1 /*
2 * Copyright (c) 2023-2025 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 "bundle_memory_guard.h"
17
18 #include "app_log_wrapper.h"
19 #include "malloc.h"
20
21 namespace OHOS {
22 namespace AppExecFwk {
BundleMemoryGuard()23 BundleMemoryGuard::BundleMemoryGuard()
24 {
25 #ifdef CONFIG_USE_JEMALLOC_DFX_INTF
26 // 0 indicates success
27 int32_t ret1 = mallopt(M_SET_THREAD_CACHE, M_THREAD_CACHE_DISABLE);
28 int32_t ret2 = mallopt(M_DELAYED_FREE, M_DELAYED_FREE_DISABLE);
29 APP_LOGD("disable tcache and delay free, result:%{public}d, %{public}d", ret1, ret2);
30 #endif
31 }
32
~BundleMemoryGuard()33 BundleMemoryGuard::~BundleMemoryGuard()
34 {
35 #ifdef CONFIG_USE_JEMALLOC_DFX_INTF
36 int32_t err = mallopt(M_FLUSH_THREAD_CACHE, 0);
37 APP_LOGD("flush cache, result: %{public}d", err);
38 #endif
39 }
40
SetBundleMemoryGuard()41 void BundleMemoryGuard::SetBundleMemoryGuard()
42 {
43 #ifdef CONFIG_USE_JEMALLOC_DFX_INTF
44 // 0 indicates success
45 int32_t thread_cache_ret = mallopt(M_SET_THREAD_CACHE, M_THREAD_CACHE_DISABLE);
46 int32_t delay_free_ret = mallopt(M_DELAYED_FREE, M_DELAYED_FREE_DISABLE);
47 APP_LOGD("disable tcache and delay free, result:%{public}d, %{public}d", thread_cache_ret, delay_free_ret);
48 #endif
49 }
50
ClearBundleMemoryGuard()51 void BundleMemoryGuard::ClearBundleMemoryGuard()
52 {
53 #ifdef CONFIG_USE_JEMALLOC_DFX_INTF
54 int32_t flush_ret = mallopt(M_FLUSH_THREAD_CACHE, 0);
55 APP_LOGD("flush cache, result: %{public}d", flush_ret);
56 #endif
57 }
58 } // AppExecFwk
59 } // OHOS
60