pgsql: Change the autovacuum launcher to read pg_database directly, - Mailing list pgsql-committers

Log Message:
-----------
Change the autovacuum launcher to read pg_database directly, rather than
via the "flat files" facility.  This requires making it enough like a backend
to be able to run transactions; it's no longer an "auxiliary process" but
more like the autovacuum worker processes.  Also, its signal handling has
to be brought into line with backends/workers.  In particular, since it
now has to handle procsignal.c processing, the special autovac-launcher-only
signal conditions are moved to SIGUSR2.

Alvaro, with some cleanup from Tom

Modified Files:
--------------
    pgsql/src/backend/postmaster:
        autovacuum.c (r1.103 -> r1.104)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/autovacuum.c?r1=1.103&r2=1.104)
        postmaster.c (r1.593 -> r1.594)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/postmaster.c?r1=1.593&r2=1.594)
    pgsql/src/backend/storage/lmgr:
        proc.c (r1.208 -> r1.209)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/lmgr/proc.c?r1=1.208&r2=1.209)
    pgsql/src/backend/utils/init:
        globals.c (r1.109 -> r1.110)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/init/globals.c?r1=1.109&r2=1.110)
        postinit.c (r1.195 -> r1.196)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/init/postinit.c?r1=1.195&r2=1.196)
    pgsql/src/backend/utils/misc:
        guc.c (r1.513 -> r1.514)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/guc.c?r1=1.513&r2=1.514)
    pgsql/src/include/postmaster:
        autovacuum.h (r1.15 -> r1.16)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/postmaster/autovacuum.h?r1=1.15&r2=1.16)
    pgsql/src/include/storage:
        proc.h (r1.113 -> r1.114)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/proc.h?r1=1.113&r2=1.114)