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comparison src/fd/proc.cc @ 6:f26b08274dcf

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dep/animone: filter open files by access mode
author Paper <paper@paper.us.eu.org>
date Fri, 12 Apr 2024 19:13:50 -0400
parents a76fa32bdc92
children 27b988a1048c
comparison
equal deleted inserted replaced
5:6d6d2b51517b 6:f26b08274dcf
34 int flags = 0; 34 int flags = 0;
35 for (std::string line; std::getline(file, line);) 35 for (std::string line; std::getline(file, line);)
36 if (line.find("flags:", 0) == 0) 36 if (line.find("flags:", 0) == 0)
37 flags = util::StringToInt(line.substr(line.find_last_not_of("0123456789") + 1)); 37 flags = util::StringToInt(line.substr(line.find_last_not_of("0123456789") + 1));
38 38
39 if (flags & O_WRONLY || flags & O_RDWR) 39 /* check if the file was opened in a write mode */
40 int accflags = flags & O_ACCMODE;
41 if (accflags == O_WRONLY || accflags == O_RDWR)
40 return false; 42 return false;
41 43
42 return true; 44 return true;
43 } 45 }
44 46
63 65
64 static bool IsSystemFile(const std::string& path) { 66 static bool IsSystemFile(const std::string& path) {
65 static constexpr std::array<std::string_view, 9> invalid_paths = {"/boot", "/dev", "/bin", "/usr", "/opt", 67 static constexpr std::array<std::string_view, 9> invalid_paths = {"/boot", "/dev", "/bin", "/usr", "/opt",
66 "/proc", "/var", "/etc", "/dev"}; 68 "/proc", "/var", "/etc", "/dev"};
67 69
68 for (const auto& invalid_path : invalid_paths) { 70 for (const auto& invalid_path : invalid_paths)
69 if (!path.rfind(invalid_path, 0)) { 71 if (!path.rfind(invalid_path, 0))
70 return true; 72 return true;
71 }
72 }
73 73
74 return false; 74 return false;
75 } 75 }
76 76
77 bool GetProcessName(pid_t pid, std::string& result) { 77 bool GetProcessName(pid_t pid, std::string& result) {