1 files changed, 84 insertions, 0 deletions
diff --git a/src/backend/storage/smgr.h b/src/backend/storage/smgr.h
new file mode 100644
index 00000000000..2e91938290a
--- /dev/null
+++ b/src/backend/storage/smgr.h
@@ -0,0 +1,84 @@
+/*-------------------------------------------------------------------------
+ *
+ * smgr.h--
+ *    storage manager switch public interface declarations.
+ *
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: smgr.h,v 1.1.1.1 1996/07/09 06:21:53 scrappy Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef SMGR_H
+#define SMGR_H
+
+#include "utils/rel.h"
+#include "storage/spin.h"	/* for SPINLOCK */
+
+#define SM_FAIL		0
+#define	SM_SUCCESS	1
+
+#define	DEFAULT_SMGR	0
+
+extern int smgrinit(void);
+extern void smgrshutdown(int dummy);
+extern int smgrcreate(int16 which, Relation reln);
+extern int smgrunlink(int16 which, Relation reln);
+extern int smgrextend(int16 which, Relation reln, char *buffer);
+extern int smgropen(int16 which, Relation reln);
+extern int smgrclose(int16 which, Relation reln);
+extern int smgrread(int16 which, Relation reln, BlockNumber blocknum,
+		    char *buffer);
+extern int smgrwrite(int16 which, Relation reln, BlockNumber blocknum,
+		     char *buffer);
+extern int smgrflush(int16 which, Relation reln, BlockNumber blocknum,
+		     char *buffer);
+extern int smgrblindwrt(int16 which, char *dbname, char *relname, Oid dbid,
+			Oid relid, BlockNumber blkno, char *buffer);
+extern int smgrnblocks(int16 which, Relation reln);
+extern int smgrcommit(void);
+extern int smgrabort(void);
+extern bool smgriswo(int16 smgrno);
+
+
+
+/* internals: move me elsewhere -- ay 7/94 */
+
+/* in md.c */
+extern int mdinit(void);
+extern int mdcreate(Relation reln);
+extern int mdunlink(Relation reln);
+extern int mdextend(Relation reln, char *buffer);
+extern int mdopen(Relation reln);
+extern int mdclose(Relation reln);
+extern int mdread(Relation reln, BlockNumber blocknum, char *buffer);
+extern int mdwrite(Relation reln, BlockNumber blocknum, char *buffer);
+extern int mdflush(Relation reln, BlockNumber blocknum, char *buffer);
+extern int mdblindwrt(char *dbstr, char *relstr, Oid dbid, Oid relid,
+		      BlockNumber blkno, char *buffer);
+extern int mdnblocks(Relation reln);
+extern int mdcommit(void);
+extern int mdabort(void);
+
+/* mm.c */
+extern SPINLOCK MMCacheLock;
+
+extern int mminit(void);
+extern int mmshutdown(void);
+extern int mmcreate(Relation reln);
+extern int mmunlink(Relation reln);
+extern int mmextend(Relation reln, char *buffer);
+extern int mmopen(Relation reln);
+extern int mmclose(Relation reln);
+extern int mmread(Relation reln, BlockNumber blocknum, char *buffer);
+extern int mmwrite(Relation reln, BlockNumber blocknum, char *buffer);
+extern int mmflush(Relation reln, BlockNumber blocknum, char *buffer);
+extern int mmblindwrt(char *dbstr, char *relstr, Oid dbid, Oid relid,
+		      BlockNumber blkno, char *buffer);
+extern int mmnblocks(Relation reln);
+extern int mmcommit(void);
+extern int mmabort(void);
+extern int MMShmemSize(void);
+
+#endif	/* SMGR_H */