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Re: [lwip-devel] read() returns error ECONNABORTED instead of 0 for clos

From: address@hidden
Subject: Re: [lwip-devel] read() returns error ECONNABORTED instead of 0 for closed
Date: Sun, 01 Aug 2010 20:37:53 +0200
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; de; rv:1.9.2.7) Gecko/20100713 Thunderbird/3.1.1
Stéphane Lesage wrote:
Is it a normal behaviour,
No
or shall lwip always return 0 when the connection is closed ?
Yes, it should always return 0. However, ECONNABORTED should only be returned after the PCBs error callback has been called... I might help if you can set a breakpoint at api_msg.c:err_tcp() and then have a look at the callstack at the time that function is called (*if* it is called).

Simon
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