[PGPRO-6310] make compatible with atomic proc->xmin

Maxim Orlov · Maxim Orlov · commit ad16e8ba26b3 · 2022-05-27T15:03:07.000+03:00
Due to changing PROC-&gt;xmin type to pg_atomic_uint64.
diff --git a/src/dmq.c b/src/dmq.c
@@ -1443,7 +1443,7 @@ dmq_receiver_loop(PG_FUNCTION_ARGS)
 		extra = dmq_receiver_start_hook(sender_name);
 
 	/* do not hold globalxmin. XXX: try to carefully release snaps */
-	MyProc->xmin = InvalidTransactionId;
+	pg_atomic_write_u64(&MyProc->xmin, InvalidTransactionId);
 
 	for (;;)
 	{

Original file line number	Diff line number	Diff line change
`@@ -1443,7 +1443,7 @@ dmq_receiver_loop(PG_FUNCTION_ARGS)`
`1443`	`1443`	`extra = dmq_receiver_start_hook(sender_name);`
`1444`	`1444`
`1445`	`1445`	`/* do not hold globalxmin. XXX: try to carefully release snaps */`
`1446`		`- MyProc->xmin = InvalidTransactionId;`
	`1446`	`+ pg_atomic_write_u64(&MyProc->xmin, InvalidTransactionId);`
`1447`	`1447`
`1448`	`1448`	`for (;;)`
`1449`	`1449`	`{`