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Postgres FD Implementation
Commit 6513946c authored by Tom Lane's avatar Tom Lane
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Extend #ifdef CLOBBER_FREED_MEMORY debugging option so that memory 

freed wholesale by AllocSetReset() is overwritten too.
parent 84a89e24
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Showing with 9 additions and 1 deletion
src/backend/utils/mmgr/aset.c
View file @ 6513946c
...@@ -8,7 +8,7 @@ ...@@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/mmgr/aset.c,v 1.24 2000/01/31 04:35:53 tgl Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/aset.c,v 1.25 2000/03/08 23:42:58 tgl Exp $
* *
* NOTE: * NOTE:
* This is a new (Feb. 05, 1999) implementation of the allocation set * This is a new (Feb. 05, 1999) implementation of the allocation set
...@@ -173,6 +173,10 @@ AllocSetReset(AllocSet set) ...@@ -173,6 +173,10 @@ AllocSetReset(AllocSet set)
while (block != NULL) while (block != NULL)
{ {
next = block->next; next = block->next;
#ifdef CLOBBER_FREED_MEMORY
/* Wipe freed memory for debugging purposes */
memset(block, 0x7F, ((char *) block->endptr) - ((char *) block));
#endif
free(block); free(block);
block = next; block = next;
} }
...@@ -419,6 +423,10 @@ AllocSetFree(AllocSet set, AllocPointer pointer) ...@@ -419,6 +423,10 @@ AllocSetFree(AllocSet set, AllocPointer pointer)
set->blocks = block->next; set->blocks = block->next;
else else
prevblock->next = block->next; prevblock->next = block->next;
#ifdef CLOBBER_FREED_MEMORY
/* Wipe freed memory for debugging purposes */
memset(block, 0x7F, ((char *) block->endptr) - ((char *) block));
#endif
free(block); free(block);
} }
else else
......
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