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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This file contains methods to iterate over processes on the system. | 5 // This file contains methods to iterate over processes on the system. |
6 | 6 |
7 #ifndef BASE_PROCESS_PROCESS_ITERATOR_H_ | 7 #ifndef BASE_PROCESS_PROCESS_ITERATOR_H_ |
8 #define BASE_PROCESS_PROCESS_ITERATOR_H_ | 8 #define BASE_PROCESS_PROCESS_ITERATOR_H_ |
9 | 9 |
10 #include <list> | 10 #include <list> |
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29 #endif | 29 #endif |
30 | 30 |
31 namespace base { | 31 namespace base { |
32 | 32 |
33 #if defined(OS_WIN) | 33 #if defined(OS_WIN) |
34 struct ProcessEntry : public PROCESSENTRY32 { | 34 struct ProcessEntry : public PROCESSENTRY32 { |
35 ProcessId pid() const { return th32ProcessID; } | 35 ProcessId pid() const { return th32ProcessID; } |
36 ProcessId parent_pid() const { return th32ParentProcessID; } | 36 ProcessId parent_pid() const { return th32ParentProcessID; } |
37 const wchar_t* exe_file() const { return szExeFile; } | 37 const wchar_t* exe_file() const { return szExeFile; } |
38 }; | 38 }; |
39 | |
40 // Process access masks. These constants provide platform-independent | |
41 // definitions for the standard Windows access masks. | |
42 // See http://msdn.microsoft.com/en-us/library/ms684880(VS.85).aspx for | |
43 // the specific semantics of each mask value. | |
44 const uint32 kProcessAccessTerminate = PROCESS_TERMINATE; | |
45 const uint32 kProcessAccessCreateThread = PROCESS_CREATE_THREAD; | |
46 const uint32 kProcessAccessSetSessionId = PROCESS_SET_SESSIONID; | |
47 const uint32 kProcessAccessVMOperation = PROCESS_VM_OPERATION; | |
48 const uint32 kProcessAccessVMRead = PROCESS_VM_READ; | |
49 const uint32 kProcessAccessVMWrite = PROCESS_VM_WRITE; | |
50 const uint32 kProcessAccessDuplicateHandle = PROCESS_DUP_HANDLE; | |
51 const uint32 kProcessAccessCreateProcess = PROCESS_CREATE_PROCESS; | |
52 const uint32 kProcessAccessSetQuota = PROCESS_SET_QUOTA; | |
53 const uint32 kProcessAccessSetInformation = PROCESS_SET_INFORMATION; | |
54 const uint32 kProcessAccessQueryInformation = PROCESS_QUERY_INFORMATION; | |
55 const uint32 kProcessAccessSuspendResume = PROCESS_SUSPEND_RESUME; | |
56 const uint32 kProcessAccessQueryLimitedInfomation = | |
57 PROCESS_QUERY_LIMITED_INFORMATION; | |
58 const uint32 kProcessAccessWaitForTermination = SYNCHRONIZE; | |
59 #elif defined(OS_POSIX) | 39 #elif defined(OS_POSIX) |
60 struct BASE_EXPORT ProcessEntry { | 40 struct BASE_EXPORT ProcessEntry { |
61 ProcessEntry(); | 41 ProcessEntry(); |
62 ~ProcessEntry(); | 42 ~ProcessEntry(); |
63 | 43 |
64 ProcessId pid() const { return pid_; } | 44 ProcessId pid() const { return pid_; } |
65 ProcessId parent_pid() const { return ppid_; } | 45 ProcessId parent_pid() const { return ppid_; } |
66 ProcessId gid() const { return gid_; } | 46 ProcessId gid() const { return gid_; } |
67 const char* exe_file() const { return exe_file_.c_str(); } | 47 const char* exe_file() const { return exe_file_.c_str(); } |
68 const std::vector<std::string>& cmd_line_args() const { | 48 const std::vector<std::string>& cmd_line_args() const { |
69 return cmd_line_args_; | 49 return cmd_line_args_; |
70 } | 50 } |
71 | 51 |
72 ProcessId pid_; | 52 ProcessId pid_; |
73 ProcessId ppid_; | 53 ProcessId ppid_; |
74 ProcessId gid_; | 54 ProcessId gid_; |
75 std::string exe_file_; | 55 std::string exe_file_; |
76 std::vector<std::string> cmd_line_args_; | 56 std::vector<std::string> cmd_line_args_; |
77 }; | 57 }; |
78 | |
79 // Process access masks. They are not used on Posix because access checking | |
80 // does not happen during handle creation. | |
81 const uint32 kProcessAccessTerminate = 0; | |
82 const uint32 kProcessAccessCreateThread = 0; | |
83 const uint32 kProcessAccessSetSessionId = 0; | |
84 const uint32 kProcessAccessVMOperation = 0; | |
85 const uint32 kProcessAccessVMRead = 0; | |
86 const uint32 kProcessAccessVMWrite = 0; | |
87 const uint32 kProcessAccessDuplicateHandle = 0; | |
88 const uint32 kProcessAccessCreateProcess = 0; | |
89 const uint32 kProcessAccessSetQuota = 0; | |
90 const uint32 kProcessAccessSetInformation = 0; | |
91 const uint32 kProcessAccessQueryInformation = 0; | |
92 const uint32 kProcessAccessSuspendResume = 0; | |
93 const uint32 kProcessAccessQueryLimitedInfomation = 0; | |
94 const uint32 kProcessAccessWaitForTermination = 0; | |
95 #endif // defined(OS_POSIX) | 58 #endif // defined(OS_POSIX) |
96 | 59 |
97 // Used to filter processes by process ID. | 60 // Used to filter processes by process ID. |
98 class ProcessFilter { | 61 class ProcessFilter { |
99 public: | 62 public: |
100 // Returns true to indicate set-inclusion and false otherwise. This method | 63 // Returns true to indicate set-inclusion and false otherwise. This method |
101 // should not have side-effects and should be idempotent. | 64 // should not have side-effects and should be idempotent. |
102 virtual bool Includes(const ProcessEntry& entry) const = 0; | 65 virtual bool Includes(const ProcessEntry& entry) const = 0; |
103 | 66 |
104 protected: | 67 protected: |
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176 | 139 |
177 // Returns the number of processes on the machine that are running from the | 140 // Returns the number of processes on the machine that are running from the |
178 // given executable name. If filter is non-null, then only processes selected | 141 // given executable name. If filter is non-null, then only processes selected |
179 // by the filter will be counted. | 142 // by the filter will be counted. |
180 BASE_EXPORT int GetProcessCount(const FilePath::StringType& executable_name, | 143 BASE_EXPORT int GetProcessCount(const FilePath::StringType& executable_name, |
181 const ProcessFilter* filter); | 144 const ProcessFilter* filter); |
182 | 145 |
183 } // namespace base | 146 } // namespace base |
184 | 147 |
185 #endif // BASE_PROCESS_PROCESS_ITERATOR_H_ | 148 #endif // BASE_PROCESS_PROCESS_ITERATOR_H_ |
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