posix: suppress SIGPIPE
posix: suppress SIGPIPE

When socket was closed by the other side and we try to write into it
the process gets SIGPIPE. We should suppress it, so that failure is
handled locally. Now the failure will percolate up as an exception.

ducthangho/imdb,norcimo5/seastar,raphaelsc/scylla,dreamsxin/seastar,duarten/scylla,anzihenry/seastar,asias/scylla,eklitzke/scylla,bowlofstew/scylla,kjniemi/scylla,koolhazz/seastar,printedheart/seastar,sjperkins/seastar,wildinto/scylla,duarten/scylla,respu/scylla,stamhe/seastar,mixja/seastar,leejir/seastar,duarten/scylla,wildinto/seastar,xtao/seastar,senseb/scylla,glommer/scylla,slivne/seastar,kjniemi/seastar,stamhe/seastar,norcimo5/seastar,avikivity/seastar,syuu1228/seastar,guiquanz/scylla,jonathanleang/seastar,rentongzhang/scylla,shyamalschandra/seastar,aruanruan/scylla,linearregression/scylla,eklitzke/scylla,norcimo5/seastar,justintung/scylla,victorbriz/scylla,rentongzhang/scylla,acbellini/scylla,scylladb/scylla-seastar,hongliangzhao/seastar,tempbottle/scylla,leejir/seastar,senseb/scylla,linearregression/scylla,rluta/scylla,gwicke/scylla,chunshengster/seastar,stamhe/seastar,mixja/seastar,shyamalschandra/seastar,acbellini/seastar,dwdm/seastar,acbellini/seastar,linearregression/seastar,avikivity/scylla,guiquanz/scylla,joerg84/seastar,koolhazz/seastar,tempbottle/scylla,bowlofstew/seastar,anzihenry/seastar,dwdm/scylla,scylladb/seastar,guiquanz/scylla,shyamalschandra/seastar,scylladb/scylla,capturePointer/scylla,bzero/seastar,dwdm/scylla,avikivity/scylla,bzero/seastar,jonathanleang/seastar,acbellini/scylla,syuu1228/seastar,scylladb/scylla,avikivity/seastar,scylladb/scylla,victorbriz/scylla,raphaelsc/scylla,glommer/scylla,senseb/scylla,anzihenry/seastar,stamhe/scylla,hongliangzhao/seastar,kjniemi/seastar,printedheart/seastar,bowlofstew/scylla,rentongzhang/scylla,cloudius-systems/seastar,kjniemi/scylla,scylladb/scylla,bowlofstew/seastar,phonkee/scylla,bowlofstew/scylla,tempbottle/seastar,scylladb/scylla-seastar,asias/scylla,respu/scylla,koolhazz/seastar,kjniemi/seastar,victorbriz/scylla,bowlofstew/seastar,dwdm/seastar,leejir/seastar,flashbuckets/seastar,stamhe/scylla,tempbottle/scylla,raphaelsc/scylla,acbellini/scylla,gwicke/scylla,dwdm/scylla,kangkot/scylla,wildinto/seastar,capturePointer/scylla,justintung/scylla,aruanruan/scylla,dwdm/seastar,cloudius-systems/seastar,linearregression/seastar,asias/scylla,eklitzke/scylla,chunshengster/seastar,wildinto/scylla,xtao/seastar,ducthangho/imdb,raphaelsc/seastar,sjperkins/seastar,linearregression/seastar,scylladb/seastar,kangkot/scylla,chunshengster/seastar,kangkot/scylla,glommer/scylla,phonkee/scylla,dreamsxin/seastar,shaunstanislaus/scylla,linearregression/scylla,flashbuckets/seastar,scylladb/scylla-seastar,joerg84/seastar,rluta/scylla,joerg84/seastar,printedheart/seastar,slivne/seastar,scylladb/seastar,raphaelsc/seastar,wildinto/seastar,shaunstanislaus/scylla,jonathanleang/seastar,avikivity/seastar,tempbottle/seastar,acbellini/seastar,bzero/seastar,capturePointer/scylla,stamhe/scylla,avikivity/scylla,sjperkins/seastar,wildinto/scylla,xtao/seastar,cloudius-systems/seastar,tempbottle/seastar,slivne/seastar,respu/scylla,syuu1228/seastar,phonkee/scylla,hongliangzhao/seastar,dreamsxin/seastar,shaunstanislaus/scylla,ducthangho/imdb,justintung/scylla,gwicke/scylla,rluta/scylla,kjniemi/scylla,flashbuckets/seastar,aruanruan/scylla,raphaelsc/seastar,mixja/seastar