Assume select() might modify struct timeout, so remove previous optimization.
Assume select() might modify struct timeout, so remove previous
optimization.

snaga/postgres-xl,lintzc/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,foyzur/gpdb,kaknikhil/gpdb,xinzweb/gpdb,xuegang/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,lintzc/gpdb,CraigHarris/gpdb,chrishajas/gpdb,lpetrov-pivotal/gpdb,arcivanov/postgres-xl,CraigHarris/gpdb,pavanvd/postgres-xl,greenplum-db/gpdb,rubikloud/gpdb,Quikling/gpdb,royc1/gpdb,edespino/gpdb,snaga/postgres-xl,zaksoup/gpdb,zaksoup/gpdb,janebeckman/gpdb,tangp3/gpdb,chrishajas/gpdb,Chibin/gpdb,yazun/postgres-xl,greenplum-db/gpdb,rvs/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,50wu/gpdb,Quikling/gpdb,royc1/gpdb,royc1/gpdb,postmind-net/postgres-xl,ahachete/gpdb,kaknikhil/gpdb,yuanzhao/gpdb,janebeckman/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,lpetrov-pivotal/gpdb,foyzur/gpdb,adam8157/gpdb,CraigHarris/gpdb,zaksoup/gpdb,jmcatamney/gpdb,yazun/postgres-xl,chrishajas/gpdb,edespino/gpdb,techdragon/Postgres-XL,postmind-net/postgres-xl,royc1/gpdb,lisakowen/gpdb,jmcatamney/gpdb,janebeckman/gpdb,Chibin/gpdb,lpetrov-pivotal/gpdb,jmcatamney/gpdb,50wu/gpdb,rubikloud/gpdb,rvs/gpdb,rvs/gpdb,50wu/gpdb,zaksoup/gpdb,foyzur/gpdb,ashwinstar/gpdb,xinzweb/gpdb,pavanvd/postgres-xl,50wu/gpdb,atris/gpdb,kmjungersen/PostgresXL,foyzur/gpdb,cjcjameson/gpdb,Quikling/gpdb,lisakowen/gpdb,techdragon/Postgres-XL,jmcatamney/gpdb,lisakowen/gpdb,xinzweb/gpdb,techdragon/Postgres-XL,rubikloud/gpdb,rvs/gpdb,cjcjameson/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,kaknikhil/gpdb,pavanvd/postgres-xl,chrishajas/gpdb,chrishajas/gpdb,ahachete/gpdb,atris/gpdb,foyzur/gpdb,rvs/gpdb,rubikloud/gpdb,snaga/postgres-xl,janebeckman/gpdb,arcivanov/postgres-xl,oberstet/postgres-xl,techdragon/Postgres-XL,lintzc/gpdb,tangp3/gpdb,ashwinstar/gpdb,zaksoup/gpdb,adam8157/gpdb,CraigHarris/gpdb,ahachete/gpdb,Quikling/gpdb,edespino/gpdb,janebeckman/gpdb,Chibin/gpdb,xinzweb/gpdb,snaga/postgres-xl,xinzweb/gpdb,rvs/gpdb,ahachete/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,xinzweb/gpdb,tpostgres-projects/tPostgres,tangp3/gpdb,lisakowen/gpdb,royc1/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,rvs/gpdb,atris/gpdb,lisakowen/gpdb,randomtask1155/gpdb,lisakowen/gpdb,adam8157/gpdb,xinzweb/gpdb,lisakowen/gpdb,xuegang/gpdb,lintzc/gpdb,tangp3/gpdb,foyzur/gpdb,0x0FFF/gpdb,atris/gpdb,Chibin/gpdb,Chibin/gpdb,zaksoup/gpdb,0x0FFF/gpdb,yuanzhao/gpdb,xuegang/gpdb,arcivanov/postgres-xl,ahachete/gpdb,cjcjameson/gpdb,yazun/postgres-xl,rubikloud/gpdb,50wu/gpdb,tangp3/gpdb,oberstet/postgres-xl,randomtask1155/gpdb,ahachete/gpdb,Postgres-XL/Postgres-XL,lpetrov-pivotal/gpdb,edespino/gpdb,postmind-net/postgres-xl,ashwinstar/gpdb,atris/gpdb,janebeckman/gpdb,0x0FFF/gpdb,randomtask1155/gpdb,50wu/gpdb,zeroae/postgres-xl,postmind-net/postgres-xl,yuanzhao/gpdb,adam8157/gpdb,randomtask1155/gpdb,adam8157/gpdb,kaknikhil/gpdb,tpostgres-projects/tPostgres,xinzweb/gpdb,adam8157/gpdb,oberstet/postgres-xl,Chibin/gpdb,chrishajas/gpdb,rvs/gpdb,chrishajas/gpdb,lintzc/gpdb,arcivanov/postgres-xl,CraigHarris/gpdb,jmcatamney/gpdb,ahachete/gpdb,0x0FFF/gpdb,zeroae/postgres-xl,Quikling/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,janebeckman/gpdb,lintzc/gpdb,cjcjameson/gpdb,ashwinstar/gpdb,royc1/gpdb,rvs/gpdb,xuegang/gpdb,lintzc/gpdb,0x0FFF/gpdb,foyzur/gpdb,oberstet/postgres-xl,Postgres-XL/Postgres-XL,ashwinstar/gpdb,Chibin/gpdb,adam8157/gpdb,ovr/postgres-xl,cjcjameson/gpdb,lpetrov-pivotal/gpdb,xuegang/gpdb,janebeckman/gpdb,zeroae/postgres-xl,kaknikhil/gpdb,foyzur/gpdb,xuegang/gpdb,kmjungersen/PostgresXL,greenplum-db/gpdb,Quikling/gpdb,techdragon/Postgres-XL,arcivanov/postgres-xl,Postgres-XL/Postgres-XL,atris/gpdb,tangp3/gpdb,kaknikhil/gpdb,CraigHarris/gpdb,tpostgres-projects/tPostgres,ashwinstar/gpdb,Chibin/gpdb,ovr/postgres-xl,greenplum-db/gpdb,50wu/gpdb,ovr/postgres-xl,rvs/gpdb,royc1/gpdb,kmjungersen/PostgresXL,edespino/gpdb,greenplum-db/gpdb,Quikling/gpdb,randomtask1155/gpdb,lpetrov-pivotal/gpdb,xuegang/gpdb,Postgres-XL/Postgres-XL,0x0FFF/gpdb,arcivanov/postgres-xl,oberstet/postgres-xl,postmind-net/postgres-xl,edespino/gpdb,edespino/gpdb,rubikloud/gpdb,greenplum-db/gpdb,lpetrov-pivotal/gpdb,snaga/postgres-xl,janebeckman/gpdb,ovr/postgres-xl,tangp3/gpdb,yuanzhao/gpdb,tpostgres-projects/tPostgres,cjcjameson/gpdb,yazun/postgres-xl,xuegang/gpdb,lintzc/gpdb,randomtask1155/gpdb,Postgres-XL/Postgres-XL,tangp3/gpdb,lisakowen/gpdb,adam8157/gpdb,zaksoup/gpdb,ovr/postgres-xl,edespino/gpdb,pavanvd/postgres-xl,kmjungersen/PostgresXL,lpetrov-pivotal/gpdb,atris/gpdb,Quikling/gpdb,ahachete/gpdb,kaknikhil/gpdb,chrishajas/gpdb,yazun/postgres-xl,0x0FFF/gpdb,50wu/gpdb,Quikling/gpdb,rubikloud/gpdb,0x0FFF/gpdb,rubikloud/gpdb,janebeckman/gpdb,kmjungersen/PostgresXL,tpostgres-projects/tPostgres,edespino/gpdb,CraigHarris/gpdb,kaknikhil/gpdb,pavanvd/postgres-xl,yuanzhao/gpdb,zeroae/postgres-xl,Chibin/gpdb,randomtask1155/gpdb,zeroae/postgres-xl,randomtask1155/gpdb,CraigHarris/gpdb,kaknikhil/gpdb,greenplum-db/gpdb,edespino/gpdb,Chibin/gpdb,lintzc/gpdb,xuegang/gpdb,royc1/gpdb,Quikling/gpdb,zaksoup/gpdb,atris/gpdb