1 /*
2  * Copyright (c) 2024 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 
17 #include "ash_memory_utils.h"
18 
19 #include <string>
20 
21 #include "hiview_logger.h"
22 #include "string_ex.h"
23 #include "string_util.h"
24 
25 namespace OHOS {
26 namespace HiviewDFX {
27 namespace {
28 DEFINE_LOG_TAG("ashMemUtils");
29 }
30 
GetAshmem(const std::string & ashName,const uint32_t ashSize)31 sptr<Ashmem> AshMemoryUtils::GetAshmem(const std::string& ashName, const uint32_t ashSize)
32 {
33     if (ashSize <= 0) {
34         HIVIEW_LOGE("param invalid.");
35         return nullptr;
36     }
37     auto ashmem = Ashmem::CreateAshmem(ashName.c_str(), ashSize);
38     if (ashmem == nullptr) {
39         HIVIEW_LOGE("ashmem init failed.");
40         return ashmem;
41     }
42     if (!ashmem->MapReadAndWriteAshmem()) {
43         HIVIEW_LOGE("ashmem map failed.");
44         return nullptr;
45     }
46     HIVIEW_LOGI("ashmem init succeed.");
47     return ashmem;
48 }
49 } // namespace HiviewDFX
50 } // namespace OHOS
51