QProcess pipe creation on Windows uses wrong modes

hRead = CreateNamedPipe(
          pipeName,
          PIPE_ACCESS_INBOUND | FILE_FLAG_OVERLAPPED,
          dwPipeFlags,
          1,                      // only one pipe instance
          0,                      // output buffer size
          dwPipeBufferSize,       // input buffer size
          0,
          &secAtt);

hWrite = CreateFile(
          pipeName,
          GENERIC_WRITE,
          0,
          &secAtt,
          OPEN_EXISTING,
          FILE_FLAG_OVERLAPPED,
          NULL);

hRead = CreateNamedPipe(
          pipeName,
          ( isInputPipe ? PIPE_ACCESS_OUTBOUND : PIPE_ACCESS_INBOUND ) | 
            FILE_FLAG_OVERLAPPED,
          dwPipeFlags,
          1,                      // only one pipe instance
          dwPipeBufferSize,                      // output buffer size
          dwPipeBufferSize,       // input buffer size
          0,
          &secAtt);

hWrite = CreateFile(
          pipeName,
          isInputPipe ? GENERIC_READ | FILE_WRITE_ATTRIBUTES :
            GENERIC_WRITE,
          0,
          &secAtt,
          OPEN_EXISTING,
          FILE_FLAG_OVERLAPPED,
          NULL);