On Tue, 2010-05-11 at 19:37 +0000, pub wrote:
> int pipefd2[2]; /* Read pipe from child */
>
> Glib::RefPtr<Glib::IOChannel> readChannel;
>
>
> //Instantiate
> Playback playback;
>
> // Connect the signal handler
> Glib::signal_io().connect(sigc::mem_fun(playback,
> &Playback::readpipe), pipefd2[r], Glib::IO_IN);
>
> // Create a writeChannel from the file descriptor
> writeChannel = Glib::IOChannel::create_from_fd(pipefd1[w]);
>
> // Create a readChannel from the file descriptor
> readChannel = Glib::IOChannel::create_from_fd(pipefd2[r]);
>
> app.run(playback);
>
>
> // Read From Pipe
> bool Playback::readpipe(Glib::IOCondition read_condition)
> {
> static int linecount; // Total lines expected
> static int count; // Count of lines received
>
>
>
> if ((read_condition & Glib::IO_IN) == 0)
> {
> std::cerr << "Exxx: Invalid read response" << std::endl;
> }
> else
> {
> #ifdef GLIBMM_EXCEPTIONS_ENABLED
> readChannel->read_line(readbuffer);
> #else
> std::auto_ptr<Glib::Error> ex;
> readChannel->read_line(readbuffer, ex);
> if(ex.get())
> std::cerr << "Exxx: " << ex->what() << std::endl;
> #endif //GLIBMM_EXCEPTIONS_ENABLED
>
> /* Append message read from pipe to textbuffer */
> m_msg->insert(m_msg->end(), readbuffer);
> }
> return true;
> } //End of readpipe()
My suggestion would be to try running the code through a debugger. I
find this a lot easier than guessing at what is happening (unless
something is blatantly clear from a quick look at the code). Perhaps
others can more quickly see the problem than I can right now.
--
José
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