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Side by Side Diff: base/process/process_handle.h

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 10 months ago
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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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