nn_device polls for POLLERR
nn_device polls for POLLERR

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

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