Fix bug: interconnect hang
Fix bug: interconnect hang

Need to check UDPIC_FLAGS_STOP flag when the ACK sequence equals to receivedAckSeq. Otherwise,
The receiver will keep polling ACK and the sender will keep sending ACK.

kaknikhil/gpdb,kaknikhil/gpdb,atris/gpdb,50wu/gpdb,0x0FFF/gpdb,Chibin/gpdb,rvs/gpdb,Chibin/gpdb,rubikloud/gpdb,foyzur/gpdb,xinzweb/gpdb,chrishajas/gpdb,ahachete/gpdb,janebeckman/gpdb,yuanzhao/gpdb,lpetrov-pivotal/gpdb,tangp3/gpdb,royc1/gpdb,rubikloud/gpdb,greenplum-db/gpdb,edespino/gpdb,kaknikhil/gpdb,rvs/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,atris/gpdb,janebeckman/gpdb,jmcatamney/gpdb,lisakowen/gpdb,Chibin/gpdb,Quikling/gpdb,tangp3/gpdb,Quikling/gpdb,xuegang/gpdb,lisakowen/gpdb,xuegang/gpdb,0x0FFF/gpdb,foyzur/gpdb,zaksoup/gpdb,jmcatamney/gpdb,foyzur/gpdb,0x0FFF/gpdb,tangp3/gpdb,zaksoup/gpdb,ashwinstar/gpdb,cjcjameson/gpdb,lisakowen/gpdb,adam8157/gpdb,cjcjameson/gpdb,foyzur/gpdb,ashwinstar/gpdb,atris/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,foyzur/gpdb,xinzweb/gpdb,randomtask1155/gpdb,ahachete/gpdb,rubikloud/gpdb,zaksoup/gpdb,xinzweb/gpdb,tangp3/gpdb,lpetrov-pivotal/gpdb,lintzc/gpdb,0x0FFF/gpdb,chrishajas/gpdb,rvs/gpdb,zaksoup/gpdb,edespino/gpdb,jmcatamney/gpdb,lisakowen/gpdb,randomtask1155/gpdb,ahachete/gpdb,jmcatamney/gpdb,royc1/gpdb,randomtask1155/gpdb,0x0FFF/gpdb,lintzc/gpdb,yuanzhao/gpdb,atris/gpdb,randomtask1155/gpdb,greenplum-db/gpdb,CraigHarris/gpdb,xinzweb/gpdb,Chibin/gpdb,tangp3/gpdb,yuanzhao/gpdb,lisakowen/gpdb,zaksoup/gpdb,chrishajas/gpdb,zaksoup/gpdb,xuegang/gpdb,tangp3/gpdb,randomtask1155/gpdb,janebeckman/gpdb,CraigHarris/gpdb,ahachete/gpdb,chrishajas/gpdb,adam8157/gpdb,rubikloud/gpdb,kaknikhil/gpdb,janebeckman/gpdb,rvs/gpdb,rvs/gpdb,lintzc/gpdb,greenplum-db/gpdb,rvs/gpdb,ahachete/gpdb,Quikling/gpdb,Chibin/gpdb,foyzur/gpdb,xuegang/gpdb,50wu/gpdb,xuegang/gpdb,jmcatamney/gpdb,royc1/gpdb,CraigHarris/gpdb,edespino/gpdb,cjcjameson/gpdb,rvs/gpdb,atris/gpdb,cjcjameson/gpdb,lpetrov-pivotal/gpdb,kaknikhil/gpdb,Chibin/gpdb,kaknikhil/gpdb,edespino/gpdb,greenplum-db/gpdb,xinzweb/gpdb,0x0FFF/gpdb,Chibin/gpdb,ashwinstar/gpdb,lisakowen/gpdb,Quikling/gpdb,kaknikhil/gpdb,50wu/gpdb,edespino/gpdb,xinzweb/gpdb,yuanzhao/gpdb,rubikloud/gpdb,50wu/gpdb,edespino/gpdb,lintzc/gpdb,Quikling/gpdb,janebeckman/gpdb,adam8157/gpdb,rvs/gpdb,xuegang/gpdb,yuanzhao/gpdb,lintzc/gpdb,ahachete/gpdb,xuegang/gpdb,CraigHarris/gpdb,ashwinstar/gpdb,50wu/gpdb,yuanzhao/gpdb,lisakowen/gpdb,xinzweb/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,janebeckman/gpdb,Quikling/gpdb,rvs/gpdb,jmcatamney/gpdb,rubikloud/gpdb,kaknikhil/gpdb,royc1/gpdb,chrishajas/gpdb,yuanzhao/gpdb,CraigHarris/gpdb,lpetrov-pivotal/gpdb,tangp3/gpdb,greenplum-db/gpdb,adam8157/gpdb,lintzc/gpdb,50wu/gpdb,adam8157/gpdb,royc1/gpdb,rubikloud/gpdb,rvs/gpdb,janebeckman/gpdb,chrishajas/gpdb,adam8157/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,xinzweb/gpdb,cjcjameson/gpdb,Quikling/gpdb,0x0FFF/gpdb,atris/gpdb,lpetrov-pivotal/gpdb,adam8157/gpdb,lintzc/gpdb,Chibin/gpdb,CraigHarris/gpdb,lpetrov-pivotal/gpdb,Chibin/gpdb,cjcjameson/gpdb,randomtask1155/gpdb,ashwinstar/gpdb,xuegang/gpdb,janebeckman/gpdb,rubikloud/gpdb,cjcjameson/gpdb,Quikling/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,edespino/gpdb,royc1/gpdb,chrishajas/gpdb,edespino/gpdb,edespino/gpdb,adam8157/gpdb,0x0FFF/gpdb,lintzc/gpdb,lisakowen/gpdb,ahachete/gpdb,50wu/gpdb,atris/gpdb,randomtask1155/gpdb,lpetrov-pivotal/gpdb,royc1/gpdb,ashwinstar/gpdb,lpetrov-pivotal/gpdb,atris/gpdb,xuegang/gpdb,chrishajas/gpdb,ahachete/gpdb,randomtask1155/gpdb,tangp3/gpdb,Chibin/gpdb,janebeckman/gpdb,lintzc/gpdb,janebeckman/gpdb,foyzur/gpdb,zaksoup/gpdb,50wu/gpdb,greenplum-db/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,royc1/gpdb,CraigHarris/gpdb,zaksoup/gpdb,yuanzhao/gpdb,Quikling/gpdb,edespino/gpdb,greenplum-db/gpdb,foyzur/gpdb,Quikling/gpdb