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XOR process PID into a backend's initial random seed, to ensure that

author Tom Lane <tgl@sss.pgh.pa.us>

Thu, 7 Oct 2004 00:03:15 +0000 (00:03 +0000)

committer Tom Lane <tgl@sss.pgh.pa.us>

Thu, 7 Oct 2004 00:03:15 +0000 (00:03 +0000)

commit 52a45818a13bc32156ada02554eef76e1124b618

tree a965aaaaa0586f9025905429a084d96e3410fdd4 tree

parent f629583f944490b184c5c69f652c5bc067e85705 commit | diff

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.

src/backend/postmaster/postmaster.c diff | blob | blame | history

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