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Disable elog(ERROR|FATAL) in signal handlers in

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critical sections of code.
This commit is contained in:
Vadim B. Mikheev
2000-12-03 10:27:29 +00:00
parent 5e3bc5ebcd
commit 65b362fae1
12 changed files with 94 additions and 29 deletions
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4
src/backend/commands/sequence.c
View File

@@ -295,6 +295,7 @@ nextval(PG_FUNCTION_ARGS)
elm->last = result; /* last returned number */
elm->cached = last; /* last fetched number */
START_CRIT_CODE;
if (logit)
{
xl_seq_rec xlrec;
@@ -318,6 +319,7 @@ nextval(PG_FUNCTION_ARGS)
Assert(log >= 0);
seq->log_cnt = log; /* how much is logged */
seq->is_called = 't';
END_CRIT_CODE;
LockBuffer(buf, BUFFER_LOCK_UNLOCK);
@@ -386,6 +388,7 @@ do_setval(char *seqname, int32 next, bool iscalled)
elm->cached = next; /* last cached number */
/* save info in sequence relation */
START_CRIT_CODE;
seq->last_value = next; /* last fetched number */
seq->is_called = iscalled ? 't' : 'f';
seq->log_cnt = (iscalled) ? 0 : 1;
@@ -403,6 +406,7 @@ do_setval(char *seqname, int32 next, bool iscalled)
PageSetLSN(BufferGetPage(buf), recptr);
PageSetSUI(BufferGetPage(buf), ThisStartUpID);
}
END_CRIT_CODE;
LockBuffer(buf, BUFFER_LOCK_UNLOCK);

10
src/backend/commands/vacuum.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.175 2000/12/02 19:38:34 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.176 2000/12/03 10:27:27 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1418,6 +1418,7 @@ repair_frag(VRelStats *vacrelstats, Relation onerel,
Cpage = BufferGetPage(Cbuf);
/* NO ELOG(ERROR) TILL CHANGES ARE LOGGED */
START_CRIT_CODE;
Citemid = PageGetItemId(Cpage,
ItemPointerGetOffsetNumber(&(tuple.t_self)));
@@ -1501,6 +1502,7 @@ repair_frag(VRelStats *vacrelstats, Relation onerel,
PageSetLSN(ToPage, recptr);
PageSetSUI(ToPage, ThisStartUpID);
}
END_CRIT_CODE;
if (((int) destvacpage->blkno) > last_move_dest_block)
last_move_dest_block = destvacpage->blkno;
@@ -1624,12 +1626,15 @@ repair_frag(VRelStats *vacrelstats, Relation onerel,
~(HEAP_XMIN_COMMITTED | HEAP_XMIN_INVALID | HEAP_MOVED_OFF);
newtup.t_data->t_infomask |= HEAP_MOVED_IN;
/* NO ELOG(ERROR) TILL CHANGES ARE LOGGED */
START_CRIT_CODE;
/* add tuple to the page */
newoff = PageAddItem(ToPage, (Item) newtup.t_data, tuple_len,
InvalidOffsetNumber, LP_USED);
if (newoff == InvalidOffsetNumber)
{
elog(ERROR, "\
elog(STOP, "\
failed to add item with len = %lu to page %u (free space %lu, nusd %u, noff %u)",
(unsigned long)tuple_len, cur_page->blkno, (unsigned long)cur_page->free,
cur_page->offsets_used, cur_page->offsets_free);
@@ -1659,6 +1664,7 @@ failed to add item with len = %lu to page %u (free space %lu, nusd %u, noff %u)"
PageSetLSN(ToPage, recptr);
PageSetSUI(ToPage, ThisStartUpID);
}
END_CRIT_CODE;
cur_page->offsets_used++;
num_moved++;