Create a built-in log rotation program, so that we no longer have to

recommend that people go get Apache's rotatelogs program.  Additional
benefits are that configuration is done through GUC, rather than
externally, and that the postmaster can monitor the log rotator and
restart it after failure (though we certainly hope that won't happen
often).
Andreas Pflug, some rework by Tom Lane.

src/backend/postmaster/pgstat.c

@@ -13,7 +13,7 @@
  *
  *	Copyright (c) 2001-2003, PostgreSQL Global Development Group
  *
- *	$PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.77 2004/07/01 00:50:36 tgl Exp $
+ *	$PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.78 2004/08/05 23:32:10 tgl Exp $
  * ----------
  */
 #include "postgres.h"
@@ -611,7 +611,7 @@ pgstat_start(void)
 			beos_backend_startup();
 #endif
 			/* Close the postmaster's sockets */
-			ClosePostmasterPorts();
+			ClosePostmasterPorts(false);
 
 			/* Drop our connection to postmaster's shared memory, as well */
 			PGSharedMemoryDetach();