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Replace max_expr_depth parameter with a max_stack_depth parameter that

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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.
This commit is contained in:
Tom Lane
2004-03-24 22:40:29 +00:00
parent a09b9a36d3
commit 8899a2aba9
13 changed files with 157 additions and 79 deletions
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13
src/include/miscadmin.h
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@ -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. *