From 8899a2aba92c4a17f422172e7c9dd0e383eefa39 Mon Sep 17 00:00:00 2001
From: Tom Lane
Date: Wed, 24 Mar 2004 22:40:29 +0000
Subject: Replace max_expr_depth parameter with a max_stack_depth parameter
 that is measured in kilobytes and checked against actual physical execution
 stack depth, as per my proposal of 30-Dec.  This gives us a fairly
 bulletproof defense against crashing due to runaway recursive functions.

---
 src/include/miscadmin.h | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'src/include/miscadmin.h')

diff --git a/src/include/miscadmin.h b/src/include/miscadmin.h
index f34ebb09865..4aba00bb713 100644
--- a/src/include/miscadmin.h
+++ b/src/include/miscadmin.h
@@ -1,18 +1,19 @@
 /*-------------------------------------------------------------------------
  *
  * miscadmin.h
- *	  this file contains general postgres administration and initialization
+ *	  This file contains general postgres administration and initialization
  *	  stuff that used to be spread out between the following files:
  *		globals.h						global variables
  *		pdir.h							directory path crud
  *		pinit.h							postgres initialization
  *		pmod.h							processing modes
- *
+ *	  Over time, this has also become the preferred place for widely known
+ *	  resource-limitation stuff, such as work_mem and check_stack_depth().
  *
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.154 2004/03/23 01:23:48 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.155 2004/03/24 22:40:29 tgl Exp $
  *
  * NOTES
  *	  some of the information in this file should be moved to
@@ -70,7 +71,7 @@ extern volatile bool ImmediateInterruptOK;
 extern volatile uint32 InterruptHoldoffCount;
 extern volatile uint32 CritSectionCount;
 
-/* in postgres.c */
+/* in tcop/postgres.c */
 extern void ProcessInterrupts(void);
 
 #ifndef WIN32
@@ -224,6 +225,10 @@ extern char *UnixSocketDir;
 extern char *ListenAddresses;
 
 
+/* in tcop/postgres.c */
+extern void check_stack_depth(void);
+
+
 /*****************************************************************************
  *	  pdir.h --																 *
  *			POSTGRES directory path definitions.							 *
-- 
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