Date: Tue, 18 Jan 2005 10:43:31 -0500 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-hackers@FreeBSD.org Cc: freebsd-emulation@FreeBSD.org Subject: Re: Patch for linux ABI for MSG_NOSIGNAL and out of order tcp packet issue Message-ID: <200501181043.31108.jhb@FreeBSD.org> In-Reply-To: <00be01c4fd71$046adae0$b3db87d4@multiplay.co.uk> References: <00be01c4fd71$046adae0$b3db87d4@multiplay.co.uk>
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On Tuesday 18 January 2005 10:18 am, Steven Hartland wrote: > After digging around and getting some information from Alfred > at Valve ( the makers of HalfLife ) I've found the reason for > HalfLife 2 server ( CounterStrike Source ) crashing when > using rcon under FreeBSD. > The problem is that although their code was setting > MSG_NOSIGNAL on the send() call this was being > ignored by the linux ABI. The attached patch checks for > MSG_NOSIGNAL and if set enables SO_NOSIGPIPE > for the duration of send call. Im not 100% sure this is the > way to do it but have confirmed that the patch works on > 5.2.1 so if someone could check and commit it that would > be great. > > I'm also investigating an issue where tcp packets from a > linux app end up being sent out of order. I don't really > know where to start on this one. send() from the linux > domain seems to be a clean pass off to the native send > so unless the native send also has issues I'm at a loss. > > I'm still waiting on confirmation of the calls being used > by Valve which is causing this behaviour and will post > more when I know it. Has anyone else seen this behaviour > else where? > > Regards > Steve Can you please file a PR and include the patch in your PR? -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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