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List:       spread-users
Subject:    Re: [Spread-users] spread  masters help me pls
From:       "Alec H. Peterson" <alec.peterson () messagesystems ! com>
Date:       2006-09-16 15:36:26
Message-ID: 343EB900-86D6-4E52-ADA6-E6BAE2DAB497 () messagesystems ! com
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Hi Pankaj,

On Sep 16, 2006, at 8:09, Pankaj Bhardwaj wrote:

> hi,
>
> I have to make a system whican send and receive at any time .
>
> I have made a client which can send the msg. and receive , but my  
> prog. blocks at the receive call.
>
> and it is dependent that i can only send when i receive some msg.
> or i can only receive when i send some msg.
>
> i want that it should always be ready to receive and send.
>
> should i use threads or a msg queue can work .
> or is there any other option which can work.

You can use SP_poll() to determine whether or not there is a message  
waiting on the mbox (that call should not block).  Alternatively, you  
can use select() on the mbox as well, or something similar (epoll()  
on linux, for example).

Alec





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