Merge "DrmManager: check drm.service.enabled in init (2nd attempt)" into sc-dev am: 01ddb68c

service drm /system/bin/drmserver

    disabled

    class main

    user drm

    group drm system inet drmrpc readproc

    writepid /dev/cpuset/foreground/tasks

on property:drm.service.enabled=true

    start drm

on property:drm.service.enabled=1

    start drm

const sp<IDrmManagerService>& DrmManagerClientImpl::getDrmManagerService() {

    Mutex::Autolock lock(sMutex);

    if (NULL == sDrmManagerService.get()) {

        char value[PROPERTY_VALUE_MAX];

        if (property_get("drm.service.enabled", value, NULL) == 0) {

            // Drm is undefined for this device

        sp<IServiceManager> sm = defaultServiceManager();

        sp<IBinder> binder = sm->getService(String16("drm.drmManager"));

        if (binder == NULL) {

            // Do NOT retry; IServiceManager already waits for ~5 seconds

            // in getService if a service doesn't yet exist.

            return sDrmManagerService;

        }

        sp<IServiceManager> sm = defaultServiceManager();

        sp<IBinder> binder;

        do {

            binder = sm->getService(String16("drm.drmManager"));

            if (binder != 0) {

                break;

            }

            ALOGW("DrmManagerService not published, waiting...");

            struct timespec reqt;

            reqt.tv_sec  = 0;

            reqt.tv_nsec = 500000000; //0.5 sec

            nanosleep(&reqt, NULL);

        } while (true);

        if (NULL == sDeathNotifier.get()) {

            sDeathNotifier = new DeathNotifier();

        }