/*

 * Copyright (C) 2023 Huawei Device Co., Ltd.

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#include "memory_guard.h"



#include "window_manager_hilog.h"

#include "malloc.h"

namespace OHOS {

namespace Rosen {

#ifdef CONFIG_USE_JEMALLOC_DFX_INTF

namespace {

constexpr HiviewDFX::HiLogLabel LABEL = {LOG_CORE, HILOG_DOMAIN_WINDOW, "MemoryGuard"};

}

#endif

MemoryGuard::MemoryGuard()

{

#ifdef CONFIG_USE_JEMALLOC_DFX_INTF

    int ret1 = mallopt(M_SET_THREAD_CACHE, M_THREAD_CACHE_DISABLE); // 0 indicates success

    int ret2 = mallopt(M_DELAYED_FREE, M_DELAYED_FREE_DISABLE);

    WLOGFD("disable tcache and delay free, result[%{public}d, %{public}d]", ret1, ret2);

#endif

}

MemoryGuard::~MemoryGuard()

{

#ifdef CONFIG_USE_JEMALLOC_DFX_INTF

    int err = mallopt(M_FLUSH_THREAD_CACHE, 0);

    WLOGFD("flush cache, result: %{public}d", err);

#endif

}

} // namespace Rosen

} // namespace OHOS