Method init

KittyMemoryEx/KittyMemOp.cpp:73–93

    {
        size_t requestSize = len;

        if (state == KTTransferState::Page)
            requestSize = std::min(KT_PAGE_REMAIN(address), len);

        ssize_t sn = static_cast<ssize_t>(operation(address, buffer, requestSize));
        if (sn < 0)
        {
            switch (sn)
            {
            case -ESRCH:  // process exited
            case -EBADF:  // invalid fd
            case -EPERM:  // permission lost
            case -EINVAL: // invalid arguments
                return total;
            default:
                break;
            }
        }

        size_t n = sn < 0 ? 0 : static_cast<size_t>(sn);

        if (n > 0)
        {
            total += n;