Log Message:
-----------
Use SYSV semaphores rather than POSIX on Darwin >= 6.0 (i.e., OS X 10.2
and up), per Chris Marcellino. This avoids consuming O(N^2) file
descriptors to support N backends. Tests suggest it's about a wash for
small installations, but large ones would have a problem.
Modified Files:
--------------
pgsql/src/template:
darwin (r1.10 -> r1.11)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/template/darwin?r1=1.10&r2=1.11)
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TIP 2: Don't 'kill -9' the postmaster
