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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 #ifndef BASE_PROCESS_PROCESS_HANDLE_H_ | 5 #ifndef BASE_PROCESS_PROCESS_HANDLE_H_ | 
| 6 #define BASE_PROCESS_PROCESS_HANDLE_H_ | 6 #define BASE_PROCESS_PROCESS_HANDLE_H_ | 
| 7 | 7 | 
| 8 #include <stdint.h> | 8 #include <stdint.h> | 
| 9 #include <sys/types.h> | 9 #include <sys/types.h> | 
| 10 | 10 | 
| 11 #include "base/base_export.h" | 11 #include "base/base_export.h" | 
| 12 #include "base/files/file_path.h" | 12 #include "base/files/file_path.h" | 
| 13 #include "build/build_config.h" | 13 #include "build/build_config.h" | 
| 14 | 14 | 
| 15 #if defined(OS_WIN) | 15 #if defined(OS_WIN) | 
| 16 #include <windows.h> | 16 #include <windows.h> | 
| 17 #endif | 17 #endif | 
| 18 | 18 | 
| 19 namespace base { | 19 namespace base { | 
| 20 | 20 | 
| 21 // ProcessHandle is a platform specific type which represents the underlying OS | 21 // ProcessHandle is a platform specific type which represents the underlying OS | 
| 22 // handle to a process. | 22 // handle to a process. | 
| 23 // ProcessId is a number which identifies the process in the OS. | 23 // ProcessId is a number which identifies the process in the OS. | 
| 24 #if defined(OS_WIN) | 24 #if defined(OS_WIN) | 
| 25 typedef HANDLE ProcessHandle; | 25 typedef HANDLE ProcessHandle; | 
| 26 typedef DWORD ProcessId; | 26 typedef DWORD ProcessId; | 
| 27 typedef HANDLE UserTokenHandle; | 27 typedef HANDLE UserTokenHandle; | 
| 28 const ProcessHandle kNullProcessHandle = NULL; | 28 const ProcessHandle kNullProcessHandle = NULL; | 
| 29 const ProcessId kNullProcessId = 0; | 29 const ProcessId kNullProcessId = 0; | 
| 30 #elif defined(OS_POSIX) | 30 #elif defined(OS_POSIX) || defined(OS_FUCHSIA) | 
| 31 // On POSIX, our ProcessHandle will just be the PID. | 31 // On POSIX, our ProcessHandle will just be the PID. | 
| 32 typedef pid_t ProcessHandle; | 32 typedef pid_t ProcessHandle; | 
| 33 typedef pid_t ProcessId; | 33 typedef pid_t ProcessId; | 
| 34 const ProcessHandle kNullProcessHandle = 0; | 34 const ProcessHandle kNullProcessHandle = 0; | 
| 35 const ProcessId kNullProcessId = 0; | 35 const ProcessId kNullProcessId = 0; | 
| 36 #endif  // defined(OS_WIN) | 36 #endif  // defined(OS_WIN) | 
| 37 | 37 | 
| 38 // Returns the id of the current process. | 38 // Returns the id of the current process. | 
| 39 // Note that on some platforms, this is not guaranteed to be unique across | 39 // Note that on some platforms, this is not guaranteed to be unique across | 
| 40 // processes (use GetUniqueIdForProcess if uniqueness is required). | 40 // processes (use GetUniqueIdForProcess if uniqueness is required). | 
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| 72 BASE_EXPORT ProcessId GetParentProcessId(ProcessHandle process); | 72 BASE_EXPORT ProcessId GetParentProcessId(ProcessHandle process); | 
| 73 | 73 | 
| 74 #if defined(OS_POSIX) | 74 #if defined(OS_POSIX) | 
| 75 // Returns the path to the executable of the given process. | 75 // Returns the path to the executable of the given process. | 
| 76 BASE_EXPORT FilePath GetProcessExecutablePath(ProcessHandle process); | 76 BASE_EXPORT FilePath GetProcessExecutablePath(ProcessHandle process); | 
| 77 #endif | 77 #endif | 
| 78 | 78 | 
| 79 }  // namespace base | 79 }  // namespace base | 
| 80 | 80 | 
| 81 #endif  // BASE_PROCESS_PROCESS_HANDLE_H_ | 81 #endif  // BASE_PROCESS_PROCESS_HANDLE_H_ | 
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