New arrangement to always let the bgwriter do checkpoints broke

CHECKPOINT and some other commands in the context of a standalone
backend.  Allow a standalone backend to do its own checkpoints.

diff --git a/src/backend/postmaster/bgwriter.c b/src/backend/postmaster/bgwriter.c
index 12202e008111b51ec4f0c2acdaaddeecd4f2a564..128122355bb02a530cebb6d7d3a3405f13ff0702 100644 (file)
--- a/src/backend/postmaster/bgwriter.c
+++ b/src/backend/postmaster/bgwriter.c
@@ -37,7 +37,7 @@
  *
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/postmaster/bgwriter.c,v 1.13 2005/01/10 20:02:20 tgl Exp $
+ *       $PostgreSQL: pgsql/src/backend/postmaster/bgwriter.c,v 1.14 2005/02/19 23:16:15 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -509,6 +509,23 @@ RequestCheckpoint(bool waitforit)
        sig_atomic_t old_failed = bgs->ckpt_failed;
        sig_atomic_t old_started = bgs->ckpt_started;
 
+       /*
+        * If in a standalone backend, just do it ourselves.
+        */
+       if (!IsPostmasterEnvironment)
+       {
+               CreateCheckPoint(false, true);
+
+               /*
+                * After any checkpoint, close all smgr files.  This is so we
+                * won't hang onto smgr references to deleted files
+                * indefinitely.
+                */
+               smgrcloseall();
+
+               return;
+       }
+
        /*
         * Send signal to request checkpoint.  When waitforit is false, we
         * consider failure to send the signal to be nonfatal.