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| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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 #ifndef BASE_PROCESS_PROCESS_H_ | 5 #ifndef BASE_PROCESS_PROCESS_H_ |
| 6 #define BASE_PROCESS_PROCESS_H_ | 6 #define BASE_PROCESS_PROCESS_H_ |
| 7 | 7 |
| 8 #include "base/base_export.h" | 8 #include "base/base_export.h" |
| 9 #include "base/macros.h" | 9 #include "base/move.h" |
| 10 #include "base/process/process_handle.h" | 10 #include "base/process/process_handle.h" |
| 11 #include "base/time/time.h" | 11 #include "base/time/time.h" |
| 12 #include "build/build_config.h" | 12 #include "build/build_config.h" |
| 13 | 13 |
| 14 #if defined(OS_WIN) | 14 #if defined(OS_WIN) |
| 15 #include "base/win/scoped_handle.h" | 15 #include "base/win/scoped_handle.h" |
| 16 #endif | 16 #endif |
| 17 | 17 |
| 18 namespace base { | 18 namespace base { |
| 19 | 19 |
| 20 // Provides a move-only encapsulation of a process. | 20 // Provides a move-only encapsulation of a process. |
| 21 // | 21 // |
| 22 // This object is not tied to the lifetime of the underlying process: the | 22 // This object is not tied to the lifetime of the underlying process: the |
| 23 // process may be killed and this object may still around, and it will still | 23 // process may be killed and this object may still around, and it will still |
| 24 // claim to be valid. The actual behavior in that case is OS dependent like so: | 24 // claim to be valid. The actual behavior in that case is OS dependent like so: |
| 25 // | 25 // |
| 26 // Windows: The underlying ProcessHandle will be valid after the process dies | 26 // Windows: The underlying ProcessHandle will be valid after the process dies |
| 27 // and can be used to gather some information about that process, but most | 27 // and can be used to gather some information about that process, but most |
| 28 // methods will obviously fail. | 28 // methods will obviously fail. |
| 29 // | 29 // |
| 30 // POSIX: The underlying PorcessHandle is not guaranteed to remain valid after | 30 // POSIX: The underlying PorcessHandle is not guaranteed to remain valid after |
| 31 // the process dies, and it may be reused by the system, which means that it may | 31 // the process dies, and it may be reused by the system, which means that it may |
| 32 // end up pointing to the wrong process. | 32 // end up pointing to the wrong process. |
| 33 class BASE_EXPORT Process { | 33 class BASE_EXPORT Process { |
| 34 MOVE_ONLY_TYPE_FOR_CPP_03(Process) |
| 35 |
| 34 public: | 36 public: |
| 35 explicit Process(ProcessHandle handle = kNullProcessHandle); | 37 explicit Process(ProcessHandle handle = kNullProcessHandle); |
| 36 | 38 |
| 37 Process(Process&& other); | 39 Process(Process&& other); |
| 38 | 40 |
| 39 // The destructor does not terminate the process. | 41 // The destructor does not terminate the process. |
| 40 ~Process(); | 42 ~Process(); |
| 41 | 43 |
| 42 Process& operator=(Process&& other); | 44 Process& operator=(Process&& other); |
| 43 | 45 |
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| 127 ProcessId GetPidInNamespace() const; | 129 ProcessId GetPidInNamespace() const; |
| 128 #endif | 130 #endif |
| 129 | 131 |
| 130 private: | 132 private: |
| 131 #if defined(OS_WIN) | 133 #if defined(OS_WIN) |
| 132 bool is_current_process_; | 134 bool is_current_process_; |
| 133 win::ScopedHandle process_; | 135 win::ScopedHandle process_; |
| 134 #else | 136 #else |
| 135 ProcessHandle process_; | 137 ProcessHandle process_; |
| 136 #endif | 138 #endif |
| 137 | |
| 138 DISALLOW_COPY_AND_ASSIGN(Process); | |
| 139 }; | 139 }; |
| 140 | 140 |
| 141 #if defined(OS_CHROMEOS) | 141 #if defined(OS_CHROMEOS) |
| 142 // Exposed for testing. | 142 // Exposed for testing. |
| 143 // Given the contents of the /proc/<pid>/cgroup file, determine whether the | 143 // Given the contents of the /proc/<pid>/cgroup file, determine whether the |
| 144 // process is backgrounded or not. | 144 // process is backgrounded or not. |
| 145 BASE_EXPORT bool IsProcessBackgroundedCGroup( | 145 BASE_EXPORT bool IsProcessBackgroundedCGroup( |
| 146 const StringPiece& cgroup_contents); | 146 const StringPiece& cgroup_contents); |
| 147 #endif // defined(OS_CHROMEOS) | 147 #endif // defined(OS_CHROMEOS) |
| 148 | 148 |
| 149 } // namespace base | 149 } // namespace base |
| 150 | 150 |
| 151 #endif // BASE_PROCESS_PROCESS_H_ | 151 #endif // BASE_PROCESS_PROCESS_H_ |
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