Add missing PG_SETMASK(&BlockSig) to SIGHUP_handler().
Add missing PG_SETMASK(&BlockSig) to SIGHUP_handler().

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