More tuning of underlying sockets
More tuning of underlying sockets

Signed-off-by: Martin Sustrik <4dd6061be1198639e8b05ce4fd5ead7a0dcaa0f4@250bpm.com>

pakozm/nanomsg,wfxiang08/nanomsg,krafczyk/nanomsg,kaostao/nanomsg,wirebirdlabs/featherweight-nanomsg,krafczyk/nanomsg,pch957/nanomsg,cosin2008/nanomsg.NET,modulexcite/nanomsg,potatogim/nanomsg,wirebirdlabs/featherweight-nanomsg,thisco-de/nanomsg,nirs/nanomsg,potatogim/nanomsg,kaostao/nanomsg,tempbottle/nanomsg,reqshark/nanomsg,krafczyk/nanomsg,hyperfact/nanomsg,TTimo/nanomsg,modulexcite/nanomsg,cosin2008/nanomsg.NET,TTimo/nanomsg,reqshark/nanomsg,tempbottle/nanomsg,gdamore/mamomsg,linearregression/nanomsg,imp/nanomsg,pch957/nanomsg,pakozm/nanomsg,smithed/nanomsg,ttyangf/nanomsg,JackDunaway/featherweight-nanomsg,smithed/nanomsg,JackDunaway/featherweight-nanomsg,kaostao/nanomsg,imp/nanomsg,modulexcite/nanomsg,imp/nanomsg,simplestbest/nanomsg,TTimo/nanomsg,featherweight/ftw-kernel-nanomsg,yan97ao/nanomsg,snikulov/nanomsg,zerotacg/nanomsg,ttyangf/nanomsg,smithed/nanomsg,ttyangf/nanomsg,simplestbest/nanomsg,zerotacg/nanomsg,gdamore/mamomsg,cosin2008/nanomsg.NET,nirs/nanomsg,JackDunaway/featherweight-nanomsg,reqshark/nanomsg,nirs/nanomsg,ttyangf/nanomsg,tempbottle/nanomsg,pch957/nanomsg,yan97ao/nanomsg,linearregression/nanomsg,kaostao/nanomsg,potatogim/nanomsg,hyperfact/nanomsg,simplestbest/nanomsg,thisco-de/nanomsg,zerotacg/nanomsg,wfxiang08/nanomsg,gdamore/mamomsg,wirebirdlabs/featherweight-nanomsg,smithed/nanomsg,yan97ao/nanomsg,snikulov/nanomsg,pakozm/nanomsg,featherweight/ftw-kernel-nanomsg,TTimo/nanomsg,wfxiang08/nanomsg,hyperfact/nanomsg,linearregression/nanomsg