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Commit bb9ba8ba authored by Mathias Agopian's avatar Mathias Agopian
Browse files

BitTube::read now handles EAGAIN 

Change-Id: Iacda2386342ba0727bbf278f6c597488d5467bb8
parent 3f15700a

core/jni/android_hardware_SensorManager.cpp

+1 −1
Original line number Diff line number Diff line
@@ -126,7 +126,7 @@ sensors_data_poll(JNIEnv *env, jclass clazz, jint nativeQueue, 
    ASensorEvent event;



    res = queue->read(&event, 1);

    if (res == -EAGAIN) {

    if (res == 0) {

        res = queue->waitForEvent();

        if (res != NO_ERROR)

            return -1;

libs/gui/BitTube.cpp

+5 −0
Original line number Diff line number Diff line
@@ -97,6 +97,11 @@ ssize_t BitTube::read(void* vaddr, size_t size) 
        len = ::read(mReceiveFd, vaddr, size);

        err = len < 0 ? errno : 0;

    } while (err == EINTR);

    if (err == EAGAIN || err == EWOULDBLOCK) {

        // EAGAIN means that we have non-blocking I/O but there was

        // no data to be read. Nothing the client should care about.

        return 0;

    }

    return err == 0 ? len : -err;

}