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From: Dan McGuirk <mcguirk@indirect.com>

Browse Source 
Subject: [HACKERS] linux/alpha patches

These patches lay the groundwork for a Linux/Alpha port.  The port doesn't
actually work unless you tweak the linker to put all the pointers in the
first 32 bits of the address space, but it's at least a start.  It
implements the test-and-set instruction in Alpha assembly, and also fixes
a lot of pointer-to-integer conversions, which is probably good anyway.
This commit is contained in:
Marc G. Fournier
1997-03-12 21:13:19 +00:00
parent b66569e41f
commit 5dde558ce6
13 changed files with 123 additions and 43 deletions
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7
src/backend/storage/page/bufpage.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/page/bufpage.c,v 1.5 1996/11/24 04:41:29 bryanh Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/page/bufpage.c,v 1.6 1997/03/12 21:07:11 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
@@ -512,12 +512,13 @@ PageIndexTupleDeleteAdjustLinePointers(PageHeader phdr,
Size size)
{
int i;
unsigned offset;
/* location is an index into the page... */
location -= (int) phdr;
offset = (unsigned)(location - (char *)phdr);
for (i = PageGetMaxOffsetNumber((Page) phdr) - 1; i >= 0; i--) {
if (phdr->pd_linp[i].lp_off <= (unsigned) location) {
if (phdr->pd_linp[i].lp_off <= offset) {
phdr->pd_linp[i].lp_off += size;
}
}