DragonFlyBSD

for the record: the curl error is

(56) Recv failure: Operation timed out

On Fri, Jun 29, 2012 at 5:05 AM, Matthias Rampke via Redmine
<bugtracker-admin@leaf.dragonflybsd.org> wrote:

Issue #2392 has been reported by Matthias Rampke.

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Bug #2392: KEEPALIVE broken in curl
http://bugs.dragonflybsd.org/issues/2392

Author: Matthias Rampke
Status: New
Priority: Normal
Assignee:
Category:
Target version:

curl has been broken since version 7.25 on DragonFly. I've bisected it down (using https://gist.github.com/3013871) to this commit:

https://github.com/bagder/curl/commit/2a266c1c7c075f9faced0248ed3f870dac1fc749

I can't find any functional difference between the code removed there and the one added on the library side in that commit's parent, so I am at loss for producing a more minimal testcase.

It is because Linux uses second as the unit of the TCP_KEEPINTVL and
TCP_KEEPIDLE. In DragonFly, the unit of TCP_KEEPINIT, TCP_KEEPINTVL
and TCP_KEEPIDLE is millisecond, which is consistent w/ the related
sysctl nodes' unit. I am not going to follow Linux on this; different
systems have their own unit of TCP_KEEP*, e.g. OpenVMS uses 0.5
second. curl should be patched to fix their assumption about
TCP_KEEP* argument unit.

Best Regards,
sephe

Current curl works fine on both OS X and Linux and I can't see any OS-specific code there so I guess this is a DragonFly problem(?).

A workaround for using curl on DragonFly is invoking it as curl --no-keepalive.

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