--- postgresql-9.0.1/src/include/pg_config_manual.h	2010-10-01 07:25:44.000000000 -0700
+++ postgresql/src/include/pg_config_manual.h	2010-12-14 12:36:07.000000000 -0800
@@ -141,7 +141,7 @@
  * here's where to twiddle it.  You can also override this at runtime
  * with the postmaster's -k switch.
  */
-#define DEFAULT_PGSOCKET_DIR  "/tmp"
+#define DEFAULT_PGSOCKET_DIR  "/var/pgsql_socket"
 
 /*
  * The random() function is expected to yield values between 0 and