Обсуждение: pgsql-server: XOR process PID into a backend's initial random seed, to

Поиск
Список
Период
Сортировка

pgsql-server: XOR process PID into a backend's initial random seed, to

От
tgl@svr1.postgresql.org (Tom Lane)
Дата:
Log Message:
-----------
XOR process PID into a backend's initial random seed, to ensure that
different backends get a reasonably wide set of initial seeds even if
gettimeofday returns tv_usec values with only a few bits of precision.
Per recent discussion.

Modified Files:
--------------
    pgsql-server/src/backend/postmaster:
        postmaster.c (r1.426 -> r1.427)

(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/postmaster/postmaster.c.diff?r1=1.426&r2=1.427)