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