1 /*
2  * Copyright (c) 2021-2024 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 #ifndef DFX_UTIL_H
17 #define DFX_UTIL_H
18 
19 #include <csignal>
20 #include <cstdio>
21 #include <fcntl.h>
22 #include <memory>
23 #include <string>
24 #include <sstream>
25 #include <sys/stat.h>
26 #include <unistd.h>
27 #include <vector>
28 #include "dfx_define.h"
29 
30 namespace OHOS {
31 namespace HiviewDFX {
32 #ifndef is_host
33 AT_SYMBOL_HIDDEN bool TrimAndDupStr(const std::string &source, std::string &str);
34 AT_SYMBOL_HIDDEN uint64_t GetTimeMilliSeconds(void);
35 AT_SYMBOL_HIDDEN uint64_t GetAbsTimeMilliSeconds(void);
36 AT_SYMBOL_DEFAULT std::string GetCurrentTimeStr(uint64_t current = 0);
37 AT_SYMBOL_HIDDEN bool ReadDirFiles(const std::string& path, std::vector<std::string>& files);
38 AT_SYMBOL_HIDDEN bool VerifyFilePath(const std::string& filePath, const std::vector<const std::string>& validPaths);
39 AT_SYMBOL_HIDDEN void ParseSiValue(siginfo_t& si, uint64_t& endTime, int& tid);
40 #endif
41 AT_SYMBOL_HIDDEN off_t GetFileSize(const int& fd);
42 AT_SYMBOL_HIDDEN bool ReadFdToString(int fd, std::string& content);
43 } // nameapace HiviewDFX
44 } // nameapace OHOS
45 
46 // this will also used for libunwinder head (out of namespace)
47 #if defined(is_mingw) && is_mingw
48 #ifndef MMAP_FAILED
49 #define MMAP_FAILED reinterpret_cast<void *>(-1)
50 #endif
51 void *mmap(void *addr, size_t length, int prot, int flags, int fd, size_t offset);
52 int munmap(void *addr, size_t);
53 #endif
54 #endif
55