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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef BASE_PROCESS_PROCESS_HANDLE_H_ | |
| 6 #define BASE_PROCESS_PROCESS_HANDLE_H_ | |
| 7 | |
| 8 #include "base/base_export.h" | |
| 9 #include "base/basictypes.h" | |
| 10 #include "base/files/file_path.h" | |
| 11 #include "build/build_config.h" | |
| 12 | |
| 13 #include <sys/types.h> | |
| 14 #if defined(OS_WIN) | |
| 15 #include <windows.h> | |
| 16 #endif | |
| 17 | |
| 18 namespace base { | |
| 19 | |
| 20 // ProcessHandle is a platform specific type which represents the underlying OS | |
| 21 // handle to a process. | |
| 22 // ProcessId is a number which identifies the process in the OS. | |
| 23 #if defined(OS_WIN) | |
| 24 typedef HANDLE ProcessHandle; | |
| 25 typedef DWORD ProcessId; | |
| 26 typedef HANDLE UserTokenHandle; | |
| 27 const ProcessHandle kNullProcessHandle = NULL; | |
| 28 const ProcessId kNullProcessId = 0; | |
| 29 #elif defined(OS_POSIX) | |
| 30 // On POSIX, our ProcessHandle will just be the PID. | |
| 31 typedef pid_t ProcessHandle; | |
| 32 typedef pid_t ProcessId; | |
| 33 const ProcessHandle kNullProcessHandle = 0; | |
| 34 const ProcessId kNullProcessId = 0; | |
| 35 #endif // defined(OS_WIN) | |
| 36 | |
| 37 // Returns the id of the current process. | |
| 38 BASE_EXPORT ProcessId GetCurrentProcId(); | |
| 39 | |
| 40 // Returns the ProcessHandle of the current process. | |
| 41 BASE_EXPORT ProcessHandle GetCurrentProcessHandle(); | |
| 42 | |
| 43 // Returns the unique ID for the specified process. This is functionally the | |
| 44 // same as Windows' GetProcessId(), but works on versions of Windows before | |
| 45 // Win XP SP1 as well. | |
| 46 // DEPRECATED. New code should be using Process::Pid() instead. | |
| 47 BASE_EXPORT ProcessId GetProcId(ProcessHandle process); | |
| 48 | |
| 49 #if defined(OS_POSIX) | |
| 50 // Returns the path to the executable of the given process. | |
| 51 BASE_EXPORT FilePath GetProcessExecutablePath(ProcessHandle process); | |
| 52 | |
| 53 // Returns the ID for the parent of the given process. | |
| 54 BASE_EXPORT ProcessId GetParentProcessId(ProcessHandle process); | |
| 55 #endif | |
| 56 | |
| 57 } // namespace base | |
| 58 | |
| 59 #endif // BASE_PROCESS_PROCESS_HANDLE_H_ | |
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