Transaction log manager core code.

It doesn't work currently but also don't break anything -:)

src/backend/access/transam/Makefile

@@ -4,7 +4,7 @@
 #    Makefile for access/transam
 #
 # IDENTIFICATION
-#    $Header: /cvsroot/pgsql/src/backend/access/transam/Makefile,v 1.6 1998/04/06 00:21:52 momjian Exp $
+#    $Header: /cvsroot/pgsql/src/backend/access/transam/Makefile,v 1.7 1999/09/27 15:47:37 vadim Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -13,7 +13,7 @@ include ../../../Makefile.global
 
 CFLAGS += -I../.. 
 
-OBJS = transam.o transsup.o varsup.o xact.o xid.o 
+OBJS = transam.o transsup.o varsup.o xact.o xid.o xlog.o rmgr.o
 
 all: SUBSYS.o
 

src/backend/access/transam/rmgr.c

@@ -0,0 +1,4 @@
+#include "postgres.h"
+#include "access/rmgr.h"
+
+RmgrData	   *RmgrTable = NULL;

src/backend/postmaster/postmaster.c

@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.117 1999/09/27 03:13:05 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.118 1999/09/27 15:47:43 vadim Exp $
  *
  * NOTES
  *
@@ -204,9 +204,10 @@ static int	SendStop = false;
 
 static bool NetServer = false;	/* if not zero, postmaster listen for
 								 * non-local connections */
+#ifdef USE_SSL
 static bool SecureNetServer = false; /* if not zero, postmaster listens for only SSL
                                       * non-local connections */
-
+#endif
 
 /*
  * GH: For !HAVE_SIGPROCMASK (NEXTSTEP), TRH implemented an
@@ -990,12 +991,17 @@ readStartupPacket(void *arg, PacketLen len, void *pkt)
 
 	/* Could add additional special packet types here */
 
-	/* Any SSL negotiation must have taken place here, so drop the connection
-	 * ASAP if we require SSL */
-	if (SecureNetServer && !port->ssl) {
-	  PacketSendError(&port->pktInfo, "Backend requires secure connection.");
-	  return STATUS_OK;
+#ifdef USE_SSL
+	/* 
+	 * Any SSL negotiation must have taken place here, so drop the connection
+	 * ASAP if we require SSL
+	 */
+	if (SecureNetServer && !port->ssl)
+	{
+		PacketSendError(&port->pktInfo, "Backend requires secure connection.");
+		return STATUS_OK;
 	}
+#endif
 
 	/* Check we can handle the protocol the frontend is using. */
 
@@ -1832,6 +1838,7 @@ CountChildren(void)
 }
 
 
+#ifdef USE_SSL
 /*
  * Initialize SSL library and structures
  */
@@ -1860,3 +1867,4 @@ static void InitSSL(void) {
     exit(1);
   }
 }
+#endif

src/backend/storage/file/fd.c

@@ -6,7 +6,7 @@
  * Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Id: fd.c,v 1.47 1999/07/17 20:17:42 momjian Exp $
+ *	  $Id: fd.c,v 1.48 1999/09/27 15:47:49 vadim Exp $
  *
  * NOTES:
  *
@@ -49,6 +49,7 @@
 #include "miscadmin.h"
 #include "storage/fd.h"
 
+bool	ReleaseDataFile(void);
 /*
  * Problem: Postgres does a system(ld...) to do dynamic loading.
  * This will open several extra files in addition to those used by
@@ -410,6 +411,19 @@ ReleaseLruFile()
 	LruDelete(VfdCache[0].lruMoreRecently);
 }
 
+bool
+ReleaseDataFile()
+{
+	DO_DB(elog(DEBUG, "ReleaseDataFile. Opened %d", nfile));
+
+	if (nfile <= 0)
+		return(false);
+	Assert(VfdCache[0].lruMoreRecently != 0);
+	LruDelete(VfdCache[0].lruMoreRecently);
+
+	return(true);
+}
+
 static File
 AllocateVfd()
 {

src/backend/tcop/utility.c

@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.66 1999/09/23 17:02:52 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.67 1999/09/27 15:47:54 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -220,13 +220,13 @@ ProcessUtility(Node *parsetree,
 				 relname);
 			  }			  
 			  
-			  rel = heap_openr(relname);
+			  rel = heap_openr(relname, AccessExclusiveLock);
 			  if (RelationIsValid(rel)) {
 			    if (rel->rd_rel->relkind == RELKIND_SEQUENCE) {
 			      elog(ERROR, "TRUNCATE cannot be used on sequences. '%s' is a sequence", 
 				   relname);
 			    }			    
-			    heap_close(rel);
+			    heap_close(rel, NoLock);
 			  }
 #ifndef NO_SECURITY
 			  if (!pg_ownercheck(userName, relname, RELNAME)) {