Exemplos de SHMEM_ASSERT em C++ (Cpp)

Exemplo n.º 1

Arquivo: shmemBase.c Projeto: fatman2021/myforthprocessor

static jint
receiveBytes(SharedMemoryConnection *connection, void *bytes, jint length)
{
    Stream *stream = &connection->incoming;
    SharedStream *shared = stream->shared;
    jint fragmentStart;
    jint fragmentLength;
    jint index = 0;
    jint maxLength;

    CHECK_ERROR(enterMutex(stream, connection->shutdown));
    while (index < length) {
        CHECK_ERROR(waitForData(connection, stream));
        SHMEM_ASSERT(!EMPTY(stream));

        fragmentStart = shared->readOffset;
        if (fragmentStart < shared->writeOffset) {
            maxLength = shared->writeOffset - fragmentStart;
        } else {
            maxLength = SHARED_BUFFER_SIZE - fragmentStart;
        }
        fragmentLength = MIN(maxLength, length - index);
        memcpy((jbyte *)bytes + index, shared->buffer + fragmentStart, fragmentLength);
        shared->readOffset = ADD_OFFSET(fragmentStart, fragmentLength);
        index += fragmentLength;

        shared->isFull = JNI_FALSE;

        STREAM_INVARIANT(stream);
        CHECK_ERROR(signalSpace(stream));
    }
    CHECK_ERROR(leaveMutex(stream));

    return SYS_OK;
}

Exemplo n.º 2

Arquivo: shmemBase.c Projeto: fatman2021/myforthprocessor

jint 
shmemBase_sendByte(SharedMemoryConnection *connection, jbyte data)
{
    Stream *stream = &connection->outgoing;
    SharedStream *shared = stream->shared;
    int offset;

    CHECK_ERROR(enterMutex(stream, connection->shutdown));
    CHECK_ERROR(waitForSpace(connection, stream));
    SHMEM_ASSERT(!FULL(stream));
    offset = shared->writeOffset;
    shared->buffer[offset] = data;
    shared->writeOffset = ADD_OFFSET(offset, 1);
    shared->isFull = (shared->readOffset == shared->writeOffset);

    STREAM_INVARIANT(stream);
    CHECK_ERROR(leaveMutex(stream));

    CHECK_ERROR(signalData(stream));

    return SYS_OK;
}

Exemplo n.º 3

Arquivo: shmemBase.c Projeto: fatman2021/myforthprocessor

jint 
shmemBase_receiveByte(SharedMemoryConnection *connection, jbyte *data)
{
    Stream *stream = &connection->incoming;
    SharedStream *shared = stream->shared;
    int offset;

    CHECK_ERROR(enterMutex(stream, connection->shutdown));
    CHECK_ERROR(waitForData(connection, stream));
    SHMEM_ASSERT(!EMPTY(stream));
    offset = shared->readOffset;
    *data = shared->buffer[offset];
    shared->readOffset = ADD_OFFSET(offset, 1);
    shared->isFull = JNI_FALSE;

    STREAM_INVARIANT(stream);
    CHECK_ERROR(leaveMutex(stream));

    CHECK_ERROR(signalSpace(stream));

    return SYS_OK;
}

Exemplo n.º 4

Arquivo: shmemBase.c Projeto: michalwarecki/ManagedRuntimeInitiative

static jint
sendBytes(SharedMemoryConnection *connection, const void *bytes, jint length)
{
    Stream *stream = &connection->outgoing;
    SharedStream *shared = stream->shared;
    jint fragmentStart;
    jint fragmentLength;
    jint index = 0;
    jint maxLength;

    clearLastError();

    CHECK_ERROR(enterMutex(stream, connection->shutdown));
    while (index < length) {
        CHECK_ERROR(waitForSpace(connection, stream));
        SHMEM_ASSERT(!FULL(stream));

        fragmentStart = shared->writeOffset;

        if (fragmentStart < shared->readOffset) {
            maxLength = shared->readOffset - fragmentStart;
        } else {
            maxLength = SHARED_BUFFER_SIZE - fragmentStart;
        }
        fragmentLength = MIN(maxLength, length - index);
        memcpy(shared->buffer + fragmentStart, (jbyte *)bytes + index, fragmentLength);
        shared->writeOffset = ADD_OFFSET(fragmentStart, fragmentLength);
        index += fragmentLength;

        shared->isFull = (shared->readOffset == shared->writeOffset);

        STREAM_INVARIANT(stream);
        CHECK_ERROR(signalData(stream));

    }
    CHECK_ERROR(leaveMutex(stream));

    return SYS_OK;
}