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[lwip-users] lwip_send + MSG_DONTWAIT, blocking

From: Florian Ludwig
Subject: [lwip-users] lwip_send + MSG_DONTWAIT, blocking
Date: Wed, 11 Mar 2015 15:16:42 +0100
Hi,

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?

Thank you in advance for any pointers,
Florian
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