove no longer needed EventHub usleep() optimization."

        mPendingEventCount(0), mPendingEventIndex(0), mPendingINotify(false) {

    acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID);

    mNumCpus = sysconf(_SC_NPROCESSORS_ONLN);

    mEpollFd = epoll_create(EPOLL_SIZE_HINT);

    LOG_ALWAYS_FATAL_IF(mEpollFd < 0, "Could not create epoll instance.  errno=%d", errno);

        } else {

            // Some events occurred.

            mPendingEventCount = size_t(pollResult);

            // On an SMP system, it is possible for the framework to read input events

            // faster than the kernel input device driver can produce a complete packet.

            // Because poll() wakes up as soon as the first input event becomes available,

            // the framework will often end up reading one event at a time until the

            // packet is complete.  Instead of one call to read() returning 71 events,

            // it could take 71 calls to read() each returning 1 event.

            //

            // Sleep for a short period of time after waking up from the poll() to give

            // the kernel time to finish writing the entire packet of input events.

            if (mNumCpus > 1) {

                usleep(250);

            }

        }

    }

    size_t mPendingEventCount;

    size_t mPendingEventIndex;

    bool mPendingINotify;

    // Set to the number of CPUs.

    int32_t mNumCpus;

};

}; // namespace android