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

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql-server: XOR process PID into a backend's initial random seed, to
Date: 2004-10-07 00:03:17
Message-ID: 20041007000317.0E81532A378@svr1.postgresql.org
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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)

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