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 #include "base/process/kill.h"
6
7 #include "base/bind.h"
8 #include "base/process/process_iterator.h"
9 #include "base/task_scheduler/post_task.h"
10 #include "base/time/time.h"
11
12 namespace base {
13
KillProcesses(const FilePath::StringType & executable_name,int exit_code,const ProcessFilter * filter)14 bool KillProcesses(const FilePath::StringType& executable_name,
15 int exit_code,
16 const ProcessFilter* filter) {
17 bool result = true;
18 NamedProcessIterator iter(executable_name, filter);
19 while (const ProcessEntry* entry = iter.NextProcessEntry()) {
20 Process process = Process::Open(entry->pid());
21 // Sometimes process open fails. This would cause a DCHECK in
22 // process.Terminate(). Maybe the process has killed itself between the
23 // time the process list was enumerated and the time we try to open the
24 // process?
25 if (!process.IsValid()) {
26 result = false;
27 continue;
28 }
29 result &= process.Terminate(exit_code, true);
30 }
31 return result;
32 }
33
34 #if defined(OS_WIN) || defined(OS_FUCHSIA)
35 // Common implementation for platforms under which |process| is a handle to
36 // the process, rather than an identifier that must be "reaped".
EnsureProcessTerminated(Process process)37 void EnsureProcessTerminated(Process process) {
38 DCHECK(!process.is_current());
39
40 if (process.WaitForExitWithTimeout(TimeDelta(), nullptr))
41 return;
42
43 PostDelayedTaskWithTraits(
44 FROM_HERE,
45 {TaskPriority::BACKGROUND, TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN},
46 BindOnce(
47 [](Process process) {
48 if (process.WaitForExitWithTimeout(TimeDelta(), nullptr))
49 return;
50 #if defined(OS_WIN)
51 process.Terminate(win::kProcessKilledExitCode, false);
52 #else
53 process.Terminate(-1, false);
54 #endif
55 },
56 std::move(process)),
57 TimeDelta::FromSeconds(2));
58 }
59 #endif // defined(OS_WIN) || defined(OS_FUCHSIA)
60
61 } // namespace base
62