contrib/amcheck: Add heapam CHECK_FOR_INTERRUPTS().

petergeoghegan · petergeoghegan · commit 191dce109be3 · 2021-08-26T18:42:20.000-07:00
Add a CHECK_FOR_INTERRUPTS() call to make heap relation verification responsive to query cancellations. Author: Mark Dilger <mark.dilger@enterprisedb.com> Discussion: https://postgr.es/m/CAH2-Wzk-9RtQgb2QiuLv8j2O0j9tSFKPmmch5nWSZhguUxvbrw%40mail.gmail.com Backpatch: 14-, where amcheck heap verification was introduced.
diff --git a/contrib/amcheck/verify_heapam.c b/contrib/amcheck/verify_heapam.c
@@ -395,6 +395,8 @@ verify_heapam(PG_FUNCTION_ARGS)
 	{
 		OffsetNumber maxoff;
 
+		CHECK_FOR_INTERRUPTS();
+
 		/* Optionally skip over all-frozen or all-visible blocks */
 		if (skip_option != SKIP_PAGES_NONE)
 		{

Original file line number	Diff line number	Diff line change
`@@ -395,6 +395,8 @@ verify_heapam(PG_FUNCTION_ARGS)`
`395`	`395`	`{`
`396`	`396`	`OffsetNumber maxoff;`
`397`	`397`
	`398`	`+ CHECK_FOR_INTERRUPTS();`
	`399`	`+`
`398`	`400`	`/* Optionally skip over all-frozen or all-visible blocks */`
`399`	`401`	`if (skip_option != SKIP_PAGES_NONE)`
`400`	`402`	`{`