C++ (Cpp) autoSerializer Exemples

Exemple #1

Fichier : NuCachedSource2.cpp Projet : richardxu/panda-a4

ssize_t NuCachedSource2::readAt(off64_t offset, void *data, size_t size) {
    Mutex::Autolock autoSerializer(mSerializer);

    ALOGV("readAt offset %lld, size %d", offset, size);

    Mutex::Autolock autoLock(mLock);

    // If the request can be completely satisfied from the cache, do so.

    if (offset >= mCacheOffset
            && offset + size <= mCacheOffset + mCache->totalSize()) {
        size_t delta = offset - mCacheOffset;
        mCache->copy(delta, data, size);

#ifdef OMAP_ENHANCEMENT
        if(offset < mLastAccessPos) {
            mMinAccessPos = offset;
        }
        if(offset + size > mMaxAccessPos) {
            mMaxAccessPos = offset + size;
        }
        mLastAccessPos = offset;
#else
        mLastAccessPos = offset + size;
#endif

        return size;
    }

    sp<AMessage> msg = new AMessage(kWhatRead, mReflector->id());
    msg->setInt64("offset", offset);
    msg->setPointer("data", data);
    msg->setSize("size", size);

    CHECK(mAsyncResult == NULL);
    msg->post();

    while (mAsyncResult == NULL) {
        mCondition.wait(mLock);
    }

    int32_t result;
    CHECK(mAsyncResult->findInt32("result", &result));

    mAsyncResult.clear();

    if (result > 0) {
        mLastAccessPos = offset + result;
#ifdef OMAP_ENHANCEMENT
        mMinAccessPos = offset + result;
        mMaxAccessPos = offset + result;
#endif
    }

    return (ssize_t)result;
}

Exemple #2

Fichier : NuCachedSource2.cpp Projet : XperiaZProject/frameworks_av

ssize_t NuCachedSource2::readAt(off64_t offset, void *data, size_t size) {
    Mutex::Autolock autoSerializer(mSerializer);

    ALOGV("readAt offset %lld, size %zu", offset, size);

    Mutex::Autolock autoLock(mLock);
    if (mDisconnecting) {
        return ERROR_END_OF_STREAM;
    }

    // If the request can be completely satisfied from the cache, do so.

    if (offset >= mCacheOffset
            && offset + size <= mCacheOffset + mCache->totalSize()) {
        size_t delta = offset - mCacheOffset;
        mCache->copy(delta, data, size);

        mLastAccessPos = offset + size;

        return size;
    }

    sp<AMessage> msg = new AMessage(kWhatRead, mReflector->id());
    msg->setInt64("offset", offset);
    msg->setPointer("data", data);
    msg->setSize("size", size);

    CHECK(mAsyncResult == NULL);
    msg->post();

    while (mAsyncResult == NULL && !mDisconnecting) {
        mCondition.wait(mLock);
    }

    if (mDisconnecting) {
        mAsyncResult.clear();
        return ERROR_END_OF_STREAM;
    }

    int32_t result;
    CHECK(mAsyncResult->findInt32("result", &result));

    mAsyncResult.clear();

    if (result > 0) {
        mLastAccessPos = offset + result;
    }

    return (ssize_t)result;
}

Exemple #3

Fichier : ChromiumHTTPDataSource.cpp Projet : bizcuite/android_frameworks_base

status_t ChromiumHTTPDataSource::connect(
        const char *uri,
        const KeyedVector<String8, String8> *headers,
        off64_t offset) {
    Mutex::Autolock autoSerializer(mSerializer);
    Mutex::Autolock autoLock(mLock);

    uid_t uid;
    if (getUID(&uid)) {
        mDelegate->setUID(uid);
    }
    LOG_PRI(ANDROID_LOG_VERBOSE, LOG_TAG, "connect on behalf of uid %d", uid);

    return connect_l(uri, headers, offset);
}

Exemple #4

Fichier : ChromiumHTTPDataSource.cpp Projet : bizcuite/android_frameworks_base

void ChromiumHTTPDataSource::disconnect() {
    Mutex::Autolock autoSerializer(mSerializer);
    Mutex::Autolock autoLock(mLock);
    disconnect_l();
}