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
16 #include "memory_guard.h"
17
18 #include "window_manager_hilog.h"
19 #include "malloc.h"
20 namespace OHOS {
21 namespace Rosen {
22 #ifdef CONFIG_USE_JEMALLOC_DFX_INTF
23 namespace {
24 constexpr HiviewDFX::HiLogLabel LABEL = {LOG_CORE, HILOG_DOMAIN_WINDOW, "MemoryGuard"};
25 }
26 #endif
MemoryGuard()27 MemoryGuard::MemoryGuard()
28 {
29 #ifdef CONFIG_USE_JEMALLOC_DFX_INTF
30 int ret1 = mallopt(M_SET_THREAD_CACHE, M_THREAD_CACHE_DISABLE); // 0 indicates success
31 int ret2 = mallopt(M_DELAYED_FREE, M_DELAYED_FREE_DISABLE);
32 WLOGFD("disable tcache and delay free, result[%{public}d, %{public}d]", ret1, ret2);
33 #endif
34 }
~MemoryGuard()35 MemoryGuard::~MemoryGuard()
36 {
37 #ifdef CONFIG_USE_JEMALLOC_DFX_INTF
38 int err = mallopt(M_FLUSH_THREAD_CACHE, 0);
39 WLOGFD("flush cache, result: %{public}d", err);
40 #endif
41 }
42 } // namespace Rosen
43 } // namespace OHOS