/* * 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 "accesstoken_log.h" #include "malloc.h" namespace OHOS { namespace Security { namespace AccessToken { namespace { #ifdef CONFIG_USE_JEMALLOC_DFX_INTF static constexpr OHOS::HiviewDFX::HiLogLabel LABEL = { LOG_CORE, SECURITY_DOMAIN_ACCESSTOKEN, "MemoryGuard" }; #endif } MemoryGuard::MemoryGuard() { #ifdef CONFIG_USE_JEMALLOC_DFX_INTF int32_t ret1 = mallopt(M_SET_THREAD_CACHE, M_THREAD_CACHE_DISABLE); int32_t ret2 = mallopt(M_DELAYED_FREE, M_DELAYED_FREE_DISABLE); ACCESSTOKEN_LOG_DEBUG(LABEL, "Disable tcache and delay free, result[%{public}d, %{public}d]", ret1, ret2); #endif } MemoryGuard::~MemoryGuard() { #ifdef CONFIG_USE_JEMALLOC_DFX_INTF int32_t err = mallopt(M_FLUSH_THREAD_CACHE, 0); ACCESSTOKEN_LOG_DEBUG(LABEL, "Flush cache, result: %{public}d", err); #endif } } // namespace AccessToken } // namespace Security } // namespace OHOS