Have autovacuum workers listen to SIGHUP, too
Have autovacuum workers listen to SIGHUP, too

They have historically ignored it, but it's been said to be useful at
times to change their settings mid-flight.

Author: Michael Paquier

jmcatamney/gpdb,zeroae/postgres-xl,greenplum-db/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,xinzweb/gpdb,ashwinstar/gpdb,lisakowen/gpdb,xinzweb/gpdb,Postgres-XL/Postgres-XL,ovr/postgres-xl,ovr/postgres-xl,ashwinstar/gpdb,zeroae/postgres-xl,xinzweb/gpdb,greenplum-db/gpdb,lisakowen/gpdb,pavanvd/postgres-xl,oberstet/postgres-xl,oberstet/postgres-xl,Postgres-XL/Postgres-XL,50wu/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,50wu/gpdb,techdragon/Postgres-XL,yazun/postgres-xl,xinzweb/gpdb,lisakowen/gpdb,ovr/postgres-xl,50wu/gpdb,50wu/gpdb,jmcatamney/gpdb,adam8157/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,yazun/postgres-xl,adam8157/gpdb,adam8157/gpdb,yazun/postgres-xl,pavanvd/postgres-xl,xinzweb/gpdb,oberstet/postgres-xl,greenplum-db/gpdb,techdragon/Postgres-XL,jmcatamney/gpdb,techdragon/Postgres-XL,zeroae/postgres-xl,lisakowen/gpdb,50wu/gpdb,greenplum-db/gpdb,pavanvd/postgres-xl,ovr/postgres-xl,techdragon/Postgres-XL,ashwinstar/gpdb,xinzweb/gpdb,50wu/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,oberstet/postgres-xl,greenplum-db/gpdb,pavanvd/postgres-xl,zeroae/postgres-xl,lisakowen/gpdb,lisakowen/gpdb,jmcatamney/gpdb,adam8157/gpdb,adam8157/gpdb,lisakowen/gpdb,adam8157/gpdb,oberstet/postgres-xl,lisakowen/gpdb,techdragon/Postgres-XL,50wu/gpdb,adam8157/gpdb,greenplum-db/gpdb,ovr/postgres-xl,50wu/gpdb,pavanvd/postgres-xl,ashwinstar/gpdb,xinzweb/gpdb,jmcatamney/gpdb,xinzweb/gpdb,Postgres-XL/Postgres-XL,yazun/postgres-xl,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,ashwinstar/gpdb,adam8157/gpdb,zeroae/postgres-xl,yazun/postgres-xl