From 1b7ba6bded5e3ae1b36d626bd1e52de95733f8b0 Mon Sep 17 00:00:00 2001
From: chenxiaobin19 <1025221611@qq.com>
Date: Thu, 30 Jun 2022 21:57:54 +0800
Subject: [PATCH] fix subscribing subscriber itself could not be cancel

---
 src/gausskernel/storage/replication/libpqwalreceiver.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gausskernel/storage/replication/libpqwalreceiver.cpp b/src/gausskernel/storage/replication/libpqwalreceiver.cpp
index 52a62f621..d4e422d93 100755
--- a/src/gausskernel/storage/replication/libpqwalreceiver.cpp
+++ b/src/gausskernel/storage/replication/libpqwalreceiver.cpp
@@ -1198,6 +1198,8 @@ static PGresult *libpqrcv_PQexec(const char *query)
          * blocking.
          */
         while (PQisBusy(t_thrd.libwalreceiver_cxt.streamConn)) {
+            CHECK_FOR_INTERRUPTS();
+
             /*
              * We don't need to break down the sleep into smaller increments,
              * and check for interrupts after each nap, since we can just