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Re: [lwip-users] lwip_send + MSG_DONTWAIT, blocking

From: Simon Goldschmidt
Subject: Re: [lwip-users] lwip_send + MSG_DONTWAIT, blocking
Date: Thu, 12 Mar 2015 21:53:36 +0100

> Florian Ludwig wrote:
> i am calling lwip_send with MSG_DONTWAIT flag and at times it blocks on 
> err = netconn_write(sock->conn, data, size, write_flags);
> What are the reasons this call could block?

One reason could be using an old version of lwIP. Which version are you using? 
BTW, this info would belong into the original question...

Another open question to me is what do you mean by "blocking". Long? Forever? 
Just a task-change-and-back blocking?


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