patch 4.0

src/pl/ob_pl_package_guard.cpp

@@ -0,0 +1,48 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#define USING_LOG_PREFIX PL
+
+#include "pl/ob_pl_package.h"
+#include "ob_pl_package_guard.h"
+
+namespace oceanbase
+{
+namespace pl
+{
+ObPLPackageGuard::~ObPLPackageGuard()
+{
+  if (map_.created()) {
+    FOREACH(it, map_) {
+      if (OB_ISNULL(it->second)) {
+      } else {
+        it->second->~ObCacheObjGuard();
+      }
+    }
+    map_.destroy();
+  }
+}
+
+int ObPLPackageGuard::init()
+{
+  int ret = OB_SUCCESS;
+  if (OB_FAIL(map_.create(
+        common::hash::cal_next_prime(256),
+        common::ObModIds::OB_HASH_BUCKET,
+        common::ObModIds::OB_HASH_NODE))) {
+    LOG_WARN("failed to create package guard map!", K(ret));
+  }
+  return ret;
+}
+
+} // end namespace pl
+} // end namespace oceanbase