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pgsql: Use SYSV semaphores rather than POSIX on Darwin >= 6.0 (i.e., OS

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Use SYSV semaphores rather than POSIX on Darwin >= 6.0 (i.e., OS
Date: 2007-09-26 00:32:46
Message-ID: 20070926003246.ACB11753E4C@cvs.postgresql.org (view raw or flat)
Thread:
Lists: pgsql-committers
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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