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From: | Dirk Ziegelmeier |
Subject: | Re: [lwip-users] udp_send / udp_recv thread safefy |
Date: | Fri, 8 Sep 2017 15:52:29 +0200 |
Hi,
I'm doing some work with LWIP 2.0.2 using the raw API to send and receive UDP datagrams and I have a doubt regarding the thread safety of udp_send and udp_recv. Right now I have a single UDP PCB instance and I'm handling incoming datagrams in one thread using the recv callback (I assume this thread is the tcpip_thread) and sending UDP datagrams in another thread. Is this safe or should I queue my UDP transmissions using the tcpip_callback_with_block ?Kind regards,Ricardo Martins
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