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From: Jean-Philippe Andriot <andriot@6WIND.com>
To: Ken Nagorski <rocket@refriedgeeks.com>
Cc: linux-c-programming@vger.kernel.org
Subject: Re: !! SPAM Suspect : SPAM-URL-DBL !!  working with threads
Date: Thu, 02 Feb 2006 15:59:58 +0100	[thread overview]
Message-ID: <43E21E6E.4040007@6WIND.com> (raw)
In-Reply-To: <43E028A5.2040406@refriedgeeks.com>

Hi

I think your use of 'wait' is invalid here

JP


Ken Nagorski wrote:
> Hi there,
> 
> I have created a small IM client that talks to an IM server that I wrote 
> in java. It doesn't have a problem sending data however I am using a 
> pthread to call a listener function. It works OK but when I click back 
> on the program say to type some other text it just crashes. I have been 
> teaching myself C but I am having a problem understanding how to pass 
> control back to the main thread. That isn't a problem in java.
> 
> forgive me if I am not even asking this right cause like I said. I am 
> teaching this to myself as my school doesn't offer C.
> 
> below is the code maybe someone will be able to point me in the right 
> direction.
> 
> how the thread is created.
> when the user clicks connect and if there is a successful sockfd 
> created... I call this
> listner_thread_id = pthread_create( &listner_thread, NULL, 
> message_listner, (void *)data_to_be_sent);
> 
> The message listener function
> static void *message_listner(void *data)
> {
>        struct Data_To_Be_Sent *data_to_be_sent;
>        data_to_be_sent = (Data_To_Be_Sent*)data;
>        gchar *text;
>        gchar *carriage_return = "\n";
>        GtkTextIter start, end;
>        int numbytes, ix=1;
> 
>        g_print("I am waiting for incoming data...\n");
>        while(1)
>        {
>                if((numbytes=recv(data_to_be_sent->sockfd, 
> data_to_be_sent->buffer, 255, 0)) == -1)
>                {
>                        printf("There was an error reciving data\n");
>                        exit(1);
>                } else {
>                        printf(((char *)data_to_be_sent->buffer));
>                        printf("\n%i\n", ix);
>                        wait(2);
>                }
>                ix++;
>        }
> }
> 
> Any ideas where I am going wrong?
> 
> Thanks
> ken
> 
> -
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> 
> 


      reply	other threads:[~2006-02-02 14:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-01  3:19 working with threads Ken Nagorski
2006-02-02 14:59 ` Jean-Philippe Andriot [this message]

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