Date: Fri, 07 Apr 2006 12:39:41 -0700 From: Qiao Yang <qgyang@gmail.com> To: <freebsd-net@freebsd.org> Subject: Unreliable Unix Domain DGRAM socket? Message-ID: <C05C0E0D.90BF%qgyang@gmail.com>
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Hi all, Does anyone know what possible scenarios may cause the Unix Domain DGRAM socket to lose packet? We know, in theory, it is unreliable, but in reality, I rarely see packet loss happens to this type of socket. Unfortunately, I believe it happened a few times in the last couple of months in a FreeBSD 5.3 box and I wasn't able to track down what the cause was. One related question. Considering the following setup, client (socket_A) send a packet to server (socket_B). If the sending buffer of socket_A is ok but the receiving buffer of socket_B is full, will sendto() return error? Thanks for your insights. --Qiao
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