1 /*
2 * Copyright (C) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include "memory_guard.h"
16
17 #include "sam_log.h"
18 #include "malloc.h"
19 namespace OHOS {
20 namespace Samgr {
MemoryGuard()21 MemoryGuard::MemoryGuard()
22 {
23 #ifdef CONFIG_USE_JEMALLOC_DFX_INTF
24 int setCache = mallopt(M_SET_THREAD_CACHE, M_THREAD_CACHE_DISABLE);
25 int setFree = mallopt(M_DELAYED_FREE, M_DELAYED_FREE_DISABLE);
26 if (setCache != 1 || setFree != 1) {
27 HILOGE("samgr disable tcache and delay free, result[%{public}d, %{public}d]", setCache, setFree);
28 }
29 #endif
30 }
31
~MemoryGuard()32 MemoryGuard::~MemoryGuard()
33 {
34 #ifdef CONFIG_USE_JEMALLOC_DFX_INTF
35 int err = mallopt(M_FLUSH_THREAD_CACHE, 0);
36 if (err != 1) {
37 HILOGE("samgr flush cache, result: %{public}d", err);
38 }
39 #endif
40 }
41 } // namespace Samgr
42 } // namespace OHOS