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1 // Copyright (c) 2011 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 #include "base/process.h" | |
6 | |
7 #include <sys/types.h> | |
8 #include <sys/time.h> | |
9 #include <sys/resource.h> | |
10 | |
11 #include "base/process_util.h" | |
12 #include "base/logging.h" | |
13 | |
14 namespace base { | |
15 | |
16 // static | |
17 Process Process::Current() { | |
18 return Process(GetCurrentProcessHandle()); | |
19 } | |
20 | |
21 ProcessId Process::pid() const { | |
22 if (process_ == 0) | |
23 return 0; | |
24 | |
25 return GetProcId(process_); | |
26 } | |
27 | |
28 bool Process::is_current() const { | |
29 return process_ == GetCurrentProcessHandle(); | |
30 } | |
31 | |
32 void Process::Close() { | |
33 process_ = 0; | |
34 // if the process wasn't terminated (so we waited) or the state | |
35 // wasn't already collected w/ a wait from process_utils, we're gonna | |
36 // end up w/ a zombie when it does finally exit. | |
37 } | |
38 | |
39 void Process::Terminate(int result_code) { | |
40 // result_code isn't supportable. | |
41 if (!process_) | |
42 return; | |
43 // We don't wait here. It's the responsibility of other code to reap the | |
44 // child. | |
45 KillProcess(process_, result_code, false); | |
46 } | |
47 | |
48 #if !defined(OS_LINUX) | |
49 bool Process::IsProcessBackgrounded() const { | |
50 // See SetProcessBackgrounded(). | |
51 return false; | |
52 } | |
53 | |
54 bool Process::SetProcessBackgrounded(bool value) { | |
55 // POSIX only allows lowering the priority of a process, so if we | |
56 // were to lower it we wouldn't be able to raise it back to its initial | |
57 // priority. | |
58 return false; | |
59 } | |
60 | |
61 // static | |
62 bool Process::CanBackgroundProcesses() { | |
63 return false; | |
64 } | |
65 | |
66 #endif | |
67 | |
68 int Process::GetPriority() const { | |
69 DCHECK(process_); | |
70 return getpriority(PRIO_PROCESS, process_); | |
71 } | |
72 | |
73 } // namspace base | |
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